House Extension (Single Storey) - Do you need Planning Permission? UK Permitted Development
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- čas přidán 26. 06. 2024
- This video guide explains how single storey extensions can be constructed under Permitted Development (PD) rights in England and Wales, without the need for planning permission.
00:00 - Intro
0:53 - Porches
1:21 - Small Rear Extensions
2:52 - Large Rear Extensions
3:57 - Side Extensions
4:42 - Wraparound Extensions
5:30 - Properties without PD Rights
6:44 - Disclaimer and Other Considerations
7:10 - Certificate of Lawfulness
/ the-architect-11411514...
Much better explanation than any council websites I've seen trying to explain what you can do. Great stuff.
One of the better videos I've seen on the subject. The 3D model was great.
Glad you liked it!
Planning permission is simple if your family member or friend is a mason or councilor.
😂
That would indicate that the council are corrupt and we ALL know the council are legal, above board and do everything by the book; just like the police and politicians
That's very cynical 😂
@@TheArchitectCZcams I spent 7 year's working for the corrupt, no very corrupt Caerphilly borough council for my sins 🙈. People on the outside know it's going on but to see how absolutely corrupt a council is from the inside 🤯🤯🤯🤯. Vile masonic scum sorry to be so blunt 🙏🏻, one rule for them and their family, another for the poor hardworking man/woman who just want to improve their living quality and have a better life. All councils like goverment are sickeningly corrupt. Love, peace and good energy my friend ❤️🙏🏻
Never had a free mason put in a good word, but had many neighbours who were councillors make it their mission in life to refuse planning
As someone who does drain surveys pre extensions, I get asked these questions so often. Nice to finally have a video to send them.
Glad it was helpful!
At last someone put a video on youtube that makes sense, l will never need it but Thanks.
Your way of explaining is perfect. thank you
Excellent video Simon, very clear and helpful. I do hope you come back and make some more explanations of various aspects of planning.
Great video! A very helpful summary of the basics to share with clients.
Really enjoyed this, format, music and likeable delivery.
Thanks for sharing it helps to serve my clients better
Good stuff, as a I am starting as enforcement officer this really helped me
Best explained that even my mind took it in👍
Ur words are very every to understand for ppl like me who have little knowledge
Very detailed & useful info ! Thank you very much & Much gratitude!😊🙏
Very clear explanation.
Such a good video! Thank you.
Hi, yes agree with some of the comments Re: terraced house with a back outrigger. Wd love to see what can b done. Look forward to your video soon...thx
The content was very useful indeed.
What an excellent video.
Very well explained and the graphics were a big help
glad to hear it 👍
Thank You. Very Helpful.
Thank you for this video
Very clear information 👌
Well explained, that was very helpful¡
Great video - thanks!
Why dont you have more subs and views amazing vid.
Nice video,thanks
Interesting video. Planning Permission - when do you need it; and when is something Permitted Development? These can be quite complex questions and the answers to them depend on various matters such as if your property is a house, a detached house, a semi-detached house, a flat, if you are on a corner plot, if your property has been previously altered, is it a Listed Building, are you in a Conservation Area, have Permitted Development rights been removed from your property. You should always contact your local Council Planning team before you do anything as they will be able to advise on the specifics as they relate to your property. They may have a pre-application advice service, or PD enquiry process. Building Warrant is a separate process, and again you should contact your Buildiing Control / Building Standards officers in your local Council. What this video relates to is how the legislation applies in England and Wales. The legislation in Scotland is different, so anything referred to in the video does not apply!
Great video. A heads up on your side extension with the duel pitched roof. It’s above 3m at the ridge which is still within 2m of the boundary so that wouldn’t be accepted under PD.
Thanks for this!
Good information thank you
Thanks very much, great vid and very informative. Thinking of a single storey extension and looks like it'll be all doable under PD 👍👍
That's great. remember that the certificate of lawfulness can confirm this and give you extra piece of mind.
Great vid. Thank you. Subscribed
Awesome, thank you!
Very helpful
Really good guide
Thank you 👍
Good info and well presented thanks
Glad it was helpful!
yes thanks
Thank you
Good video, I would have been pleased if you included terraced houses with a shared alley way between them, with a side return extension...
Clear, concise, devoid of bullshit. Top vid 😊
Ive never had planning permission. I never comply with council planning. Simple. You dont need planning for extentions antennas etc. 👍
Fantastic thanks you
Great and informative wondered if you could do a similar one with ref fence to outbuildings like summer houses etc
Hi there, please see my latest video for this!
Great video advice. Please make more videos!!
Great if could do similar for terraced property L shaped extensions eg London boros . Also for A2 Direction. Many thanks for your clear explanations and efforts so far - very helpful. All councils could do similar….
Great video could you perhaps do a video on detached garages as in rights to build and rights to extend not only out but up as well ?
Great suggestion!
Thank you😊👍
You're welcome 😊
Useful video.
I definitely agree with "seek expert advice" when dealing with anything that is in the many grey areas of PD rights.
However, don't necessarily assume advice given by the local authority's own planning dept. is 'expert'!
I wanted to have an old (pre-1948) single skin, no damp course, rear lean to extension demolished & rebuilt, maintaining the rear elevation, but extending it to the side of the property (less than 30% increase in total width of the property)
Despite numerous builders saying planning wouldn't be required, I opted to pay the local council's planning dept. to evaluate whether the proposed plans fell within PD. (Called a "Pre-Application Enquiry")
They were initially unsure, but after referring to a senior advisor, concluded it would be PD-compliant. I did not however follow through with the additional fees for a certificate of lawfulness.
Fast forward 3 years, extension has been up 2 years, and a different planning enforcement officer has investigated the development, deemed it not to be compliant, and declared the prior advice to be incorrect.
Thankfully the officer also deemed it not to be expedient to pursue an enforcement action against me; probably because it would bring to light their own depts. incompetence.
It's also not completely clear to me whether this second evaluation is any more correct than the 1st.
I believe:
- 'demolition' of a building is automatically not PD. HOWEVER...
- removing a portion of the 'original house' (existed pre-1948) is not 'demolition', it's an 'alteration'
Does an 'alteration' of an existing (pre-1948) extension, down to ground level, fresh footings etc, invalidate the original bounds for the purposes of PD? (and thus preclude the rebuild from extending the property sideways?)
It sounds like you have been treated quite harshly there from your description. Demolition of PART of a building is as you say an alteration, whereas total demolition and rebuild would not be. Both would probably be classed as development but the definition of what constitutes 'development' is a much debated legal argument.
The 'original house 'as of 1948 is still the 'original house' against which PD is measured, even if parts of it have been altered or removed since. You would then obviously need to rely on documentary evidence of what was there previously. What made the second planning officer deem the extension as non-PD?
@@TheArchitectCZcams
The Planning Officer doesn't quote any particular PD rule, guidance, or case law upon which his determination is based.
Here's a direct quote of the relevant section from the correspondence I received:
"I am aware that under the Pre-Application Enquiry XX/2019/XXXX you were advised by one of the Planning Officer’s from the department that the part of the extension which fell on the same footprint of the former extension to the rear would still constitute part of the original dwellinghouse as it was present prior to 1948. Therefore, you were advised only the 1.38 meters that extends beyond the side elevation of the dwellinghouse would constitute new development and as this part of the extension does not amount to half the width of the original dwellinghouse the current extension would not require planning permission. However, in my opinion this advice is incorrect, at the point the old extension was demolished, anything built after this point would constitute new development and would consequently have to satisfy the current Regulations once again. I can advise that my Senior Officer has reaffirmed my conclusion on this account."
I'm unsure where it goes from here.
As the planning office doesn't intend to pursue enforcement action, what's the next step?
Do I just wait for the 4 year rule to gain immunity from action?
Do I need to argue my case to try to get them to concede that it is legal development? Is there a formal process for disputing a PO's determination?
If successful, I guess it'd then be wise to apply for a certificate of lawfulness to prevent any future issues?
If unsuccessful, is it remedial work? (no chance!), retrospective planning application? (expensive!), or leave it as unauthorized? (negatively impact the property value?)
Thanks for your response btw; wasn't expecting it!
My initial post was really just a venting of my frustrations with the process as I'd experienced it =D
To me it looks more than fair.
Here in Australia we can't do anything apart from a very small shed without approval .
I’d love to know how whoever got planning permission for my house got it. I’m looking at the first few minutes and thinking no, wrong and hmmm maybe.
For a start a porch extension 3.5 metres forwards
But the kicker is a rear single storey extension double pitched roof on the neighbours side of our semi which runs the full width of the house all the way to about 30cm from garages at the bottom of the garden, a full 5.25 metres wide by 17.5 metres long. It’s the reason we bought the house and the reason I clicked on this video.
Great video. If the extension is on the rear of a semi-detached house, the eaves cannot be more than 3 meters because of the boundary. However could you have a 4 meter high wall on the boundary with the roof sloping away from the boundary reducing to 3meters eaves at the opposite side approximately 3 meters away?
Yes it's good info!
And easy to understand especially when you use a 3d model. However you may have forgotten if the house is a corner House building side extension does need the other side of the road neighbor permeation ?
Also have you thought about making videos talking about fully wood build extensions ?
Thanks for your time.
Ali
Thanks for watching. Yes on a corner plot, the side would also be classed as a 'principal elevation' as well as the front. In terms of timber frame, the same principles apply for planning. I will be producing more technical videos soon!
Really helpful, we have an integral garage (new build , master bedroom above) we would like to utilise that garage space. I'm not asking for advise here, merely helping you produce a list of video content on which to build (pun) your you tube channel. (in time we might benefit) On this video, The 3d graphics make it easy to digest, great work, thanks for making and sharing.
useful, thank you. Check your house deeds and planning permission given to the developers. On many new-build estates garage conversions are specifically not allowed as the garages formed part of the initial parking strategy.
@@TheArchitectCZcamswhat are the standard rules regarding extending above an attached garage?
Great video, I was wondering how this applies to a victorian terrace house. I am thinking specifically about the wrapperround (ie. 1.2m side return combined with 3m extension into the garden).
In a mid-terrace, the extension you are referring to would solely be a 'rear' extension, so none of the 'side' extension rules would apply. If you have a stepped rear elevation, the limits apply to each of the sections of the rear elevation individually. For example you could extend into the side return 3m/6m from the (main) rear wall of the house, regardless of what you are adding to the end of the outrigger.
Sounds like a video on this house-type would be useful!
Planning permission is very ease if you who and how to approach in council. Everything works under the grey area.
That's very cynical! 😂
very useful information regarding for larger extension would the application fall under 'Prior Approval: Larger home extension'
Great video! Can add on to a wrap around? Extend further into the garden or would I have to check PD?
I presume you had permission for the original wraparound extension. Yes, you can still extend up to your PD limit
Thank you - this was really helpful. Please could you cover terraced houses in a future video? .
No problem. PD rules for terraced houses are similar to those of semi-detached properties though.
Hi this is an amazing video and answered tons of questions I had. I'm looking at having a single story side extension with duel pitched roof built on our house, my final question is there any rules about how close I can go to the boundary to the neighbours house? we only have around 7ft wide space so want to maximize the room I have
no, you can go right up to your neighbours house under the Party Wall Act, but be aware that attaching your properties may affect your house values and marketability in the future.
This is such a helpful video! I do have a question on the 3m eaves height though...the house we are buying is an Edwardian terrace and we'd like to do a side return extension, however the house is about 4 steep steps up from the back yard's ground level. So does the 3m height rule go from the floor level of the house or ground level of the outside space? Thank you :)
Hi there usually the heights are measured against external ground level.
In the UK, havering area, the larger homes extension guide says that we cannot have a rear extension more than half the width of the original house under permitted development. Can someone confirm this for me please? Does this mean that we can extend the full width of the house under planning permission? What about the full width of the garden, including the garage?
You should always apply to the LPA for a Certificate of Lawfulness before embarking on any project, to cover yourself
You don't have to, but it will give you piece of mind and will make the sale of your property much more robust.
Great video and I sent it to a few of my colleagues, as we get this question regularly. It is worth getting the Lawful Development Certificate before the work is started or at least on completion, as it will always sought by the solicitor on sale of the house whereupon it could take weeks or months to obtain delaying the sale. If I missed it, did you say these only apply to properties with no existing extensions?
Thanks for sharing!
Hi
Hope you are doing well.
I am looking to build rear extension, well wrap around rear + side part single part double , for what i have gathered info on line, the 45% angel for ground floor is basically not letting me have square rear ground floor extension to the depth i want 6meters.
If my neighbors object, I'm sure they will knowing them , although their pergola and fence and hedging is basically covering the sides but they will object so basically the question is how can i go about being able to build up to 6mter ground floor rear extension which by rule will effect the 45% angel.
I appreciate your advice in advance.
great informative video , do you have a video on garden annexe's , as an additional dwelling for a family member ?
Yes, take a look at my channel 👍
Hi!
The semi detached house is the same as mine. Question: can you please confirm then if building on top of an existing garage allowing for more rooms within the semi detached property?
Hi there, thanks for this video. I liked and subscribed. What happens with the 3 meter height rule when there is a ground level difference between the two properties? So lets say what would be 3m on the extension side is 3.7meter on the neighbours side? How does such a ground level difference work out under the permitted developments rule?
Also, can the extension be built right up on the neighbouring fence by partially replacing the fence itself with the walls of the extension? (The fence is owned by the extending property. Semi detached) Many thanks in advance.
Hi there - thanks for the support! Reference is made within the technical guidance about 'the original ground level' but this can be hard to establish, and hence it is a good idea to obtain the certificate of lawfulness or planning permission. I'd say that if the step down in height was on the boundary (i.e. the fence has retaining gravel-boards or is on top of a retaining wall), a 3m extension on your side which is 3.7m on their side, would not be compliant - the 3.7m height facing them may be judged to cause an amenity issue. The extension can be built up to the boundary under the party wall act provisions, but any encroachment (e.g. gutters, overhangs or even footings) could legally be cut back by the neighbour in the future.
is the 3m height from the ground ?. my property is on a slight slope so if you extend the floor level of the house out to the extension i will already be 1.5 metres above the ground. That would mean from the floor to the roof would only be 1.5m, not tall enough to stand up in
Can anyone advise me if a lean to roof can be up to 4m at the highest point on a terraced house?thank you
Let me tell you exactly how permitted development works. The government implemented it to free up red tape and the involvement of local councils. The local councils then took it and put their own various limitations and conditions on it to such an extreme that you really have no choice but to apply for planning permission.
Bungalow side extensions
Great video. i found it very useful. Can you answer a question for me? Can a neighbour build directly on to a boundary wall i.e the roof of an extension sits on the boundary wall with the guttering hanging over the boundary wall into the neighering property. thanks
They are entitle to use the wall and build up to it, but the neighbour would have the right to cut off any overhanging feature.
Thanks for providing such a clear video in PD, I have just one question, I have a detached property and intend to build a single storey extension to the rear. It falls within the pd format but I would like to make it 6m from the rear of my property, I am struggling to find out how to submit a prior t notification to cover this. Do you have any advice on this please?
You can register on the Planning Portal to submit an application online to your Local Planning Authority. If you are confident it is PD then a 'Certificate of Lawful Development for a proposed use' is what you should submit. You can select the application type from the drop down list.
Curious but if your downhill, does the 3m rule apply?
I'm confused as I look at a lot of extensions and conservatories about and they definitely don't have 7 metres from the back fence.
What about if you are knocking down an ol extension and putting up a new one basically the same size. Is planning required?
One caveat! Local councils in the UK often have a 45° policy stating a rear projection cannot go taller or longer than a line drawn from the centre* of the neighbours closest window to a habitable room such as a living room. This can be appealed against, but it's not just loss of light, it also considers "residential visual amenity", and if the neighbour thinks it's "overbearing" that can be enough to make your appeal unsuccessful.
This isn't in The Town and County Planning documentation so it's very easy to get caught out by it! Especially since there appears to be no objective metric for acceptability. You could get blocked from building something 3.3m projection, that protrudes over the top of the fence by 0.1m down the length, but simultaneously legally be allowed to build out to 3m projection with a height that protrudes 1.6m above the fence line. The rejected 3.3m projection increases obstruction by 0.33m², whilst the PD option is 1.6m².
Logic, reasoning, metrics, and rational don't have influence on the decision. If the neighbour doesn't like it then that's enough depending upon the disposition of the LPA and potentially Planning Inspectorate.
*for patio doors it's sometimes a set height above floor height.
Yes, this is a 'rule of thumb' used by Local Authorities to avoid right of light disputes. Right of light however is a civil matter not planning law.
@@TheArchitectCZcams This is what I thought. However after getting a right of light assessment that came back with insignificant effect on light, the council have stated that it also covers "residential visual amenity" and can be used to avoid a development being "overbearing".
However, there is apparently no objective measurement or test for if something is overbearing.
A residential visual amenity assessment specialist has confirmed that it's basically a matter of opinion and saying you feel it is overbearing can be enough, and there's no measurement that can be done to objectively prove it isn't.
You mention that you can have a flat roof. Is this subject to materials used in original house or is a flat roof acceptable?
This is excellent.
About PD for commercial to residential, does this apply to properties located in Wales?
Yes, planning legislation is the same for England and Wales.
I currently have a conservatory that i want to convert into brick with a solid roof is this possible without planning?
Really helpful video. Could a new single storey extension be attached to a neighbours extension if they're in agreement and or would party wall act prevent this? Its a semi detached house. Thanks again
It can be attached under the rights afforded to you in the Party wall Act, if their wall is on the boundary. You may have to pay a charge for the benefit though!
Hi, in the video you say a terraced property can only extend 3m out, could you please clarify if this has been changed to 6m? And if this will come under PD?
Example: wd it be possible to have a 3 metre ground floor back extension to a terraced house but also above it on the 1st floor.. How deep can it be..?
Hi thanks for the video. If a property has a existing garage to thr side of the house.would I be able to build a full back single storey extension by 4 metres for a detached house? Or would this be classified as a wrap around as the existing garage also 4m back from the back of the house? Thanks I have liked and subbed
I have a similar situation. I'm detached with a drive to the side of the property and a garage behind that, around 1m behind the line of the house's rear wall. I would love to add an extention to the rear of my property which joins to the side of the garage. Not sure if this qualififies as a wraparound. I doubt it does as the garage is an existing building but I'd love to be sure.
This is great advice thankyou. Just a quick one you say the max size for pd is 3m is that square? as im thinking of doing a 3m length x5m width on a mid terrace it would be over 1 meter from boundaries' and existing conservatory is 3x3m at the moment. Any advice would be great.
No, it's 3m from the back of the house. The width can vary.
Do you need planning permission for semi detached bungalow? Is it similar to single storey building?
Hi
Do I need planning permission to make my bathroom and kitchen in to one big kitchen as the one roof is tiled and the the other is flat I want to just want to replace with fibre glass roof
Regards anil
Thank you for your video. Can I ask a question regarding shed/work-shed builds please. I have a detached house in the country. My garden is about 1 acre in size. I have no immediate neighbours having open fields around. I am able to build away from any of my boundaries and the workshop would be visible to no one. I will not be used for residential purposes. Storage and recreational use only. What is the max size shed I would be permitted given the space available, and no impact experienced by anyone. Many thanks.
Hi there. Ys, you should be able to construct an outbuilding subject to certain rules about its height etc. Its the subject of my next video coming in the next week so stay tuned
Thanks! Great video :)
If 4.8m of an allowed 6 have already been used how likely would it be to get an additional 3.5m lean to conservatory approved (very long garden out back and would be around40% of the plot built on if done)
Thanks for the comment. Probably non-contentious if as you describe, but not under PD - planning permission would be required.
Great video! we have a big long garden and just wondering if is possible to obtain planning permission to build beyond the 6m semi or terraced while all other rules comply? how likely is that? Or are there any exceptions cases? Thanks!
Yes, perfectly possible to gain permission for larger extensions on big plots, but it then becomes mostly about the effects on your neighbours (their 'amenity').
I'm confused as to what is permitted if you own a corner plot that borders front and side roads. There are no videos that I can find covering this. Can you help? If I wanted to build a single story side extension the same depth as original house but no more than 50% of original width would this be allowed ? Not in any conservation area etc.
It is possible to have 2 'principal elevations' if on a corner plot. I would try and seek a written agreement about what they consider to be the principal elevation(s) and then make sure you obtain a 'Certificate of Lawfulness for a Proposed Development' from the Local Authority to be sure.
Hi, our rear extension is 4m from the rear of the original building. Our neighbour (who is a landlord) has put in an application for a 6m full width rear extension (which I think is approx 50% of the rear garden) - I think this is too big and overbearing, especially as we are a terrace block of houses and the gardens are of moderate size.
I have received the consultation notice from the council and we plan to object to a 6m extension (as is the neighbour on the other side), but what are the best arguments of objection?
I will need to work our if their 6m extension leaves at least 7m from their rear garden fence (I didn't realise that was a thing), so I could argue that.
Also our extension was 1ft within the boundary line with the neighbour who wants the extension. We have the soil waste pipe that exits the side of the extension and runs along the 1ft gap and connects to the manhole drain (all within our boundary and was signed off by building control), and there is the exit of the toilet extractor fan on that same wall. If the neighbour's extension is built upto the planned boundary line, we won't have access to clear up this small area and we won't be able to repair and maintain (or even replace if in an emergency) this soil pipe as it will be impossible to access as the gap will be too small to fit through, . Can we demand that they build 1ft within their boundary line?
Thanks
....?
I've not read all comments so I don't know if this has been mentioned. But... do you know why you can extend on the side / extend to the rear / the side can go past the rear elevation BUT you cannot extend on the rear AND go past the gable elevation under PD? There is overlap contradiction for me. Thank you for the video 👍
I'm not sure why it is the case but this scenario is covered on p26 of the technical guidance, which you may find useful: assets.publishing.service.gov.uk/media/5d77afc8e5274a27cdb2c9e9/190910_Tech_Guide_for_publishing.pdf
If the front of a house already has a bay window. Can you add/build block work underneath it aligned with bay window frame?
Although it seems very minor the addition of masonry probably would technically result in a 'material alteration' to the external appearance of the building. The argument is really then about where the principal elevation sits and you would probably say that the bay currently sits in front of the principal elevation. In that case it fails the test for PD extensions and also for PD porches as it does not contain an entrance door. It's not likely to be contentious so my advice would just be to apply for permission.
what if you have a side extension and a rear extension but without the corner piece that would otherwise characterise the extension as a "wrap around" could you build both wait a year or two and then build the corner to complete it as a "wrap around" comprising of 3 extensions and separate works
Hi. The side and rear extensions would be PD but not the infill. Check out the 'householder technical guidance' which goes into some detail on this exact situation.
Hi there, thanks for the video. I am still struggling to find an answer about whether I need prior approval or planning. My 1930s semi currently has a long (6m) and narrow (2.5m) extension. I am looking at reducing the length to 4m but increasing width to 5m inline with the house. Can this be done under PD or is the maximum still 3m from original house? One neighbour has 6m extension and the other (the one I am attached to) has a 3m extension. Thanks in advance
It really depends on the age of the extension whether it can be classed as part of the 'original house' - was it built before or after 1948? If after then it sounds like you would need to go down the neighbour consultation route.
This is amazing but I’m a bit confused. I used a planing permission to build an extension of 7m long x 4m wide, so the question is: Can I use my PD right to extend an extra 4x4 with the same height of 3 meters? Thanks.
Hi there. no, the first extension will have used up your PD rights so that any extra needs planning permission. PD rights do not 'reset'.
Thank you, well explained. Would such a “permitted development” require a building warrant?
There is no such thing as a building warrant in the U.K. Are you referring to the building regulations?
@@stevena9305 thanks for the quick response. We are in The Orkney Isles. When we built our new house, the warrant officer became very vitriolic, demanding that we pay a higher Building Warrant charge because he deemed our shed to be a garage, even though it would be impossible to get a car in it. I think that part of his problem was that he hated the idea of us building our house off grid. We are fully off grid.
He then continued to bully us throughout the entire build about all manner of Building Regulations that he either reinterpreted to suit himself or made up to thwart our completion. At one point he told us that we would never be signed off. His boss took over and signed us off immediately.
In Scotland, you apply for a Building Warrant. This is then assessed against the relevant Building Standards (previously known as the Building Regulations). Your Building Warrant must be approved before you undertake any works - that is unless the works are exempt and do not require a Building Warrant. The process in England and Wales may be different. In GB&NI - for Northern Ireland, you would need to get confirmation from a NI Building Standards Officer.
On a terraced house if I want to add a kitchen extension can I build it full width so it becomes the boundary between both my neighbours or does there have to be a gap between us? I am guessing there would need to be a Party Wall Agreement but I really dont know. Would it be less hassle just to leave a gap anyway?
No, a gap isn't necessary and is exactly why the Party Wall Act was introduced - so that you can build on the boundary and the neighbour is afforded the benefit of using the wall also.
Im planning to build a rear single storey extension across the back of my house hopefully under PD. Because of this im was under the impression i was limited to 3m going out and only running the width or the house which seems to be correct. What i am slightly confused on is that you seem to say although you cant go past the existing side wall you can buold a side extension. And then you state you cant build a wrap-around (side extension and rear) how does that work if both are independently allowed?? Seems strange. Could you build a rear first under PD and then also build a side extension later also under permitted development? Then basically giving you a wrap around or have i totally missed the point here 🤔 apologies if i have, im just trying to work out my limits tbh. We are desperate to start as we really need the additional room and dont want to have to wait another 6-8months for planning but ideally we would like to buold a little bigger and adding to the side as well could be an answer. Also your advice about the possibilities of going further than 3m under DP with neighbour consultation is a possibility but how long does this generally add to the process?? Any advice would be greatly appreciated 👏
It does sound strange and the 'infill' between the ide and rear extensions would not be PD - you would require planning permission for that in most circumstances. This exact scenario is covered in quite some detail in this document (if you have trouble sleeping!): www.gov.uk/government/publications/permitted-development-rights-for-householders-technical-guidance