Where was the Isolation Hospital?

The Wandle Valley Isolation Hospital was at Mitcham Junction, but where exactly? This video shows you where and how to find it on old maps.
LINKS
OS Map reproduced by permission of the National Library of Scotland, reuse CC-BY
maps.nls.uk/geo/explore/#zoom...
Aerial photo via Historic England
historicengland.org.uk/images...
Lost Hospitals of London
ezitis.myzen.co.uk/wandlevall...
For other aerial photos that cover the Mitcham area, see my website Mitcham History Notes
mitchamhistorynotes.com/2020/...

[@andymad47]

Used to work there as a domestic,( did the floor polishing ),it was a large site,withe the wards well spaced out,was a terminal hospital then. I transferred to the Wilson Hospital later,and also cleaned the Cumberland, although that had closed by then,with just the clinic open.