Countryside is progressing plans for for the Hounslow Town Primary School site.
The plans designed by Pollard Thomas Edwards include a new primary school building and around 250 homes on the site in the heart of Hounslow.
The existing school would be demolished and rebuilt, along with the homes on the 6 acre site between London Road and Pears Road.
Countryside is working with Network Housing Group on the plan, which is reported to have around 40% affordable content. THe pair expect to submit a planning application in spring 2016.