Commer pump Gloster WFB EDG464A unique 1942 appliance taken at Battersea. I do not know the bodybuilder. It still seems to be around and in an auction 2023:
www.carandclassic.com/l/C1590570
Moreton Valance (written on the side of the truck) was an RAF station used to test the Gloster Meteor.
Courtesy Geoff Pritchard collection acquired via the Fire Brigade Society. Copyright Ben Jenkins.
Picture added on 06 June 2023 at 20:09
Added by Bristol Bob on 07 June 2023.