Found it
The URL below should take you to a navigational aid whereby you can move around Sussex using the up/down and left/right arrows in the blue border of the map. Once you are close to the desired town, click on the nearest green aeroplane shape and you should see a 1946/7 aerial photo of...
My Brighton and Hove
Some while ago there was a thread on My B&H linking to a site showing aerial photographs of B&H taken in about 1946. Still showed bomb craters etc. I will have a look tonight.