Its bang on the A3 mate very near the Wandsworth H33 fire station the little roads within the estate are called Longstaff Estate
Edwin Alliott Verdon Roe, born 26 April 1877, Knighted 27 March 1929, changed his surname to Verdon-Roe by deed pole in 1933. His two sons: Eric Alliott Verdon-Roe Casualty record Lighton Verdon-Roe Casualty record
Clive, I turned in to Lebanon road on Thursday only to find the road was closed (Nothing new there) Friday, I tried again, the road was open, pulled in to the Longstaff estate and took a wander. Asked a local walking through and he showed me where the plaque is. Sadly I had forgot my camera that day, unbelievable !! Anyway, I now know where it is. Many thanks for your help. Cheers !