Mervyn Peake 1911-1968 author and artist lived here 1960-1968

Simon Harriyott on Flickr
Spudgun67 on Flickr
This is an approximate position

1 Drayton Gardens, Kensington and Chelsea, SW10, London
[geolocate this address]
Google Streetview

by English Heritage in 1996

Colour: blue

Wikimedia:

Flickr: