But the paint originally used for the wall or fence might not be available and so another one that doesn't quite match or a completely different shade is used.
The end result often can look like abstract art.
I just love some of the results. Some of these would be good as carpets.
Here's a selection.

Parkhurst Road, N7.

Rowstock Gardens, N7

Rowstock Gardens, N7

Old Street, EC1

Dalston, E8

Bowmans Mews, N7
