In message ,
Tom Anderson writes

Incidentally, i'm noting these down:

http://london.openguides.org/index.c...mbered_Streets

"Numbered down one side, then continued along the other" is a very
common category that often occurred when only one side of a street was
initially developed.

For instance, Avenue Gardens SW14 ...

http://www.multimap.com/map/browse.c...le=5000&icon=x

.... was originally built in 1900 with houses on the west side only,
numbered consecutively 1, 2, 3, 4 etc. There were no houses on the east
side because that was a walled avenue to the cemetery. More than 50
years later this avenue was then built upon and the house numbers on
that side continued in sequence, something like 27, 28, 29 ...

--
Paul Terry