Tag shop=variety_store is missing.

See shop=variety_store

Please use local knowledge to confirm this.

Londis convenience store located here

The post box is on the corner of High Street Colliers Wood and Cavendish Road. There isn't a little road leading to the postbox (which is what the map seems to suggest).

The Fish Inn (excellent fish & chip shop) is on this corner.

The Sree Krishna restaurant is on this corner: one of the oldest and best of the Indian restaurants in South-West London, opened circa 1974.