Carolina
It was the Warwick Arms the front entrance was in Long Street, but there was a rear entrance in Larches Street it was often used as a short cut from Larches St to Long St. The photo was taken outside the Long St entrance. the pub was still open the last time I was down that way.
Mike it's debatable about being no pub in Larches St because my local The Talbot was half in Larches St and half in Highgate Rd being on the corner as it was, but the living accommodation was in Larches St, in the photo Larches St runs to the left of the pub.
Lyn, Larches street used to run from Highgate Rd to Ladypool until the planners cut it up. They re-named one third of it Timbers Way, made a park out of the middle section and left the third that connected with Ladypool Rd after they rebuilt it, by the way this is the section where your relatives would have lived. So if your relative was a drimker they would have most likely used the Angel or the Turners.