the Rabbits was still there until recently. Went past yesterday, it seems to have become some kind of posh watering hole under another name. The chemist is next door, has been there for many years, then the hairdressers.
I believe your best bet is to contact the Archives and Local Studies at Stratford Library. I think their phone number has not changed recently: 0208 430 6881 or try archiveslocalstudies at newham.gov.uk