Here are some local Redbridge and wider London organisations which you may find useful. 

Opening Doors London
http://openingdoorslondon.org.uk/
Opening Doors London (ODL) provides information and support services specifically for older
Lesbian, Gay, Bisexual and Trans* (LGBT*) people in
the UK.

Terence Higgins Trust
http://www.tht.org.uk
We have a dedicated HIV prevention and sexual health promotion service in Redbridge, offering HIV testing and support, chlamydia and Gonorrhoea screening for young people, condom distribution, awareness sessions and training. We work closely with community organisations, pharmacies and health services to deliver the most comprehensive service we can to all Redbridge Residents