Listed below are a series of links that you may find useful.

Association of Retirement Housing Managers
Citizens Advice Bureau
EAC Housing Care (Elderly Accommodation Counsel)
Housing Net
Housing Quality Network
National Housing Federation
Shelter
The Housing Corporation
The Independent Housing Ombudsman Scheme
Royal National Institute of the Blind
Department for Work and Pensions
Rydon
Allpay
Available Homes (Mutual Exchange scheme)

Affinity Website Links

Affinity Sutton Group
Broomleigh Housing Association
Grange Management