Professional Bodies:

Chartered Institute of Housing (CIH)

National Association of Estate Agents (NAEA)

Royal Institution of Chartered Surveyors (RICS)

UK Association of Letting Agents (UKALA)

Sellers:

Advice For Sellers (Which?)

Information on Selling a Home (Citizens Advice)

Property Selling Guides (BBC Website)

Tax Relief When Selling Your Home (DirectGov)

Buyers:

Advice From The OFT (Office of Fair Trading)

House Buying Guide ('How To Books')

Questions to Ask When Buying a House (Channel 4)

Landlords:

Comprehensive Landlord Website (Landlord Zone)

Landlordexpert.co.uk

National Landlords Association

Tenants:

Landlord and tenant obligations (DirectGov)

Services for Tenants (Landlord-Law)

Tenant Participation Advisory Service (TPAS)

General:

All About Mortgages (mortgages.org.uk)

Home Information Packs Explained (DirectGov)

Tenancy Agreements Explained (Citizens Advice)

Tenancy Deposit Protection (communities.gov.uk)

Very Popular Guide to Moving House