HotelsHotelsWales Tourist Board 
Search the database to find places to stay in Wales.
Welsh Accomodation
Complete guide to B & B, guest houses and hotels in Wales.
Hotelfinder
Defaults to an A - Z of hotels in the UK but also gives Europe & World coverage. A major portal site.
Hoteldata
A- Z of hotels, B & B and guest houses in UK
AA hotel guide
Complete guide and booking service to hotels and restaurants in UK via the AA
RAC Hotel guide
Complete UK service for hotels by the RAC
UK Hotels
One of the largest databases on the Web for UK Hotels.
UK B&B
Large UK B&B site.
Hotels of London
Complete London Hotels booking service.
London Hotels
Guide and complete booking service for London hotels plus all the capitals of the world.