Extensive interective database containing monetary and financial statistics. Includes time series of historical interest and exchange rates, mortgage lending and approvals, MEW, various inflation measures, and other data relevant to house prices.
http://www.bankofengland.co.uk/statistics/index.htm - details

Website of the Bank of England, central bank of the United Kingdom. Comprehensive statistical database of economic indicators, including mortgage lending statistics, historical interest rates, etc.
http://www.bankofengland.co.uk - details

Website of the British Bankers' Association (BBA), principal trade association for banks operating in the UK. Monthly lending statistics and future LIBOR rates.
http://www.bba.org.uk - details

Website of the Council of Mortgage Lenders, trade association for the mortgage lending industry. Stastics on mortgage lending, repossessions, etc.
http://www.cml.org.uk - details

Publications and data sources from the Greater London Authority relating to housing.
http://www.london.gov.uk/gla/publications/housing.jsp - details

Professional body representing chartered and technical surveyors. Publishes some housing market data based on surveys of its membership.
http://www.rics.org/ - details

The UK Housing Review is an extensive and wide ranging compilation of key housing statistics edited by Steve Wilcox, Centre for Housing Policy, University of York
http://www.ukhousingreview.org.uk/ - details

The Valuation Office Agency VOA produces a twice-yearly Property Market Report – lists current valuations for typical house types across the UK and other market indicators.
http://www.voa.gov.uk/publications/property_market_report/ - details