BIRMINGHAM, UNITED KINGDOM - JANUARY 29:  For Sale and To Let boards advertise properties in Selly Oak on 29 January, 2007 in Birmingham, England,  House prices in Britain are to rise by up to 1,000 GBP per month according to think tank The Centre for Economics and Business Research with an increase of up to 7.69%. The price rise will make it increasingly harder for first time buyers with many average earners only being able to rent property.  (Photo by Christopher Furlong/Getty Images)