From the BBC (clicky) :
"This represents a ?40 increase per day," said Fionnuala Earley, the Nationwide's group economist.
"The top three performers in the final quarter of the year were Northern Ireland, Scotland and London, but even the relatively weaker regions in the Midlands and North have seen a marked pick-up in house price inflation this quarter," she added.
I am fairly sure that average "house price" includes flats. Means that renting has effectively cost us 40 pounds a day, that is 14,600 pounds over the past year - I seriously think that if we cannot get acceptable rental housing or buy as our family grows we will be best off emigrating.