Had to laugh at this, it must be the shortest period to measure asking prices that I've come across -
"Rightmove: House prices rise sharply in 2006
Monday, 16 Jan 2006 11:01 Rightmove: recorded fastest weekly rise in
19 monthsThe property market has started 2006 with a bang, recording the fastest weekly rise in house prices in 19 months.
Average asking prices rose by £2,048, or 0.9 per cent, in the first week of 2006 - the largest weekly rise since May 2004 according to Rightmove.co.uk."
That's an annualised growth rate of 59%.
Daytona