The 7 must-know numbers of the week, starting with Anna Bligh's home movements

The price hopes for Sydney-based former Queensland premier Anna Bligh's south Brisbane home, which sold this week. There were five registered bidders, but not a single offer at its September auction. Anna Bligh has been recently spotted at open for inspections in the Sydney suburb of Paddington.

The percentage of residential property sales in Sydney in the year to August 2012 that were over $1 million, according to RP Data.

The price hopes for a one-bedroom flat in London's Chelsea that was once part of Oscar Wilde's home. Wilde wrote many of his famous works, including Picture of Dorian Gray and The Importance of Being Earnest, in the library, which is now the bedroom. 

The likely price hopes for One Cornwall Terrace, located on the Outer Circle road around The Regent's Park, London. It is reportedly the world's most expensive terrace house.

The official cash rate after the RBA cut rates this week. The new setting is the lowest the cash rate has been since a period from April to September 2009, following the GFC.

The approximate percentage of mortgage borrowers who have a fixed-rate loan, according to Mortgage Choice. Borrowers who fixed around September 2008, when the average three-year fixed rate was 8.75% and just before the RBA began drastically cutting the cash rate, would have had to endure three years of substantially higher mortgage repayment than those who chose a variable-rate mortgage.

The house price growth in Moe in the October quarter, according to Residex. Moe is the best-performing Victorian housing market over the quarter.