London: annual residential property transaction numbers from 2005 to 2014

* Provisional data.
Transaction numbers for completions priced at 40,000 or above.
The source adds further information: "The tables in this publication are based on HMRC's stamp duty land tax database, which records information from the Land Transaction Return. Not all property transactions are captured in the database (i.e. transactions where the chargeable consideration is less than £40,000, as well as transfers in connection with divorce etc.).
Rounding: All counts of transaction numbers in the tables are estimates that are rounded to the nearest thousand. All estimates of the value of property transacted are rounded to the nearest million pounds.