Price per m2:
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Highlights: Out of 2,280 postcode districts analysed, the top 70 were all in central London and the first 100 were all in Greater London. The first outside central London is TW10 (Richmond), which is 75th at £7,689 per m2. The most expensive postcode district outside Greater London is OX2 in Oxford, which is 125th in the list at £5,203 per m2.
Methodology: Sale prices taken from Land Registry's Price Paid dataset of residential property sales to individuals since August 2007. Floor area in m2 per property taken from Energy Performance Certificates. I join each property sale to the property's most recent EPC, using normalised addresses: this finds a match 79% of the time, for around 6.2 million property sales. The aggregate price per m2 for each postcode district is then calculated as the total price of all sales, divided by the total floor area of all properties. The occasional black hole is a postcode district with no matching residential transactions, e.g. Heathrow and parts of the City of London. Last updated January 2018.
Attribution: Postcode district derived boundaries reproduced under the Open Government Licence v3.0. Postal Boundaries © GeoLytix copyright and database right 2012. Contains Ordnance Survey data © Crown copyright and database right 2012. Contains Royal Mail data © Royal Mail copyright and database right 2012. Contains National Statistics data © Crown copyright and database right 2012. Price Paid data produced by HM Land Registry © Crown copyright 2017.