W1U 6NS: 36 recorded property sales with dates, prices and address history. HM Land Registry records, not current valuations.
Need wider context? View the W1U property report.
Properties by latest recorded type
Bars show recorded Price Paid sales. Lines show median sale prices. Hover or tap a year for exact values, or select a legend item to show or hide a series.
| Year | Recorded sales | All property types median sale price | Flat or maisonette median sale price |
|---|---|---|---|
| 2007 | 1 | £395,000 | £395,000 |
| 2009 | 2 | £731,000 | £731,000 |
| 2010 | 1 | £935,000 | £935,000 |
| 2011 | 1 | £1,110,000 | £1,110,000 |
| 2013 | 2 | £2,050,000 | £2,050,000 |
| 2014 | 1 | £1,060,000 | £1,060,000 |
| 2015 | 1 | £1,400,000 | £1,400,000 |
| 2018 | 1 | £1,345,000 | £1,345,000 |
| 2019 | 1 | £1,460,000 | £1,460,000 |
| 2021 | 1 | £2,905,000 | £2,905,000 |
| 2022 | 1 | £1,320,000 | £1,320,000 |
| 2025 | 1 | £995,000 | £995,000 |
1-20 of 25 properties · 36 recorded sales · W1U 6NS
July 2021 to July 2026
Portman Mansions, Flat 4b, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 1 August 2025
£995,000Portman Mansions, Flat 4o, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 15 March 2022
£1,320,000Portman Mansions, Flat 4f, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 29 April 2021
£2,905,000Portman Mansions, Flat 4n, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 27 September 2019
£1,460,000Portman Mansions, Flat 4r, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 6 February 2015
£1,400,000Portman Mansions, Flat 4y, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 20 January 2014
£1,060,000Portman Mansions, Flat 4e, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 9 September 2013
£2,350,000Portman Mansions, Flat 4c, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 27 June 2013
£1,750,000Portman Mansions, Flat 4a, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 15 July 2011
£1,110,000Portman Mansions, Flat 4m, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 27 May 2010
£935,000Portman Mansions, Flat 4x, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 13 August 2009
£815,000Portman Mansions, Flat 4r, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 15 October 2007
£395,000Portman Mansions, Flat 4p, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 3 July 2006
£550,000Portman Mansions, Flat 4y, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 24 September 2004
£530,000Portman Mansions, Penthouse 10, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 3 September 2004
£525,000Portman Mansions, Flat 4z, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 23 January 2004
£390,000Portman Mansions, Flat 4j, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 24 September 2003
£382,500Portman Mansions, Flat 4e, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 25 February 2003
£240,000Portman Mansions, Flat 4o, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 29 November 2002
£420,000Portman Mansions, Penthouse 10, Chiltern Street, London, W1U 6NS
Flat or maisonette, Leasehold, existing property
Latest sale · 14 July 1999
£290,000The five-year median is £1,157,500 from 2 recorded sales in W1U 6NS. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for City of Westminster is £854,198 in June 2026, down 25.4% year on year.