The UK Postcode Database

W1U 6NS

a postcode in Westminster

Introduced in October 2000
W1U 6NS Normal (geographic) postcodes Large user postcodes

The nearby postcodes map only shows currently active postcodes. Postcode markers will cluster if they are close together, which may happen in densly populated built-up areas or where single premises have multiple postcodes.

Streets Associated with W1U 6NS

Chiltern Street - 24 properties, USRN 8401153

Street names are those nearest to properties in this postcode, they are not necessarily the postal address

Coordinates

Latitude: 51.5217 / 51°31'18"N

Longitude: -0.1566 / 0°9'23"W

UTM Reference: 30U 697253 5711679

OS Easting: 527985

OS Northing: 181923

OS Grid: TQ279819

Location Encoding

Mapcode Local: GBR 98.0P

Mapcode Global: VHGQZ.70JR

Open Location Code: 9C3XGRCV+M8

Maidenhead Locator System: IO91wm15

Demographics

Urban/Rural Indicator: A1

  • major urban conurbation
  • a very large city or conurbation

ONS Population Classification: 3c1

  • Multicultural and Educated Urbanites
  • Diverse Educated Urban Singles
  • Centrally Located Professionals

Index of Multiple Deprivation (IMD): 23263 / 32844

  • 8th decile
  • less deprived

Demographics are based on the LSOA containing this postcode and not necessarily this postcode alone

Sun and Moon Times for W1U 6NS on Saturday 27 June 2026

Nautical twilight begins (First light) 02:43
Civil twilight begins (Dawn) 03:57
Sunrise 04:45
Transit (sun is at its highest) 13:03
Sunset 21:22
Civil twilight ends (Dusk) 22:09
Nautical twilight ends (Nightfall) 23:23
Hours of daylight today04:15 to 21:52
Hours of darkness tonight
(lighting-up time)
21:52 to 04:15
Moon Phase Waxing Gibbous
Moon Sets 01:10
Moon Rises 18:59

For a full sun and moon calendar for W1U 6NS, go to The Time and Place

Residential Property Sales in W1U 6NS

DateAddressProperty TypeTenurePrice
15 March 2022 Flat 4o, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,320,000
29 April 2021 Flat 4f, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £2,905,000
27 September 2019 Flat 4n, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,460,000
12 February 2018 Flat 4n, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,345,000
6 February 2015 Flat 4r, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,400,000
20 January 2014 Flat 4y, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,060,000
9 September 2013 Flat 4e, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £2,350,000
27 June 2013 Flat 4c, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,750,000
15 July 2011 Flat 4a, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £1,110,000
27 May 2010 Flat 4m, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £935,000
13 August 2009 Flat 4x, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £815,000
29 May 2009 Flat 4n, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £647,000
15 October 2007 Flat 4r, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £395,000
31 August 2006 Flat 4a, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £540,000
3 July 2006 Flat 4p, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £550,000
24 September 2004 Flat 4y, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £530,000
3 September 2004 Penthouse 10, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £525,000
23 January 2004 Flat 4z, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £390,000
24 September 2003 Flat 4j, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £382,500
18 July 2003 Penthouse 10, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £372,500
25 February 2003 Flat 4e, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £240,000
29 November 2002 Flat 4o, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £420,000
25 October 2001 Flat 4r, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £395,000
25 May 2000 Flat 4m, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £249,950
14 July 1999 Penthouse 10, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £290,000
28 May 1999 Flat 4o, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £250,000
9 January 1998 Penthouse 10, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £249,995
15 December 1997 Flat 4r, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £210,000
2 July 1997 Flat 4g, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £265,000
18 June 1997 Flat 4m, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £222,000
28 May 1997 Flat 4p, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £250,000
14 April 1997 Flat 4b, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £155,500
24 February 1997 Flat 4n, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £197,000
18 October 1995 Flat 4x, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £154,000
23 March 1995 Flat 4b, Portman Mansions, Chiltern Street, London W1U 6NS Flat/apartment Leasehold £99,500

Key to property sale icons:

First sale of newbuild property. This includes new properties created from existing properties, such as residential conversions of commercial or agricultural property, or subdivision of a larger residential property.
Subsequent sale of existing property.
Standard sale at market value to private individual.
Additional (non-standard) sale. This includes repossessions, buy-to-lets and transfers of property sold to non-private individuals.

Elected Representatives for W1U 6NS

United Kingdom Parliament
Constituency

Cities of London and Westminster

MP

Rachel Blake Labour/Co-operative

London Assembly
Assembly Constituency

West Central

Assembly Member

James Small-Edwards Labour

Londonwide Members

Assembly Members

Elly Baker Labour

Emma Best Conservative

Andrew Boff Conservative

Hina Bokhari Liberal Democrat

Zoë Garbett Green

Alessandro Georgiou Conservative

Susan Hall Conservative

Lord Bailey of Paddington Conservative

Zack Polanski Green

Caroline Russell Green

Alex Wilson Reform UK

Westminster City Council
London borough ward

Marylebone

Councillors

Ian Rowley Conservative

Barbara Arzymanow Conservative

Karen Scarborough Conservative

Elected representative data is updated approximately monthly, so may not include recent by-elections or vacancies.

Government Statistical Services (GSS) data for W1U 6NS

CodeNameData TypeData ThemeActive SinceData Owner
E00023822 Output Areas Statistical Building Block 1 January 2009 ONS
E01004712 Westminster 008C Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02000967 Westminster 008 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E05013801 Marylebone Electoral Wards/Divisions Administrative/Electoral 5 May 2022 DLUHC
E09000033 Westminster London Boroughs Administrative 1 January 2009 DLUHC
E12000007 London Regions Administrative 1 January 2009 DLUHC
E14001172 Cities of London and Westminster Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000001 Metropolitan Police Police Force Areas Other 1 January 2009 Home Office
E30000234 London Travel to Work Areas Other 31 July 2015 ONS
E32000014 West Central London Assembly Constituencies Electoral 6 May 2010 Greater London Authority
E33036693 Workplace Zones Census 31 December 2011 ONS
E37000051 London Local Enterprise Partnerships Other 1 April 2020 BEIS
E38000256 NHS North West London ICB - W2U3Z Sub Integrated Care Board Locations Health 1 July 2022 ODS
E40000003 London NHS England Regions Health 1 April 2013 ODS
E43000236 Westminster, unparished area Non-Civil Parished Areas Census 1 April 2014 ONS
E54000027 North West London Health and Care Partnership Integrated Care Boards Health 1 April 2019 NHS
E56000021 North West and South West London Cancer Alliances Health 1 July 2019 NHS England
E61000001 Greater London Authority Greater London Authority Administrative 3 July 2000 ONS
E63012036 City of Westminster Built Up Areas Census 17 April 2024 OS
E65000001 England Non-National Park Area England Non-National Park Area Census 27 February 2023 ONS
E92000001 England Country Administrative 1 January 2009 ONS

All public sector data is licensed under the Open Government Licence v2.0.

The UK Postcode Database is a Good Stuff website.

Page generated in 1.49 seconds. 216.73.216.40. Sat, 27 Jun 2026 20:25:22 +0100. Reticulating Splines.