The UK Postcode Database

SL4 1SQ

a postcode in Windsor and Maidenhead

Introduced in January 1980
SL4 1SQ 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 SL4 1SQ

Duke Street - 19 properties, USRN 44400492

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

Coordinates

Latitude: 51.4846 / 51°29'4"N

Longitude: -0.6187 / 0°37'7"W

UTM Reference: 30U 665337 5706400

OS Easting: 496008

OS Northing: 177082

OS Grid: SU960770

Location Encoding

Mapcode Local: GBR F8D.SGQ

Mapcode Global: VHFT8.7Y8B

Open Location Code: 9C3XF9MJ+RG

Maidenhead Locator System: IO91ql56

Demographics

Urban/Rural Indicator: C1

  • urban city or town
  • a town or city, surrounded by populated countryside

ONS Population Classification: 6c1

  • Baseline UK
  • Multicultural Inner Suburbs
  • Transient Communities

Index of Multiple Deprivation (IMD): 26601 / 32844

  • 9th decile
  • much less deprived

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

Sun and Moon Times for SL4 1SQ on Thursday 2 July 2026

Nautical twilight begins (First light) 02:51
Civil twilight begins (Dawn) 04:03
Sunrise 04:50
Transit (sun is at its highest) 13:06
Sunset 21:22
Civil twilight ends (Dusk) 22:09
Nautical twilight ends (Nightfall) 23:21
Hours of daylight today04:20 to 21:52
Hours of darkness tonight
(lighting-up time)
21:52 to 04:21
Moon Phase Waning Gibbous
Moon Sets 05:56
Moon Rises 22:02

For a full sun and moon calendar for SL4 1SQ, go to The Time and Place

Residential Property Sales in SL4 1SQ

DateAddressProperty TypeTenurePrice
22 February 2024 58 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £500,000
7 November 2023 64 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £500,000
31 May 2022 54 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £730,000
27 August 2019 78 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £477,000
12 March 2015 62 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £395,000
30 January 2015 72 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £450,000
27 June 2014 66 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £550,000
27 September 2013 54 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £495,000
10 September 2012 58 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £337,500
3 September 2012 56 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £385,000
28 May 2010 66 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £380,000
13 August 2009 70 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £420,000
7 May 2008 66 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £361,500
24 January 2008 84 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £432,500
26 November 2007 74 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £386,500
14 September 2007 80 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £450,000
18 August 2005 78 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £335,000
4 August 2005 52 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £248,950
4 July 2005 58 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £272,000
24 September 2004 50 Duke Street, Windsor SL4 1SQ Semi-detached Freehold £391,000
25 May 2004 54 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £300,000
24 July 2003 54 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £205,000
10 June 2003 70 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £276,000
31 January 2003 82 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £310,000
24 January 2003 78 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £295,000
29 November 2002 80 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £350,000
19 April 2002 82 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £220,000
28 September 2001 66 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £249,000
8 January 2001 72 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £229,000
21 January 2000 64 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £199,950
30 July 1999 74 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £174,950
17 June 1999 60 Duke Street, Windsor SL4 1SQ Detached Freehold £167,000
5 March 1999 78 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £167,000
29 January 1999 70 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £150,000
7 January 1999 84 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £157,000
1 June 1998 50 Duke Street, Windsor SL4 1SQ Semi-detached Freehold £201,950
7 November 1996 80 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £114,550
3 May 1996 74 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £101,000
15 April 1996 58 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £93,500
29 November 1995 78 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £107,000
14 July 1995 64 Duke Street, Windsor SL4 1SQ Terraced (including end-of-terrace) Freehold £92,000

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 SL4 1SQ

United Kingdom Parliament
Constituency

Windsor

MP

Jack Rankin Conservative

Windsor and Maidenhead Council
Unitary Authority ward (UTW)

Eton & Castle

Councillors

Devon Davies Liberal Democrats

Julian Tisi Liberal Democrats

Mark Wilson Liberal Democrats

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

Government Statistical Services (GSS) data for SL4 1SQ

CodeNameData TypeData ThemeActive SinceData Owner
E00083543 Output Areas Statistical Building Block 1 January 2009 ONS
E01016547 Windsor and Maidenhead 012B Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02003432 Windsor and Maidenhead 012 Middle layer Super Output Areas Statistical Building Block 1 August 2004 ONS
E05012504 Eton & Castle Electoral Wards/Divisions Administrative/Electoral 2 May 2019 DLUHC
E06000040 Windsor and Maidenhead Unitary Authorities Administrative 1 January 2009 DLUHC
E12000008 South East Regions Administrative 1 January 2009 DLUHC
E14001588 Windsor Westminster Parliamentary Constituencies Electoral 4 July 2024 LGBC
E23000029 Thames Valley Police Force Areas Other 1 January 2009 Home Office
E30000266 Slough and Heathrow Travel to Work Areas Other 31 July 2015 ONS
E33040341 Workplace Zones Census 31 December 2011 ONS
E37000035 Thames Valley Berkshire Local Enterprise Partnerships Other 28 October 2010 BEIS
E38000252 NHS Frimley ICB - D4U1Y Sub Integrated Care Board Locations Health 1 July 2022 ODS
E40000005 South East NHS England Regions Health 1 April 2018 ODS
E43000259 Windsor and Maidenhead, unparished area Non-Civil Parished Areas Census 1 April 2019 ONS
E54000034 NHS Frimley Integrated Care Board Integrated Care Boards Health 1 July 2022 ODS
E56000012 Surrey and Sussex Cancer Alliances Health 1 September 2016 NHS England
E63012122 Windsor 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.

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