The UK Postcode Database

SL4 1SY

a postcode in Windsor, Windsor and Maidenhead

Introduced in January 1980
SL4 1SY 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 1SY

Mountbatten Square - 35 properties, USRN 44401082

Unnamed road - 1 property, USRN 44400306

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

Coordinates

Latitude: 51.4816 / 51°28'53"N

Longitude: -0.6129 / 0°36'46"W

UTM Reference: 30U 665750 5706081

OS Easting: 496417

OS Northing: 176757

OS Grid: SU964767

Location Encoding

Mapcode Local: GBR F8L.1VN

Mapcode Global: VHFTG.B1B2

Open Location Code: 9C3XF9JP+JR

Maidenhead Locator System: IO91ql65

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 2d1

  • Cosmopolitans
  • Aspiring and Affluent
  • Urban Cultural Mix

Index of Multiple Deprivation (IMD): 24265 / 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 SL4 1SY on Thursday 13 March 2025

Astromomical twilight begins (full darkness ends) 04:28
Nautical twilight begins (First light) 05:08
Civil twilight begins (Dawn) 05:46
Sunrise 06:20
Transit (sun is at its highest) 12:11
Sunset 18:03
Civil twilight ends (Dusk) 18:36
Nautical twilight ends (Nightfall) 19:15
Astromomical twilight ends (full darkness starts) 19:55
Hours of daylight today05:50 to 18:33
Hours of darkness tonight
(lighting-up time)
18:33 to 05:47
Moon Phase Full Moon
Moon Sets 06:20
Moon Rises 17:27

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

Residential Property Sales in SL4 1SY

DateAddressProperty TypeTenurePrice
11 January 2024 41 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £255,000
28 September 2021 37 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £250,000
27 September 2021 57 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £282,000
21 December 2020 47 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £318,000
2 October 2019 44 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £245,000
20 September 2019 34 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £264,000
6 January 2017 51 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £320,000
24 August 2016 46 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £345,000
10 December 2013 46 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £250,000
11 July 2013 30 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £245,000
5 October 2012 44 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £186,000
27 November 2008 33 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £210,000
9 May 2008 57 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £242,000
31 January 2008 49 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £230,000
9 November 2007 34 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £229,000
3 October 2007 37 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £185,000
18 January 2007 54 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £249,950
15 April 2005 57 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £170,000
19 July 2004 46 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £222,000
19 April 2004 34 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £179,950
13 June 2003 50 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £170,000
30 May 2003 44 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £146,000
31 January 2003 44 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £128,000
20 December 2001 51 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £139,500
12 October 2001 29 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £112,000
26 June 2000 60 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £87,000
19 July 1999 57 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £89,000
16 October 1998 41 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £79,950
27 August 1998 30 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £99,950
27 March 1997 34 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £56,000
21 February 1997 30 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £63,000
6 December 1996 54 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £63,000
3 April 1995 49 Mountbatten Square, Windsor SL4 1SY Flat/apartment Leasehold £54,000

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 1SY

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 1SY

CodeNameData TypeData ThemeActive SinceData Owner
E00083534 Output Areas Statistical Building Block 1 January 2009 ONS
E01016545 Windsor and Maidenhead 012A 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
E33037198 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
E63005007 Windsor Built Up Areas Census 1 December 2022 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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