The UK Postcode Database

SL4 3BG

a postcode in Windsor and Maidenhead

Introduced in January 1980
SL4 3BG 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 3BG

St Mark's Place - 39 properties, USRN 44401441

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

Coordinates

Latitude: 51.4769 / 51°28'36"N

Longitude: -0.6144 / 0°36'51"W

UTM Reference: 30U 665666 5705560

OS Easting: 496325

OS Northing: 176237

OS Grid: SU963762

Location Encoding

Mapcode Local: GBR F8L.7J7

Mapcode Global: VHFTG.94KM

Open Location Code: 9C3XF9GP+Q7

Maidenhead Locator System: IO91ql64

Demographics

Urban/Rural Indicator: C1

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

ONS Population Classification: 5a3

  • Ethnically Diverse Suburb-an Professionals
  • Outer Suburbs
  • Young Suburban Families

Index of Multiple Deprivation (IMD): 32521 / 32844

  • 10th decile
  • least deprived

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

Sun and Moon Times for SL4 3BG on Monday 29 June 2026

Nautical twilight begins (First light) 02:48
Civil twilight begins (Dawn) 04:01
Sunrise 04:48
Transit (sun is at its highest) 13:05
Sunset 21:23
Civil twilight ends (Dusk) 22:10
Nautical twilight ends (Nightfall) 23:23
Hours of daylight today04:18 to 21:53
Hours of darkness tonight
(lighting-up time)
21:53 to 04:19
Moon Phase Full Moon
Moon Sets 02:33
Moon Rises 20:44

For a full sun and moon calendar for SL4 3BG, go to The Time and Place

Residential Property Sales in SL4 3BG

DateAddressProperty TypeTenurePrice
31 July 2024 11 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £400,000
16 August 2023 6 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £710,000
17 February 2023 32 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £685,000
9 September 2022 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £728,000
14 July 2022 17 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £610,000
3 February 2022 36 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £750,000
5 November 2021 6 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £665,000
29 September 2021 11 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £565,000
19 August 2021 12 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £735,000
7 September 2018 34 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £735,000
1 August 2018 18 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £760,000
6 October 2017 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £710,000
29 July 2015 21 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £600,000
29 May 2015 26 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £600,000
27 January 2014 22 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £567,500
10 January 2014 36 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £555,000
5 September 2013 10 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £490,000
22 August 2013 17 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £460,000
12 July 2013 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £470,000
14 June 2013 8 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £417,500
28 February 2013 5 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £470,000
1 October 2012 14 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £565,000
19 April 2012 28 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £460,000
1 September 2011 4 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £430,000
22 August 2011 24 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £515,000
21 September 2010 14 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £525,000
9 July 2010 11 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £390,000
24 June 2010 18 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £500,000
27 November 2009 34 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £360,000
18 December 2007 12 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £440,000
24 November 2006 40 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £377,000
23 October 2006 5 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £325,000
6 July 2006 36 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £397,000
6 March 2006 28 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £415,000
15 July 2005 15 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £305,000
15 July 2005 18 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £345,000
22 December 2004 24 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £380,000
6 December 2004 23 St Marks Place, Windsor SL4 3BG Detached Freehold £360,000
18 November 2004 22 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £405,000
11 August 2004 28 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £367,000
2 July 2004 38 St Marks Place, Windsor SL4 3BG Detached Freehold £278,000
2 July 2004 6 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £369,950
5 December 2003 42 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £295,000
10 November 2003 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £355,000
31 October 2003 14 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £369,950
15 September 2003 36 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £318,823
6 December 2002 24 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £338,000
29 November 2002 28 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £335,000
3 October 2002 14 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £260,000
28 January 2002 13 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £198,000
3 August 2001 22 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £214,500
15 February 2001 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £258,000
4 September 2000 16 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £203,000
30 August 2000 15 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £260,000
28 July 2000 6 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £275,000
16 December 1999 6 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £192,500
20 October 1999 36 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £215,000
15 October 1999 11 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £175,000
6 October 1999 1a St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £179,950
26 February 1999 3 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £162,000
2 September 1998 24 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £200,000
25 February 1998 5 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £151,000
30 January 1998 23 St Marks Place, Windsor SL4 3BG Detached Freehold £152,000
12 December 1997 1 St Marks Place, Windsor SL4 3BG Semi-detached Freehold £160,000
7 November 1997 26 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £168,000
17 June 1997 The Croft, St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £189,950
21 March 1997 5 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £124,950
29 November 1996 18 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £87,500
19 September 1996 40 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £127,700
28 August 1996 28 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £129,500
31 January 1996 26 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £125,000
11 January 1996 40 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £75,000
14 December 1995 10 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £123,000
5 May 1995 24 St Marks Place, Windsor SL4 3BG Terraced (including end-of-terrace) Freehold £130,000

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 3BG

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 3BG

CodeNameData TypeData ThemeActive SinceData Owner
E00083536 Output Areas Statistical Building Block 1 January 2009 ONS
E01016546 Windsor and Maidenhead 015A Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02003435 Windsor and Maidenhead 015 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
E33040355 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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