The UK Postcode Database

SL4 1JN

a postcode in Windsor and Maidenhead

Introduced in January 1980
SL4 1JN 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 1JN

Keppel Street - 33 properties, USRN 44400735

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

Coordinates

Latitude: 51.4777 / 51°28'39"N

Longitude: -0.6085 / 0°36'30"W

UTM Reference: 30U 666074 5705661

OS Easting: 496734

OS Northing: 176333

OS Grid: SU967763

Location Encoding

Mapcode Local: GBR F8L.8Z6

Mapcode Global: VHFTG.D4P1

Open Location Code: 9C3XF9HR+3J

Maidenhead Locator System: IO91ql64

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): 27933 / 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 1JN on Friday 3 July 2026

Nautical twilight begins (First light) 02:53
Civil twilight begins (Dawn) 04:04
Sunrise 04:51
Transit (sun is at its highest) 13:06
Sunset 21:22
Civil twilight ends (Dusk) 22:08
Nautical twilight ends (Nightfall) 23:20
Hours of daylight today04:21 to 21:52
Hours of darkness tonight
(lighting-up time)
21:52 to 04:22
Moon Phase Waning Gibbous
Moon Sets 07:13
Moon Rises 22:16

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

Residential Property Sales in SL4 1JN

DateAddressProperty TypeTenurePrice
24 November 2023 10 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £600,000
19 January 2023 8 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £650,000
28 November 2022 10 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £582,500
18 March 2022 23 Helena Road, Windsor SL4 1JN Detached Freehold £1,175,000
22 July 2020 30 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £610,000
14 October 2019 13 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £562,500
18 October 2018 8 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £525,000
16 January 2018 34 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £650,000
30 September 2016 22 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £600,000
26 August 2014 19 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £445,000
16 December 2013 2 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £428,000
22 November 2013 20 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £460,000
31 August 2012 14 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £400,000
30 September 2011 34 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £440,000
25 August 2011 4 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £450,000
16 August 2011 27 Helena Road, Windsor SL4 1JN Semi-detached Freehold £350,000
27 October 2010 1 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £430,000
30 July 2010 20 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £435,000
16 July 2010 12 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £407,500
2 July 2010 18 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £449,950
22 December 2009 4 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £420,000
13 July 2009 30 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £410,000
30 May 2008 11 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £475,000
26 October 2007 11 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £455,000
19 October 2007 21 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £353,500
5 October 2007 5 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £467,300
27 July 2007 8 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £385,000
1 May 2007 22 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £450,000
16 April 2007 28 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £385,000
6 December 2006 34 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £401,140
20 October 2006 13 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £400,000
4 October 2006 2 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £351,000
12 January 2006 14 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £305,000
22 August 2005 23 Helena Road, Windsor SL4 1JN Detached Freehold £640,000
10 June 2005 22 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £349,950
17 February 2005 25 Helena Road, Windsor SL4 1JN Semi-detached Freehold £230,000
24 September 2004 11 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £367,000
14 March 2004 21 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £250,000
5 March 2004 28 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £250,000
20 November 2003 11 Helena Road, Windsor SL4 1JN Detached Freehold £250,000
3 October 2003 12 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £250,000
9 September 2003 23 Helena Road, Windsor SL4 1JN Detached Freehold £437,000
25 July 2003 4 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £250,000
1 May 2003 18 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £270,000
31 March 2003 14 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £187,500
14 March 2003 30 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £280,000
30 August 2002 32 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £249,999
28 June 2002 9 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £329,950
21 June 2002 19 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £229,950
23 May 2002 25 Helena Road, Windsor SL4 1JN Semi-detached Freehold £209,000
23 May 2002 30 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £249,950
26 October 2001 20 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £220,000
13 March 2001 13 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £238,000
15 December 2000 14 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £220,000
30 June 2000 18 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £205,000
24 March 2000 25 Helena Road, Windsor SL4 1JN Semi-detached Freehold £190,000
20 March 2000 12 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £195,000
25 February 2000 4 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £185,000
26 November 1999 32 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £207,950
1 November 1999 18 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £176,000
12 August 1999 8 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £169,950
7 June 1999 27 Helena Road, Windsor SL4 1JN Semi-detached Freehold £140,500
27 January 1999 15 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £170,000
10 December 1998 13 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £175,000
9 December 1998 5 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £180,000
12 June 1998 27 Helena Road, Windsor SL4 1JN Semi-detached Freehold £112,000
12 June 1998 32 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £159,950
30 April 1998 9 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £186,000
22 August 1997 22 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £155,000
9 July 1997 15 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £138,000
9 August 1996 13 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £117,000
26 July 1996 34 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £97,000
26 July 1996 21 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £83,500
19 January 1996 3 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £142,500
7 December 1995 5 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £105,292
1 December 1995 2 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £105,000
21 September 1995 28 Helena Road, Windsor SL4 1JN Terraced (including end-of-terrace) Freehold £82,000
11 September 1995 27 Helena Road, Windsor SL4 1JN Semi-detached Freehold £77,250
31 May 1995 25 Helena Road, Windsor SL4 1JN Semi-detached Freehold £83,500
21 April 1995 2 Helena Road, Windsor SL4 1JN Semi-detached Freehold £53,000

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 1JN

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 1JN

CodeNameData TypeData ThemeActive SinceData Owner
E00083533 Output Areas Statistical Building Block 1 January 2009 ONS
E01016544 Windsor and Maidenhead 010A Lower layer Super Output Areas Statistical Building Block 1 February 2004 ONS
E02003430 Windsor and Maidenhead 010 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
E33040326 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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