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SL4 1SE

Eton & Castle · Windsor and Maidenhead · England

Updated September 2026

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Location overview

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Post town
Windsor
Ward
Eton & Castle
Local authority
Windsor and Maidenhead
Constituency
Windsor
Postcode district
SL4
Postcode sector
SL4 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 1RU 42 m
SL4 1SB 54 m
SL4 1RX 72 m
SL4 1SP 85 m
SL4 1SA 93 m
Complete postcode fields and official codes
Postcode
SL4 1SE
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 1
Latitude
51.483398
Longitude
-0.616826
British National Grid easting
496,141
British National Grid northing
176,956

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Electoral ward
Eton & Castle · E05012504
Parish or community
E43000259
Westminster constituency
Windsor · E14001588
Output area
E00083544
Lower layer super output area
Windsor and Maidenhead 012B · E01016547
Middle layer super output area
Windsor and Maidenhead 012 · E02003432

Postcode source versions

Explore SL4

Property

View all property records
1 recorded sale at this postcode
Address Date Price
Old Yard, Vansittart Estate, Windsor, SL4 1SE 11 May 2018 £1,500,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
71
Primary
30
Secondary
18

  1. Trinity St Stephen CofE Aided First School

    Voluntary aided school

    228 m

  2. The Green Room School

    Other independent special school

    287 m

  3. The Windsor Boys' School

    Academy converter

    296 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,465
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 711
  • Shoplifting 307
  • Anti social behaviour 225
  • Public order 204
  • Other theft 203

Census 2021

Population and age profile

Postcode residents
1

1 female, 0 male

Postcode households
1
Residents per household
1.0
SL4 1 residents
3,477

Age bands in SL4 1

Wider postcode sector
Age 0 to 14
13.4%

454 residents

Age 15 to 24
11.4%

386 residents

Age 25 to 44
35%

1,184 residents

Age 45 to 64
27.8%

940 residents

Age 65 and over
12.5%

423 residents

This postcode contained 0% of the sector's usual residents on Census Day. The age profile describes the wider SL4 1 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
92.3%
Gigabit-capable
92.3%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

16

within 5 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    451 m

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    748 m

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    853 m

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    891 m

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    2.8 km

  • CHAPEL MEDICAL CENTRE

    SLOUGH WALK IN CENTRE, UPTON HOSPITAL, ALBERT STREET, SLOUGH, SL1 2BJ

    ODS code Y00265

    2.9 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    3.1 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    3.9 km

  • SHREEJI MEDICAL CENTRE

    22 WHITBY ROAD, SLOUGH, SL1 3DQ

    ODS code K81085

    4.0 km

  • CROSBY HOUSE SURGERY

    91 STOKE POGES LANE, SLOUGH, SL1 3NY

    ODS code K81034

    4.0 km

  • DR NABI

    261 BATH ROAD, SLOUGH, SL1 5PP

    ODS code K81608

    4.1 km

  • SLOUGH TREATMENT, ADVICE & RECOVERY TEAM

    ELLIMAN RESOURCE CENTRE, 27 PURSERS CLOSE, SLOUGH, SL2 5DL

    ODS code Y01253

    4.2 km

  • KUMAR MEDICAL CENTRE

    59 GRASMERE AVENUE, SLOUGH, SL2 5JE

    ODS code K81616

    4.4 km

  • 240 WEXHAM ROAD

    WEXHAM ROAD, SLOUGH, SL2 5JP

    ODS code K81645

    4.6 km

  • BHARANI MEDICAL CENTRE

    450 BATH ROAD, CIPPENHAM, SLOUGH, SL1 6BB

    ODS code K81083

    4.7 km

  • MANOR PARK MEDICAL CENTRE

    2 LERWICK DRIVE, SLOUGH, SL1 3XU

    ODS code K81086

    4.7 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Arthur Road

    BCT · Windsor

    0.1 miles

  • Arthur Road

    BCT · Windsor

    0.2 miles

  • Alma Road

    BCT · Windsor

    0.2 miles

  • Vansittart Road

    BCT · Windsor

    0.2 miles

  • Charles Street

    BCT · Windsor

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 012B, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

8 of 10

Overall England rank

26,507 of 33,755

Income
9 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
5 of 10
Housing and services
9 of 10
Living environment
1 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
0
Medium risk addresses
3
Low risk addresses
14
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Schools

71 open schools are in scope, including 30 primary and 18 secondary schools. Trinity St Stephen CofE Aided First School is the nearest published school at 228 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

2,465 published events cover 12 months, averaging 205.417 events per published month. The largest recorded category is Violence and sexual offences with 711 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.