SL4 2SY

Old Windsor · Windsor and Maidenhead · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
Windsor and Maidenhead
Constituency
Windsor
Postcode district
SL4
Postcode sector
SL4 2

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 2QA 55 m
SL4 2QD 63 m
SL4 2SZ 105 m
SL4 2QR 111 m
SL4 2PY 127 m
Complete postcode fields and official codes
Postcode
SL4 2SY
Status
Current
Introduced
1 October 2008
Terminated
Not published
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 2
Latitude
51.463777
Longitude
-0.588138
British National Grid easting
498,175
British National Grid northing
174,812

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Parish or community
E04001220
Westminster constituency
Windsor · E14001588
Output area
E00083752
Lower layer super output area
Windsor and Maidenhead 016D · E01016588
Middle layer super output area
Windsor and Maidenhead 016 · E02003436

Postcode source versions

Explore SL4

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
53
Primary
23
Secondary
12
  1. St Peter's Church of England Middle School

    Academy sponsor led

    784 m
  2. King's Court First School

    Community school

    1.0 km
  3. Queensmead House School

    Other independent special school

    1.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
313
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 126
  • Vehicle crime 32
  • Criminal damage and arson 30
  • Other theft 25
  • Anti social behaviour 24

Census 2021

Population and age profile

Postcode residents
12

5 female, 7 male

Postcode households
8
Residents per household
1.5
SL4 2 residents
6,921

Age bands in SL4 2

Wider postcode sector
Age 0 to 14
16.5%

1,156 residents

Age 15 to 24
8.6%

606 residents

Age 25 to 44
21.2%

1,486 residents

Age 45 to 64
31%

2,169 residents

Age 65 and over
22.7%

1,591 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SL4 2 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+
100%
Gigabit-capable
100%
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

10

within 5 km

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    2.1 km

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    2.2 km

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    2.3 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    2.7 km

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    3.2 km

  • RUNNYMEDE MEDICAL PRACTICE

    BOND STREET, ENGLEFIELD GREEN, EGHAM, TW20 0PF

    ODS code H81047

    3.9 km

  • CHAPEL MEDICAL CENTRE

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

    ODS code Y00265

    4.6 km

  • GROVE MEDICAL CENTRE

    THE GROVE, EGHAM, TW20 9QJ

    ODS code H81066

    4.7 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    4.7 km

  • LANGLEY HEALTH CENTRE

    COMMON ROAD, LANGLEY, SLOUGH, SL3 8LE

    ODS code K81024

    4.8 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Clayhall Lane roundabout

    BCT · Old Windsor

    0.1 miles
  • Clayhall Lane roundabout

    BCT · Old Windsor

    0.1 miles
  • Toby Carvery

    BCT · Old Windsor

    0.2 miles
  • Toby Carvery

    BCT · Old Windsor

    0.2 miles
  • Toby Carvery

    BCT · Old Windsor

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 016D, 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

6 of 10

Overall England rank

18,185 of 33,755

Income
7 of 10
Employment
6 of 10
Education and skills
5 of 10
Health and disability
10 of 10
Crime
6 of 10
Housing and services
3 of 10
Living environment
3 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
0
Low risk addresses
0
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

53 open schools are in scope, including 23 primary and 12 secondary schools. St Peter's Church of England Middle School is the nearest published school at 784 m.

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

Recorded crime

313 published events cover 12 months, averaging 26.083 events per published month. The largest recorded category is Violence and sexual offences with 126 events.

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