SL4 3QS

Clewer East · Windsor and Maidenhead · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Windsor
Local authority
Windsor and Maidenhead
Constituency
Windsor
Postcode district
SL4
Postcode sector
SL4 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 3FF 77 m
SL4 3RD 82 m
SL4 3RB 89 m
SL4 3QY 105 m
SL4 3RN 128 m
Complete postcode fields and official codes
Postcode
SL4 3QS
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 3
Latitude
51.475823
Longitude
-0.631829
British National Grid easting
495,115
British National Grid northing
176,094

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Windsor and Maidenhead · E06000040
Parish or community
E43000259
Westminster constituency
Windsor · E14001588
Output area
E00083562
Lower layer super output area
Windsor and Maidenhead 014A · E01016548
Middle layer super output area
Windsor and Maidenhead 014 · E02003434

Postcode source versions

Explore SL4

5 recorded sales at this postcode
Address Date Price
66, Hatch Lane, Windsor, SL4 3QS 23 May 2013 £566,500
Oakdene, Hatch Lane, Windsor, SL4 3QS 3 March 2000 £178,000
70, Hatch Lane, Windsor, SL4 3QS 9 August 1999 £249,950

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
49
Primary
20
Secondary
12
  1. Clewer Green CofE First School

    Academy converter

    346 m
  2. Windsor Girls' School

    Academy converter

    480 m
  3. Oakfield First School

    Academy converter

    490 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,050
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 719
  • Anti social behaviour 216
  • Vehicle crime 192
  • Public order 167
  • Other theft 163

Census 2021

Population and age profile

Postcode residents
6

2 female, 4 male

Postcode households
3
Residents per household
2.0
SL4 3 residents
9,075

Age bands in SL4 3

Wider postcode sector
Age 0 to 14
17.2%

1,550 residents

Age 15 to 24
9.9%

891 residents

Age 25 to 44
27.9%

2,520 residents

Age 45 to 64
29.1%

2,627 residents

Age 65 and over
16%

1,449 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SL4 3 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

9

within 5 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    1.0 km

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    1.2 km

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    1.9 km

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    2.1 km

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    3.9 km

  • CHAPEL MEDICAL CENTRE

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

    ODS code Y00265

    4.2 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    4.3 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    4.4 km

  • DR NABI

    261 BATH ROAD, SLOUGH, SL1 5PP

    ODS code K81608

    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

  • St Andrew's Parade

    BCT · Clewer

    0.2 miles
  • St Andrew's Parade

    BCT · Clewer

    0.2 miles
  • Winton House

    BCT · Clewer

    0.2 miles
  • St Andrew's Crescent

    BCT · Clewer

    0.2 miles
  • Winton House

    BCT · Clewer

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 014A, 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

10 of 10

Overall England rank

31,952 of 33,755

Income
9 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
9 of 10
Housing and services
7 of 10
Living environment
6 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
1
Low risk addresses
2
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

49 open schools are in scope, including 20 primary and 12 secondary schools. Clewer Green CofE First School is the nearest published school at 346 m.

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

Recorded crime

2,050 published events cover 12 months, averaging 170.833 events per published month. The largest recorded category is Violence and sexual offences with 719 events.

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