SL4 4AT

Clewer & Dedworth 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 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 4BQ 108 m
SL4 4UN 171 m
SL4 4UL 173 m
SL4 4AL 175 m
SL4 4HL 186 m
Complete postcode fields and official codes
Postcode
SL4 4AT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 4
Latitude
51.469514
Longitude
-0.646084
British National Grid easting
494,138
British National Grid northing
175,374

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
E00083783
Lower layer super output area
Windsor and Maidenhead 015D · E01016597
Middle layer super output area
Windsor and Maidenhead 015 · E02003435

Postcode source versions

Explore SL4

59 recorded sales at this postcode
Address Date Price
The Bear House, St Leonards Hill, Windsor, SL4 4AT 30 January 2026 £2,490,000
Oaktree Cottage, St Leonards Hill, Windsor, SL4 4AT 4 September 2025 £1,500,000
Little Acorns, St Leonards Hill, Windsor, SL4 4AT 28 February 2024 £3,837,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
38
Primary
19
Secondary
8
  1. Hilltop First School

    Community school

    598 m
  2. Clewer Green CofE First School

    Academy converter

    944 m
  3. Alexander First School

    Community school

    1.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,054
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 434
  • Vehicle crime 103
  • Anti social behaviour 102
  • Other theft 86
  • Public order 79

Census 2021

Population and age profile

Postcode residents
115

59 female, 56 male

Postcode households
34
Residents per household
3.4
SL4 4 residents
10,568

Age bands in SL4 4

Wider postcode sector
Age 0 to 14
18.8%

2,099 residents

Age 15 to 24
9.7%

1,081 residents

Age 25 to 44
25.6%

2,858 residents

Age 45 to 64
26.6%

2,970 residents

Age 65 and over
19.3%

2,160 residents

This postcode contained 1.1% of the sector's usual residents on Census Day. The age profile describes the wider SL4 4 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+
56.4%
Ultrafast, 300 Mbit/s+
56.4%
Gigabit-capable
56.4%
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

5

within 5 km

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    2.2 km

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    2.3 km

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    3.0 km

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    3.3 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

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

Nearby transport

  • Washington Drive

    BCT · Dedworth

    0.2 miles
  • Wolf Lane

    BCT · Dedworth

    0.3 miles
  • Osgood Park

    BCT · Dedworth

    0.3 miles
  • Legoland Roundabout

    BCT · Legoland

    0.4 miles
  • Legoland Park & Ride

    BCT · Legoland

    0.4 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 015D, 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

33,383 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
10 of 10
Health and disability
10 of 10
Crime
10 of 10
Housing and services
6 of 10
Living environment
9 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
2
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

Property market

The five-year median is £2,057,500 from 6 recorded sales in SL4 4AT. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Windsor and Maidenhead is £576,992 in June 2026, down 2.2% year on year.

Schools

38 open schools are in scope, including 19 primary and 8 secondary schools. Hilltop First School is the nearest published school at 598 m.

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

Recorded crime

1,054 published events cover 12 months, averaging 87.833 events per published month. The largest recorded category is Violence and sexual offences with 434 events.

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