SL4 3UW

Eton & Castle · 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 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 3EX 42 m
SL4 3EP 47 m
SL4 3EN 72 m
SL4 3EY 77 m
SL4 3PL 91 m
Complete postcode fields and official codes
Postcode
SL4 3UW
Status
Terminated
Introduced
1 February 1990
Terminated
1 January 1995
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 3
Latitude
51.475694
Longitude
-0.616210
British National Grid easting
496,200
British National Grid northing
176,100

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
E00083538
Lower layer super output area
Windsor and Maidenhead 012A · E01016545
Middle layer super output area
Windsor and Maidenhead 012 · E02003432

Postcode source versions

Explore SL4

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
55
Primary
21
Secondary
14
  1. Upton House School

    Other independent school

    188 m
  2. The King's House School, Windsor

    Other independent school

    343 m
  3. Oakfield First School

    Academy converter

    598 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,440
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 712
  • Shoplifting 306
  • Anti social behaviour 228
  • Other theft 204
  • Public order 198

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
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

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.

GP practices

11

within 5 km straight-line

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    101 m

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    430 m

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    865 m

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    1.5 km

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    2.9 km

  • CHAPEL MEDICAL CENTRE

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

    ODS code Y00265

    3.7 km

  • HERSCHEL MEDICAL CENTRE

    45 OSBORNE STREET, SLOUGH, SL1 1TT

    ODS code K81043

    3.8 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    4.7 km

  • SHREEJI MEDICAL CENTRE

    22 WHITBY ROAD, SLOUGH, SL1 3DQ

    ODS code K81085

    4.8 km

  • CROSBY HOUSE SURGERY

    91 STOKE POGES LANE, SLOUGH, SL1 3NY

    ODS code K81034

    4.8 km

  • DR NABI

    261 BATH ROAD, SLOUGH, SL1 5PP

    ODS code K81608

    4.9 km

Nearby transport

  • King Edward VII Hospital

    BCT · Windsor

    0.1 miles
  • King Edward VII Hospital

    BCT · Windsor

    0.1 miles
  • King Edward VII Hospital

    BCT · Windsor

    0.2 miles
  • Alexandra Road

    BCT · Windsor

    0.2 miles
  • Alexandra Road

    BCT · Windsor

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Windsor and Maidenhead 012A, 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

7 of 10

Overall England rank

22,393 of 33,755

Income
6 of 10
Employment
7 of 10
Education and skills
8 of 10
Health and disability
10 of 10
Crime
3 of 10
Housing and services
8 of 10
Living environment
4 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.

Evidence in context

Schools

55 open schools are in scope, including 21 primary and 14 secondary schools. Upton House School is the nearest published school at 188 m.

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

Recorded crime

2,440 published events cover 12 months, averaging 203.333 events per published month. The largest recorded category is Violence and sexual offences with 712 events.

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