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SL4 3LH

Eton & Castle · Windsor and Maidenhead · England

Updated September 2026

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Location overview

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Ward
Eton & Castle
Local authority
Windsor and Maidenhead
Constituency
Windsor
Postcode district
SL4
Postcode sector
SL4 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SL4 3HU 8 m
SL4 1QZ 81 m
SL4 1RT 81 m
SL4 3HY 83 m
SL4 1SS 111 m
Complete postcode fields and official codes
Postcode
SL4 3LH
Status
Terminated
Introduced
1 August 1993
Terminated
1 July 2004
Postcode area
SL
Postcode district
SL4
Postcode sector
SL4 3
Latitude
51.483322
Longitude
-0.614913
British National Grid easting
496,274
British National Grid northing
176,950

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

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
72
Primary
30
Secondary
19

  1. Trinity St Stephen CofE Aided First School

    Voluntary aided school

    331 m

  2. The Green Room School

    Other independent special school

    390 m

  3. The Windsor Boys' School

    Academy converter

    426 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,380
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 674
  • Shoplifting 307
  • Anti social behaviour 217
  • Public order 202
  • Other theft 200

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

16

within 5 km straight-line

  • CLARENCE MEDICAL CENTRE

    VANSITTART ROAD, WINDSOR, SL4 5AS

    ODS code K81074

    484 m

  • SOUTH MEADOW SURGERY

    3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP

    ODS code K81630

    685 m

  • SHEET STREET SURGERY

    21 SHEET STREET, WINDSOR, SL4 1BZ

    ODS code K81068

    772 m

  • LEE HOUSE SURGERY

    84 OSBORNE ROAD, WINDSOR, SL4 3EW

    ODS code K81046

    833 m

  • DATCHET HEALTH CENTRE

    GREEN LANE, DATCHET, SLOUGH, SL3 9EX

    ODS code K81021

    2.7 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

    3.0 km

  • SHREEJI MEDICAL CENTRE

    22 WHITBY ROAD, SLOUGH, SL1 3DQ

    ODS code K81085

    3.9 km

  • THE VILLAGE MEDICAL CENTRE

    45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND

    ODS code K81082

    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

    4.3 km

  • 240 WEXHAM ROAD

    WEXHAM ROAD, SLOUGH, SL2 5JP

    ODS code K81645

    4.5 km

  • MANOR PARK MEDICAL CENTRE

    2 LERWICK DRIVE, SLOUGH, SL1 3XU

    ODS code K81086

    4.7 km

  • BHARANI MEDICAL CENTRE

    450 BATH ROAD, CIPPENHAM, SLOUGH, SL1 6BB

    ODS code K81083

    4.8 km

Nearby transport

  • Arthur Road

    BCT · Windsor

    0.1 miles

  • Arthur Road

    BCT · Windsor

    0.1 miles

  • Charles Street

    BCT · Windsor

    0.2 miles

  • Windsor & Eton Central Rail Station

    RSE

    0.2 miles

  • Windsor & Eton Central Rail Station

    RLY

    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.

Evidence in context

Schools

72 open schools are in scope, including 30 primary and 19 secondary schools. Trinity St Stephen CofE Aided First School is the nearest published school at 331 m.

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

Recorded crime

2,380 published events cover 12 months, averaging 198.333 events per published month. The largest recorded category is Violence and sexual offences with 674 events.

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