Schools
66 open schools are in scope, including 26 primary and 16 secondary schools. Upton House School is the nearest published school at 324 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SL4 3AY
Eton & Castle · Windsor and Maidenhead · England
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Eton & Castle
- Local authority
- Windsor and Maidenhead
- Constituency
- Windsor
- Postcode district
- SL4
- Postcode sector
- SL4 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SL4 3AY
- Status
- Terminated
- Introduced
- 1 January 1980
- Terminated
- 1 August 2001
- Postcode area
- SL
- Postcode district
- SL4
- Postcode sector
- SL4 3
- Latitude
- 51.478373
- Longitude
- -0.614688
- British National Grid easting
- 496,300
- British National Grid northing
- 176,400
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
- E00083532
- Lower layer super output area
- Windsor and Maidenhead 012A · E01016545
- Middle layer super output area
- Windsor and Maidenhead 012 · E02003432
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SL4
Schools
Within 3.1 miles of this postcode
- Open schools
- 66
- Primary
- 26
- Secondary
- 16
- 324 m
Upton House School
Other independent school
- 443 m
The King's House School, Windsor
Other independent school
- 504 m
Trinity St Stephen CofE Aided First School
Voluntary aided school
Recorded crime
Within 1 mile of this postcode
- Published events
- 2,407
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 699
- Shoplifting 307
- Anti social behaviour 220
- Other theft 201
- Public order 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%
- Age 15 to 24
- 9.9%
- Age 25 to 44
- 27.9%
- Age 45 to 64
- 29.1%
- Age 65 and over
- 16%
1,550 residents
891 residents
2,520 residents
2,627 residents
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
14
within 5 km straight-line
CLARENCE MEDICAL CENTRE
VANSITTART ROAD, WINDSOR, SL4 5AS
ODS code K81074
253 m
LEE HOUSE SURGERY
84 OSBORNE ROAD, WINDSOR, SL4 3EW
ODS code K81046
282 m
SHEET STREET SURGERY
21 SHEET STREET, WINDSOR, SL4 1BZ
ODS code K81068
655 m
SOUTH MEADOW SURGERY
3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP
ODS code K81630
1.2 km
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
3.3 km
HERSCHEL MEDICAL CENTRE
45 OSBORNE STREET, SLOUGH, SL1 1TT
ODS code K81043
3.5 km
THE VILLAGE MEDICAL CENTRE
45 MERCIAN WAY, CHIPPENHAM, SLOUGH, SL1 5ND
ODS code K81082
4.5 km
SHREEJI MEDICAL CENTRE
22 WHITBY ROAD, SLOUGH, SL1 3DQ
ODS code K81085
4.5 km
CROSBY HOUSE SURGERY
91 STOKE POGES LANE, SLOUGH, SL1 3NY
ODS code K81034
4.5 km
DR NABI
261 BATH ROAD, SLOUGH, SL1 5PP
ODS code K81608
4.7 km
SLOUGH TREATMENT, ADVICE & RECOVERY TEAM
ELLIMAN RESOURCE CENTRE, 27 PURSERS CLOSE, SLOUGH, SL2 5DL
ODS code Y01253
4.7 km
KUMAR MEDICAL CENTRE
59 GRASMERE AVENUE, SLOUGH, SL2 5JE
ODS code K81616
4.8 km
240 WEXHAM ROAD
WEXHAM ROAD, SLOUGH, SL2 5JP
ODS code K81645
5.0 km
Nearby transport
- 0.1 miles
Alma Road
BCT · Windsor
- 0.2 miles
Alma Road
BCT · Windsor
- 0.2 miles
William Street
BCT · Windsor
- 0.2 miles
William Street
BCT · Windsor
- 0.2 miles
Charles Street
BCT · Windsor
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
Recorded crime
2,407 published events cover 12 months, averaging 200.583 events per published month. The largest recorded category is Violence and sexual offences with 699 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.