Schools
57 open schools are in scope, including 23 primary and 14 secondary schools. Upton House School is the nearest published school at 288 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SL4 3HE
Eton & Castle · Windsor and Maidenhead · England
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- 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 3HE
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SL
- Postcode district
- SL4
- Postcode sector
- SL4 3
- Latitude
- 51.476820
- Longitude
- -0.617126
- British National Grid easting
- 496,134
- British National Grid northing
- 176,224
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
- E00083538
- 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
- 57
- Primary
- 23
- Secondary
- 14
- 288 m
Upton House School
Other independent school
- 447 m
The King's House School, Windsor
Other independent school
- 538 m
Oakfield First School
Academy converter
Recorded crime
Within 1 mile of this postcode
- Published events
- 2,496
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 732
- Shoplifting 307
- Anti social behaviour 237
- Other theft 206
- 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.
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+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- 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
12
within 5 km
LEE HOUSE SURGERY
84 OSBORNE ROAD, WINDSOR, SL4 3EW
ODS code K81046
196 m
CLARENCE MEDICAL CENTRE
VANSITTART ROAD, WINDSOR, SL4 5AS
ODS code K81074
293 m
SHEET STREET SURGERY
21 SHEET STREET, WINDSOR, SL4 1BZ
ODS code K81068
867 m
SOUTH MEADOW SURGERY
3 CHURCH CLOSE, ETON, WINDSOR, SL4 6AP
ODS code K81630
1.4 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
3.6 km
HERSCHEL MEDICAL CENTRE
45 OSBORNE STREET, SLOUGH, SL1 1TT
ODS code K81043
3.7 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
4.7 km
CROSBY HOUSE SURGERY
91 STOKE POGES LANE, SLOUGH, SL1 3NY
ODS code K81034
4.7 km
DR NABI
261 BATH ROAD, SLOUGH, SL1 5PP
ODS code K81608
4.8 km
SLOUGH TREATMENT, ADVICE & RECOVERY TEAM
ELLIMAN RESOURCE CENTRE, 27 PURSERS CLOSE, SLOUGH, SL2 5DL
ODS code Y01253
4.9 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
- 0.2 miles
King Edward VII Hospital
BCT · Windsor
- 0.2 miles
King Edward VII Hospital
BCT · Windsor
- 0.2 miles
King Edward VII Hospital
BCT · Windsor
- 0.2 miles
Alma Road
BCT · Windsor
- 0.3 miles
Vansittart Road
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.
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
- 0
- Low risk addresses
- 0
- 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
Recorded crime
2,496 published events cover 12 months, averaging 208 events per published month. The largest recorded category is Violence and sexual offences with 732 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.