SL4 3DG
PostcodeA postcode in Windsor and Maidenhead 015A, Eton & Castle ward, Windsor and Maidenhead.
This report describes the area around SL4 3DG, not any one home. Each figure is shown at the level it was published: the postcode, a 1 km square, the neighbourhood or the whole council, as its tag says.
Around SL4 3DG
- 19 crimes within 500 mAugust, down 34% on JulyWindsor and Maidenhead 015A: 63 a year per 1,000 peopleMap point
- Windsor and Eton Central, 1 kmAbout 13 minutes on footExact point
- 7 schools within 800 mNearest is 140 m awayExact point
- No property in SL4 3DG listed at risk of floodingFrom rivers or the sea, with flood defences, in the Environment Agency's assessmentPostcode
- England’s least deprived 10%This neighbourhood, Windsor and Maidenhead 015ANeighbourhood
- £583,688 average priceFor the whole of Windsor and Maidenhead, August 2026Council
- 3 GP practices within 1 kmNearest is 130 m awayPostcode
- 6 supermarkets within 1 kmNearest is 600 m awayExact point
- 46.2% can get gigabit broadband at SL4 3DGSuperfast for 100%. What can be ordered, January 2026Postcode
- Moderate road and rail noise at SL4 3DGRoad 60 dB, rail under 40 dB or not modelled (Lden, modelled for 2021)Postcode
- Not in a radon Affected AreaUnder 1% of homes in this 1 km square are estimated to be at or above the radon Action Level1 km grid
- 13.9 µg/m³ nitrogen dioxideModelled yearly average for this 1 km square, 20251 km grid
Schools near SL4 3DG
Within 2 km, nearest first| School | Distance | Latest Ofsted outcome |
|---|---|---|
| Upton House School Independent | 140 m 2 minutes on foot | Not in Ofsted's state-funded schools file |
| The King's House School, Windsor Independent | 250 m 3 minutes on foot | Not in Ofsted's state-funded schools file |
| The Queen Anne Royal Free CofE Controlled First School Primary | 540 m 7 minutes on foot | Graded inspection, November 2024: no overall grade |
| Trevelyan Middle School Secondary. 63% met the expected standard at KS2 (2024/25) | 590 m 7 minutes on foot | Standards maintained, December 2024 |
| Queensmead House School Special | 610 m 8 minutes on foot | No outcome in Ofsted's file |
| The Lawns Nursery School Nursery | 700 m 9 minutes on foot | School remains Outstanding, July 2024 |
| Oakfield First School Primary | 700 m 9 minutes on foot | Standards maintained, January 2025 |
| The Green Room School Special | 840 m 10 minutes on foot | No outcome in Ofsted's file |
Distances are in a straight line. Councils and schools set catchments and admissions, which Open Index doesn’t map: the council’s schools pages. Ofsted outcomes are as published, each with its date; grades under different frameworks can’t be compared.
Recent sales near SL4 3DG
Latest sale at each postcode- £655,000St Leonards Road, SL4 3DJAugust 2025, terraced, established, freehold50 m
- £706,000Alma Road, SL4 3EUSeptember 2023, detached, established, freehold60 m
- £320,000St Leonards Road, SL4 3DQOctober 2023, flat or maisonette, established, leasehold70 m
- £315,000Knights Place, SL4 3LFApril 2026, flat or maisonette, established, leasehold70 m
- £275,000Alma Road, SL4 3EYMay 2024, flat or maisonette, established, leasehold100 m
- £337,500Osborne Road, SL4 3EPAugust 2025, flat or maisonette, established, leasehold110 m
- £295,000Springfield Road, SL4 3PLAugust 2024, flat or maisonette, established, leasehold110 m
- £317,500Knights Place, SL4 3LEJanuary 2026, flat or maisonette, established, leasehold110 m
HM Land Registry sales at nearby postcodes, by street and postcode only, never a house number. Sales take weeks to be registered. Every sale on the map
Within 1 km of SL4 3DG
In a straight lineGP practices
- LEE HOUSE SURGERY130 m
- CLARENCE MEDICAL CENTRE560 m
- SHEET STREET SURGERY860 m
Pharmacies
- WINDSOR PHARMACY520 m
- SUPERDRUG PHARMACY900 m
- BOOTS900 m
Dental practices
- DENTAL SURGERY10 m
- WINDSOR DENTAL CENTRE230 m
- COMPLETE DENTAL360 m
- ALMA MEDICA540 m
- DENTAL SURGERY560 m
Supermarkets
- Morrisons Daily Windsor SpringfieldMorrisons600 m
- Tesco Windsor PeascodTesco830 m
- Co-op Arthur Road WindsorThe Southern Co-operative870 m
- M&S WindsorMarks and Spencer870 m
- Waitrose WindsorWaitrose910 m
The neighbourhood: Windsor and Maidenhead 015A
Everything about Windsor and Maidenhead 015AThe postcode district: SL4
Everything about SL4Your MP
- Jack RankinConservativeMP for Windsor
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Where these figures come from
- Street-level crimeAugust 2026Map point
- Rail and Tube stations2024/25Exact point
- SchoolsExact point
- Flood risk by postcodeJune 2026Postcode
- English Indices of Deprivation 20252025Neighbourhood
- Average house priceAugust 2026Council
- GP practicesPostcode
- SupermarketsExact point
- Broadband by postcodeJanuary 2026Postcode
- Road and rail noise by postcode2021Postcode
- Radon potential1 km grid
- Nitrogen dioxide (NO2)20251 km grid
Counts, distances and walking times are worked out by Open Index from each layer’s published points and outlines, in a straight line from the postcode’s centre. Street names © OpenStreetMap contributors.