# SL4 9HN: area report for a postcode in Windsor and Maidenhead

SL4 9HN is a postcode in Windsor and Maidenhead.

A postcode has no figures of its own: each layer is published for whole councils, neighbourhoods or exact points. The figures below are for the whole of Windsor and Maidenhead. Open the map at SL4 9HN for neighbourhoods and points.

In: [Windsor and Maidenhead](https://openindex.co.uk/windsor-and-maidenhead) › [SL4](https://openindex.co.uk/postcode/sl4) › [SL4 9](https://openindex.co.uk/postcode/sl4-9)

## Around this postcode

- **Windsor and Eton Central, 230 m**: About 3 minutes on foot. (Exact point) https://openindex.co.uk/map/stations?around=-0.6104,51.4812,SL49HN
- **6 schools within 800 m**: Nearest is 580 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.6104,51.4812,SL49HN
- **No property in SL4 9HN listed at risk of flooding**: From rivers or the sea, with flood defences, in the Environment Agency's assessment. (Postcode) https://openindex.co.uk/map/flood-risk-by-postcode?around=-0.6104,51.4812,SL49HN
- **4 GP practices within 1 km**: Nearest is 380 m away. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.6104,51.4812,SL49HN
- **6 supermarkets within 1 km**: Nearest is 40 m away. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.6104,51.4812,SL49HN
- **25% can get gigabit broadband**: Of homes and businesses in this output area, January 2026. (Output area) https://openindex.co.uk/map/gigabit-broadband?around=-0.6104,51.4812,SL49HN
- **Low road and rail noise at SL4 9HN**: Road 44 dB, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.6104,51.4812,SL49HN
- **In a radon Affected Area, class 2 of 6**: 1% to 3% of homes in this 1 km square are estimated to be at or above the radon Action Level. (1 km grid) https://openindex.co.uk/map/radon?around=-0.6104,51.4812,SL49HN
- **13.9 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.6104,51.4812,SL49HN

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [St George's School](https://openindex.co.uk/school/st-georges-school-e110131) | Independent | 580 m (7 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [Trinity St Stephen CofE Aided First School](https://openindex.co.uk/school/trinity-st-stephen-cofe-aided-first-school-e110023) | Primary | 610 m (8 minutes on foot) | School remains Good, January 2023 | – |
| [The Green Room School](https://openindex.co.uk/school/the-green-room-school-e141225) | Special | 650 m (8 minutes on foot) | No outcome in Ofsted's file | – |
| [Upton House School](https://openindex.co.uk/school/upton-house-school-e110130) | Independent | 660 m (8 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [The King's House School, Windsor](https://openindex.co.uk/school/the-kings-house-school-windsor-e138768) | Independent | 700 m (9 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [The Windsor Boys' School](https://openindex.co.uk/school/the-windsor-boys-school-e141844) | Secondary | 760 m (9 minutes on foot) | School remains Good, May 2023 | Attainment 8 of 48.0 (2025/26, provisional) |
| [The Queen Anne Royal Free CofE Controlled First School](https://openindex.co.uk/school/the-queen-anne-royal-free-cofe-controlled-first-school-e109997) | Primary | 850 m (11 minutes on foot) | Graded inspection, November 2024: no overall grade | – |
| [Eton Porny CofE First School](https://openindex.co.uk/school/eton-porny-cofe-first-school-e142576) | Primary | 930 m (12 minutes on foot) | School remains Good, April 2024 | – |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| June 2026 | £300,000 | Flat or maisonette, established, leasehold | 50 m |
| February 2026 | £272,000 | Flat or maisonette, established, leasehold | 110 m |
| December 2023 | £390,000 | Flat or maisonette, established, leasehold | 120 m |
| April 2024 | £851,000 | Flat or maisonette, established, leasehold | 140 m |
| January 2023 | £325,000 | Semi-detached, established, freehold | 140 m |
| May 2025 | £285,000 | Flat or maisonette, established, leasehold | 160 m |
| November 2024 | £332,000 | Flat or maisonette, established, leasehold | 180 m |
| May 2026 | £360,000 | Flat or maisonette, established, leasehold | 180 m |

## Within 1 km

- Stations: Windsor and Eton Central (230 m, 3 minutes on foot); Windsor and Eton Riverside (560 m, 7 minutes on foot)
- GP practices: SHEET STREET SURGERY (380 m); CLARENCE MEDICAL CENTRE (560 m); LEE HOUSE SURGERY (670 m); SOUTH MEADOW SURGERY (840 m)
- Pharmacies: SUPERDRUG PHARMACY (120 m); BOOTS (120 m); WINDSOR PHARMACY (270 m); ETON PHARMACY (860 m)
- Dental practices: SMILE ROOMS (110 m); DENTAL SURGERY (400 m); COMPLETE DENTAL (430 m); ALMA MEDICA (450 m); OXFORD ROAD DENTAL SURGERY (500 m)
- Supermarkets: Tesco Windsor Peascod (40 m, Tesco); M&S Windsor (80 m, Marks and Spencer); Waitrose Windsor (150 m, Waitrose); Co-op Windsor (260 m, The Southern Co-operative); Co-op Arthur Road Windsor (390 m, The Southern Co-operative)

## Key figures

- **Average house price: £575,036** (July 2026). Windsor and Maidenhead’s average house price was £575,036 in July 2026 (HM Land Registry). Down 3.9% in a year. Source: UK House Price Index, July 2026. Published 16 September 2026.
- **Median full-time pay: £47,387** (2025). Full-time workers living in Windsor and Maidenhead earned a median of £47,387 in 2025 (ONS earnings survey). 27th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 12.1×** (2025). A home in Windsor and Maidenhead costs 12.1 times local full-time pay. Joint 20th least affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 16 September 2026.
- **Deprivation score: 8.9** (2025). Windsor and Maidenhead has a deprivation score of 8.9 in the English Indices of Deprivation 2025 (MHCLG). 12th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Windsor and Maidenhead 010A (Neighbourhood)

- **Deprivation score: 9.6** (2025). Windsor and Maidenhead 010A has a deprivation score of 9.6 in the English Indices of Deprivation 2025 (MHCLG). Joint 8,252nd least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £590,428** (2025). The median price paid for a home in Windsor and Maidenhead 010A was £590,428 in 2025. 2,823rd most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 2,004** (2021). Windsor and Maidenhead 010A had 2,004 usual residents at the census (ONS Census 2021). Joint 5,218th most populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **Gigabit broadband coverage: 48.1%** (January 2026). In Windsor and Maidenhead 010A, 48.1% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026.

## SL4 (Postcode district)

- **Median sale price: £517,250** (2025). The median price paid for a home in SL4 was £517,250 in 2025. 251st most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 45,871** (2021). SL4 had 45,871 usual residents at the census (ONS Census 2021). 289th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026.
- **People in radon Affected Area squares: 23%** (2022). About 23% of people in SL4 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022.
- **Gigabit broadband coverage: 83.5%** (January 2026). In SL4, 83.5% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026.

## About

- Type: Postcode
- Council: [Windsor and Maidenhead](https://openindex.co.uk/windsor-and-maidenhead)
- Centre: 51.4812, -0.6104

Council: [Windsor and Maidenhead](https://openindex.co.uk/windsor-and-maidenhead) (Unitary authority, 100%).

## Your MP

- [Windsor](https://openindex.co.uk/constituency/windsor): Jack Rankin (Conservative), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Sources

- [Rail and Tube stations](https://openindex.co.uk/sources/stations), 2024/25 (Exact point)
- [Schools](https://openindex.co.uk/sources/schools) (Exact point)
- [Flood risk by postcode](https://openindex.co.uk/sources/flood-risk-by-postcode), June 2026 (Postcode)
- [GP practices](https://openindex.co.uk/sources/gp-practices) (Postcode)
- [Supermarkets](https://openindex.co.uk/sources/supermarkets) (Exact point)
- [Gigabit broadband coverage](https://openindex.co.uk/sources/gigabit-broadband), January 2026 (Output area)
- [Road and rail noise by postcode](https://openindex.co.uk/sources/noise-by-postcode), 2021 (Postcode)
- [Radon potential](https://openindex.co.uk/sources/radon) (1 km grid)
- [Nitrogen dioxide (NO2)](https://openindex.co.uk/sources/nitrogen-dioxide), 2025 (1 km grid)

On the map: https://openindex.co.uk/map/sold-prices?around=-0.6104,51.4812,SL49HN

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sl4-9hn.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/postcode/sl4-9hn