# SL3 9NG: area report for a postcode in Windsor and Maidenhead

SL3 9NG 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 SL3 9NG for neighbourhoods and points.

In: [Windsor and Maidenhead](https://openindex.co.uk/windsor-and-maidenhead) › [SL3](https://openindex.co.uk/postcode/sl3) › [SL3 9](https://openindex.co.uk/postcode/sl3-9)

## Around this postcode

- **13 crimes within 500 m**: August, the same as July. Windsor and Maidenhead 011A: 78 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-0.5657,51.4851,SL39NG
- **Datchet, 980 m**: About 12 minutes on foot. (Exact point) https://openindex.co.uk/map/stations?around=-0.5657,51.4851,SL39NG
- **No schools within 800 m**: Nearest is 910 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.5657,51.4851,SL39NG
- **12 of 12 properties in SL3 9NG at low risk of flooding**: From rivers or the sea, with flood defences. Flood zones, which ignore defences: in flood zone 2. (Postcode) https://openindex.co.uk/map/flood-risk-by-postcode?around=-0.5657,51.4851,SL39NG
- **England’s least deprived 50%**: This neighbourhood, Windsor and Maidenhead 011A. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=-0.5657,51.4851,SL39NG
- **£583,688 average price**: For the whole of Windsor and Maidenhead, August 2026. (Council) https://openindex.co.uk/map/house-prices?around=-0.5657,51.4851,SL39NG
- **1 GP practice within 1 km**: Nearest is 810 m away. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.5657,51.4851,SL39NG
- **1 supermarket within 1 km**: Nearest is 490 m away. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.5657,51.4851,SL39NG
- **Gigabit broadband for every home and business at SL3 9NG**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-0.5657,51.4851,SL39NG
- **Moderate road and rail noise at SL3 9NG**: Road 56 dB, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.5657,51.4851,SL39NG
- **Not in a radon Affected Area**: Under 1% 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=-0.5657,51.4851,SL39NG
- **18.0 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.5657,51.4851,SL39NG

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [Datchet St Mary's CofE Primary School](https://openindex.co.uk/school/datchet-st-marys-cofe-primary-school-e137788) | Primary | 910 m (11 minutes on foot) | School remains Good, February 2024 | 60% met the expected standard at KS2 (2024/25) |
| [Churchmead Church of England (VA) School](https://openindex.co.uk/school/churchmead-church-of-england-va-school-e133580) | Secondary | 990 m (12 minutes on foot) | Graded inspection, November 2024: no overall grade | Attainment 8 of 42.8 (2025/26, provisional) |
| [Castleview Primary School](https://openindex.co.uk/school/castleview-primary-school-e138659) | Primary | 1.4 km (18 minutes on foot) | Report card, February 2026: safeguarding met | 70% met the expected standard at KS2 (2024/25) |
| [Ditton Park Academy](https://openindex.co.uk/school/ditton-park-academy-e141009) | Secondary | 1.5 km (19 minutes on foot) | School remains Good, March 2023 | Attainment 8 of 45.7 (2025/26, provisional) |
| [Eton End School](https://openindex.co.uk/school/eton-end-school-e110161) | Independent | 1.6 km (20 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [Holy Family Catholic Primary School](https://openindex.co.uk/school/holy-family-catholic-primary-school-e151043) | Primary | 1.7 km (21 minutes on foot) | Report card, March 2026: safeguarding met | 77% met the expected standard at KS2 (2024/25) |
| [Langley Grammar School](https://openindex.co.uk/school/langley-grammar-school-e136521) | Secondary | 1.8 km (22 minutes on foot) | Report card, February 2026: safeguarding met | Attainment 8 of 78.0 (2025/26, provisional) |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| February 2023 | £475,000 | Semi-detached, established, freehold | 10 m |
| October 2024 | £440,000 | Semi-detached, established, freehold | 70 m |
| August 2025 | £425,000 | Flat or maisonette, established, leasehold | 90 m |
| May 2026 | £725,000 | Semi-detached, established, freehold | 100 m |
| June 2025 | £465,000 | Semi-detached, established, freehold | 100 m |
| January 2026 | £700,000 | Semi-detached, established, freehold | 200 m |
| May 2023 | £605,000 | Semi-detached, established, freehold | 220 m |
| March 2024 | £380,000 | Semi-detached, established, freehold | 220 m |

## Within 1 km

- Stations: Datchet (980 m, 12 minutes on foot)
- GP practices: DATCHET HEALTH CENTRE (810 m)
- Pharmacies: DATCHET VILLAGE PHARMACY (980 m)
- Dental practices: HORTON ROAD (DENTAL SURGERY) (800 m)
- Supermarkets: Tesco Datchet Express (490 m, Tesco)

## Key figures

- **Average house price: £583,688** (August 2026). Windsor and Maidenhead’s average house price was £583,688 in August 2026 (HM Land Registry). Down 0.2% in a year. Source: UK House Price Index, August 2026. Published 21 October 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: 12.3×** (2025). A home in Windsor and Maidenhead costs 12.3 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 21 October 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 011A (Neighbourhood)

- **Deprivation score: 14.4** (2025). Windsor and Maidenhead 011A has a deprivation score of 14.4 in the English Indices of Deprivation 2025 (MHCLG). Joint 13,728th least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £650,000** (2025). The median price paid for a home in Windsor and Maidenhead 011A was £650,000 in 2025. Joint 2,011th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 1,765** (2021). Windsor and Maidenhead 011A had 1,765 usual residents at the census (ONS Census 2021). Joint 11,052nd 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: 95.9%** (January 2026). In Windsor and Maidenhead 011A, 95.9% 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.

## SL3 (Postcode district)

- **Median sale price: £453,000** (2025). The median price paid for a home in SL3 was £453,000 in 2025. Joint 407th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 50,366** (2021). SL3 had 50,366 usual residents at the census (ONS Census 2021). 202nd 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: 4%** (2022). About 4% of people in SL3 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: 91.9%** (January 2026). In SL3, 91.9% 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: 51.4851, -0.5657

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

- [Street-level crime](https://openindex.co.uk/sources/street-crime), August 2026 (Map point)
- [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)
- [English Indices of Deprivation 2025](https://openindex.co.uk/sources/deprivation-england), 2025 (Neighbourhood)
- [Average house price](https://openindex.co.uk/sources/house-prices), August 2026 (Council)
- [GP practices](https://openindex.co.uk/sources/gp-practices) (Postcode)
- [Supermarkets](https://openindex.co.uk/sources/supermarkets) (Exact point)
- [Broadband by postcode](https://openindex.co.uk/sources/broadband-by-postcode), January 2026 (Postcode)
- [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=-0.5657,51.4851,SL39NG

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sl3-9ng.

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 2026.10.9. The HTML page: https://openindex.co.uk/postcode/sl3-9ng