# SL9 9HQ: area report for a postcode in Buckinghamshire

SL9 9HQ is a postcode in Buckinghamshire.

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 Buckinghamshire. Open the map at SL9 9HQ for neighbourhoods and points.

In: [Buckinghamshire](https://openindex.co.uk/buckinghamshire) › [SL9](https://openindex.co.uk/postcode/sl9) › [SL9 9](https://openindex.co.uk/postcode/sl9-9)

## Around this postcode

- **2 crimes within 500 m**: August, down 33% on July. Buckinghamshire 054C: 47 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-0.5665,51.6023,SL99HQ
- **Gerrards Cross, 1.7 km**: About 21 minutes on foot. (Exact point) https://openindex.co.uk/map/stations?around=-0.5665,51.6023,SL99HQ
- **2 schools within 800 m**: Nearest is 390 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.5665,51.6023,SL99HQ
- **No property in SL9 9HQ 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=-0.5665,51.6023,SL99HQ
- **England’s least deprived 20%**: This neighbourhood, Buckinghamshire 054C. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=-0.5665,51.6023,SL99HQ
- **£479,736 average price**: For the whole of Buckinghamshire, July 2026. (Council) https://openindex.co.uk/map/house-prices?around=-0.5665,51.6023,SL99HQ
- **3 GP practices within 1 km**: Nearest is 630 m away. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.5665,51.6023,SL99HQ
- **3 supermarkets within 1 km**: Nearest is 770 m away. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.5665,51.6023,SL99HQ
- **Gigabit broadband for every home and business at SL9 9HQ**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-0.5665,51.6023,SL99HQ
- **Low road and rail noise at SL9 9HQ**: Road under 40 dB or not modelled, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.5665,51.6023,SL99HQ
- **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=-0.5665,51.6023,SL99HQ
- **12.2 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.5665,51.6023,SL99HQ

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [St Joseph's Catholic Primary School](https://openindex.co.uk/school/st-josephs-catholic-primary-school-e148671) | Primary | 390 m (5 minutes on foot) | Improved significantly, May 2025 | 74% met the expected standard at KS2 (2024/25) |
| [Maltman's Green School](https://openindex.co.uk/school/maltmans-green-school-e110543) | Independent | 550 m (7 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [Chalfont St Peter CofE Academy](https://openindex.co.uk/school/chalfont-st-peter-cofe-academy-e136726) | Primary | 840 m (10 minutes on foot) | Some aspects not as strong, May 2025 | 78% met the expected standard at KS2 (2024/25) |
| [Gayhurst School](https://openindex.co.uk/school/gayhurst-school-e110541) | Independent | 870 m (11 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [The Chalfonts Community College](https://openindex.co.uk/school/the-chalfonts-community-college-e137215) | Secondary | 880 m (11 minutes on foot) | Good (overall), November 2022 | Attainment 8 of 41.1 (2025/26, provisional) |
| [Chalfont St Peter Infant School](https://openindex.co.uk/school/chalfont-st-peter-infant-school-e110269) | Primary | 950 m (12 minutes on foot) | Graded inspection, October 2024: no overall grade | – |
| [Thorpe House School](https://openindex.co.uk/school/thorpe-house-school-e110555) | Independent | 1.1 km (13 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [St Mary's School](https://openindex.co.uk/school/st-marys-school-e110544) | Independent | 1.4 km (18 minutes on foot) | Not in Ofsted's state-funded schools file | – |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| March 2026 | £730,000 | Semi-detached, established, freehold | 10 m |
| July 2026 | £683,000 | Semi-detached, established, freehold | 90 m |
| December 2024 | £326,000 | Flat or maisonette, established, leasehold | 120 m |
| December 2025 | £542,000 | Terraced, established, freehold | 120 m |
| May 2024 | £625,000 | Semi-detached, established, freehold | 150 m |
| March 2025 | £375,000 | Flat or maisonette, established, leasehold | 160 m |
| November 2023 | £392,500 | Terraced, established, freehold | 170 m |
| June 2025 | £430,000 | Semi-detached, established, freehold | 170 m |

## Within 1 km

- GP practices: THE HALL PRACTICE (630 m); THE ALLAN PRACTICE (640 m); THE MISBOURNE SURGERY (840 m)
- Pharmacies: RICHARD ADAMS PHARMACY (830 m); VANTAGE PHARMACY (900 m)
- Dental practices: MARKET HOUSE DENTAL SURGERY (630 m); DENTAL SURGERY (850 m)
- Supermarkets: Tesco Chalfont St Peter Express (770 m, Tesco); M&S Chalfont St Peter Foodhall (930 m, Marks and Spencer); Morrisons Daily Chalfont St Peter High St (940 m, Morrisons)

## Key figures

- **Average house price: £479,736** (July 2026). Buckinghamshire’s average house price was £479,736 in July 2026 (HM Land Registry). Up 1.1% in a year. Source: UK House Price Index, July 2026. Published 16 September 2026.
- **Median full-time pay: £43,290** (2025). Full-time workers living in Buckinghamshire earned a median of £43,290 in 2025 (ONS earnings survey). 81st highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 11.1×** (2025). A home in Buckinghamshire costs 11.1 times local full-time pay. Joint 31st 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: 11.9** (2025). Buckinghamshire has a deprivation score of 11.9 in the English Indices of Deprivation 2025 (MHCLG). 47th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Buckinghamshire 054C (Neighbourhood)

- **Deprivation score: 6.7** (2025). Buckinghamshire 054C has a deprivation score of 6.7 in the English Indices of Deprivation 2025 (MHCLG). Joint 4,734th least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £660,000** (2025). The median price paid for a home in Buckinghamshire 054C was £660,000 in 2025. Joint 1,927th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 2,379** (2021). Buckinghamshire 054C had 2,379 usual residents at the census (ONS Census 2021). Joint 1,572nd 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: 92.1%** (January 2026). In Buckinghamshire 054C, 92.1% 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.

## SL9 (Postcode district)

- **Median sale price: £867,500** (2025). The median price paid for a home in SL9 was £867,500 in 2025. 33rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 22,256** (2021). SL9 had 22,256 usual residents at the census (ONS Census 2021). 1,326th 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: 95%** (2022). About 95% of people in SL9 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: 92.1%** (January 2026). In SL9, 92.1% 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.

## About

- Type: Postcode
- Council: [Buckinghamshire](https://openindex.co.uk/buckinghamshire)
- Centre: 51.6023, -0.5665

Council: [Buckinghamshire](https://openindex.co.uk/buckinghamshire) (Unitary authority, 100%).

## Your MP

- [Chesham and Amersham](https://openindex.co.uk/constituency/chesham-and-amersham): Sarah Green (Liberal Democrat), 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), July 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=-0.5665,51.6023,SL99HQ

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/sl9-9hq.

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/sl9-9hq