# WD4 9AZ: area report for a postcode in Three Rivers

WD4 9AZ is a postcode in Three Rivers.

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 Three Rivers. Open the map at WD4 9AZ for neighbourhoods and points.

In: [Three Rivers](https://openindex.co.uk/three-rivers) › [WD4](https://openindex.co.uk/postcode/wd4) › [WD4 9](https://openindex.co.uk/postcode/wd4-9)

## Around this postcode

- **0 crimes within 500 m**: August, none in July either. Three Rivers 003D: 53 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-0.4914,51.6962,WD49AZ
- **Kings Langley, 3.8 km**: The nearest station, in a straight line. (Exact point) https://openindex.co.uk/map/stations?around=-0.4914,51.6962,WD49AZ
- **1 school within 800 m**: Nearest is 800 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.4914,51.6962,WD49AZ
- **No property in WD4 9AZ 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=-0.4914,51.6962,WD49AZ
- **England’s least deprived 30%**: This neighbourhood, Three Rivers 003D. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=-0.4914,51.6962,WD49AZ
- **£590,232 average price**: For the whole of Three Rivers, August 2026. (Council) https://openindex.co.uk/map/house-prices?around=-0.4914,51.6962,WD49AZ
- **No GP practices within 1 km**: None found within 2 km. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.4914,51.6962,WD49AZ
- **No supermarkets within 1 km**: None found within 2 km. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.4914,51.6962,WD49AZ
- **Gigabit broadband for every home and business at WD4 9AZ**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-0.4914,51.6962,WD49AZ
- **Low road and rail noise at WD4 9AZ**: Road 46 dB, rail under 40 dB or not modelled (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.4914,51.6962,WD49AZ
- **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=-0.4914,51.6962,WD49AZ
- **10.6 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.4914,51.6962,WD49AZ

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [St Paul's Church of England Voluntary Aided Primary School, Chipperfield](https://openindex.co.uk/school/st-pauls-church-of-england-voluntary-aided-primary-school-chipperfield-e117441) | Primary | 800 m (10 minutes on foot) | School remains Good, June 2024 | 62% met the expected standard at KS2 (2024/25) |
| [Sarratt Church of England Primary School](https://openindex.co.uk/school/sarratt-church-of-england-primary-school-e146723) | Primary | 1.5 km (19 minutes on foot) | School remains Good, June 2023 | 76% met the expected standard at KS2 (2024/25) |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| January 2024 | £1,900,000 | Detached, established, freehold | 290 m |
| November 2024 | £1,495,000 | Detached, established, freehold | 550 m |

## Within 1 km

## Key figures

- **Average house price: £590,232** (August 2026). Three Rivers’ average house price was £590,232 in August 2026 (HM Land Registry). Up 0.9% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £43,980** (2025). Full-time workers living in Three Rivers earned a median of £43,980 in 2025 (ONS earnings survey). 64th highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 13.4×** (2025). A home in Three Rivers costs 13.4 times local full-time pay. 10th 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: 10.0** (2025). Three Rivers has a deprivation score of 10.0 in the English Indices of Deprivation 2025 (MHCLG). Joint 23rd least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Three Rivers 003D (Neighbourhood)

- **Deprivation score: 10.7** (2025). Three Rivers 003D has a deprivation score of 10.7 in the English Indices of Deprivation 2025 (MHCLG). Joint 9,556th least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £817,500** (2025). The median price paid for a home in Three Rivers 003D was £817,500 in 2025. Joint 915th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 1,932** (2021). Three Rivers 003D had 1,932 usual residents at the census (ONS Census 2021). Joint 6,539th 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: 69.4%** (January 2026). In Three Rivers 003D, 69.4% 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.

## WD4 (Postcode district)

- **Median sale price: £575,000** (2025). The median price paid for a home in WD4 was £575,000 in 2025. Joint 169th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 11,155** (2021). WD4 had 11,155 usual residents at the census (ONS Census 2021). 782nd least 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: 100%** (2022). About 100% of people in WD4 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: 81.4%** (January 2026). In WD4, 81.4% 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: [Three Rivers](https://openindex.co.uk/three-rivers)
- Centre: 51.6962, -0.4914

Council: [Three Rivers](https://openindex.co.uk/three-rivers) (District, 100%).

## Your MP

- [South West Hertfordshire](https://openindex.co.uk/constituency/south-west-hertfordshire): Mr Gagan Mohindra (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=-0.4914,51.6962,WD49AZ

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/wd4-9az.

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/wd4-9az
