# WD18 9RE: area report for a postcode in Three Rivers

WD18 9RE 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 WD18 9RE for neighbourhoods and points.

In: [Three Rivers](https://openindex.co.uk/three-rivers) › [WD18](https://openindex.co.uk/postcode/wd18) › [WD18 9](https://openindex.co.uk/postcode/wd18-9)

## Around this postcode

- **2 crimes within 500 m**: August, down 50% on July. Three Rivers 011C: 59 a year per 1,000 people. (Map point) https://openindex.co.uk/map/street-crime?around=-0.4394,51.6383,WD189RE
- **Croxley, 990 m**: About 12 minutes on foot. (Exact point) https://openindex.co.uk/map/stations?around=-0.4394,51.6383,WD189RE
- **1 school within 800 m**: Nearest is 510 m away. (Exact point) https://openindex.co.uk/map/schools?around=-0.4394,51.6383,WD189RE
- **No property in WD18 9RE 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=-0.4394,51.6383,WD189RE
- **England’s least deprived 10%**: This neighbourhood, Three Rivers 011C. (Neighbourhood) https://openindex.co.uk/map/deprivation-england?around=-0.4394,51.6383,WD189RE
- **£590,816 average price**: For the whole of Three Rivers, July 2026. (Council) https://openindex.co.uk/map/house-prices?around=-0.4394,51.6383,WD189RE
- **No GP practices within 1 km**: Nearest is 1.2 km away. (Postcode) https://openindex.co.uk/map/gp-practices?around=-0.4394,51.6383,WD189RE
- **No supermarkets within 1 km**: Nearest is 1.3 km away. (Exact point) https://openindex.co.uk/map/supermarkets?around=-0.4394,51.6383,WD189RE
- **Gigabit broadband for every home and business at WD18 9RE**: Superfast for 100%. What can be ordered, January 2026. (Postcode) https://openindex.co.uk/map/broadband-by-postcode?around=-0.4394,51.6383,WD189RE
- **Low road and rail noise at WD18 9RE**: Road 46 dB, rail 44 dB (Lden, modelled for 2021) (Postcode) https://openindex.co.uk/map/noise-by-postcode?around=-0.4394,51.6383,WD189RE
- **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=-0.4394,51.6383,WD189RE
- **13.3 µg/m³ nitrogen dioxide**: Modelled yearly average for this 1 km square, 2025. (1 km grid) https://openindex.co.uk/map/nitrogen-dioxide?around=-0.4394,51.6383,WD189RE

## Nearest schools

| School | Phase | Distance | Ofsted | Results |
| --- | --- | --- | --- | --- |
| [Merchant Taylors' Prep School](https://openindex.co.uk/school/merchant-taylors-prep-school-e117651) | Independent | 510 m (6 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [Harvey Road Primary School](https://openindex.co.uk/school/harvey-road-primary-school-e117131) | Primary | 1 km (13 minutes on foot) | Outstanding (overall), October 2023 | 87% met the expected standard at KS2 (2024/25) |
| [Merchant Taylors' School](https://openindex.co.uk/school/merchant-taylors-school-e117616) | Independent | 1.2 km (15 minutes on foot) | Not in Ofsted's state-funded schools file | – |
| [Rickmansworth School](https://openindex.co.uk/school/rickmansworth-school-e136606) | Secondary | 1.3 km (17 minutes on foot) | Outstanding (overall), September 2023 | Attainment 8 of 63.7 (2025/26, provisional) |
| [Malvern Way Infant and Nursery School](https://openindex.co.uk/school/malvern-way-infant-and-nursery-school-e117133) | Primary | 1.4 km (17 minutes on foot) | Graded inspection, February 2025: no overall grade | – |
| [Yorke Mead Primary School](https://openindex.co.uk/school/yorke-mead-primary-school-e117130) | Primary | 1.6 km (20 minutes on foot) | Graded inspection, November 2024: no overall grade | 73% met the expected standard at KS2 (2024/25) |
| [Willow Tree Primary School](https://openindex.co.uk/school/willow-tree-primary-school-e151528) | Primary | 1.6 km (20 minutes on foot) | Requires improvement (overall), April 2023, before the school changed | – |
| [Croxley Danes School](https://openindex.co.uk/school/croxley-danes-school-e144402) | Secondary | 1.7 km (21 minutes on foot) | Report card, February 2026: safeguarding met | Attainment 8 of 51.6 (2025/26, provisional) |

## Recent sales nearby

| Month | Price | Home | Distance |
| --- | --- | --- | --- |
| October 2024 | £1,250,000 | Detached, established, freehold | 210 m |
| July 2025 | £330,000 | Flat or maisonette, established, leasehold | 240 m |
| November 2024 | £245,000 | Flat or maisonette, established, leasehold | 580 m |

## Within 1 km

- Stations: Croxley (990 m, 12 minutes on foot)
- Dental practices: CHARTWELL CLINIC (960 m)

## Key figures

- **Average house price: £590,816** (July 2026). Three Rivers’ average house price was £590,816 in July 2026 (HM Land Registry). Up 2.3% in a year. Source: UK House Price Index, July 2026. Published 16 September 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 16 September 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 011C (Neighbourhood)

- **Deprivation score: 3.1** (2025). Three Rivers 011C has a deprivation score of 3.1 in the English Indices of Deprivation 2025 (MHCLG). Joint 1,076th least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.
- **Median sale price: £1,905,000** (2025). The median price paid for a home in Three Rivers 011C was £1,905,000 in 2025. 40th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 1,763** (2021). Three Rivers 011C had 1,763 usual residents at the census (ONS Census 2021). Joint 11,103rd 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: 55.9%** (January 2026). In Three Rivers 011C, 55.9% 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.

## WD18 (Postcode district)

- **Median sale price: £385,000** (2025). The median price paid for a home in WD18 was £385,000 in 2025. Joint 643rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026.
- **Population: 28,180** (2021). WD18 had 28,180 usual residents at the census (ONS Census 2021). 1,019th 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: 78%** (2022). About 78% of people in WD18 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: 94.0%** (January 2026). In WD18, 94.0% 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: 51.6383, -0.4394

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), 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=-0.4394,51.6383,WD189RE

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/wd18-9re.

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/wd18-9re