# Three Rivers 009A

South west Three Rivers. 1,451 people (mid-2024 estimate) in 3.1 square kilometres.

Three Rivers 009A had 1,410 usual residents at the census (ONS Census 2021).

Neighbourhood. Code E01023835. In: [East of England](https://openindex.co.uk/east-of-england) › [Three Rivers](https://openindex.co.uk/three-rivers)

## Key figures

- **Deprivation score: 11.2** (2025). Three Rivers 009A has a deprivation score of 11.2 in the English Indices of Deprivation 2025 (MHCLG). Joint 10,152nd least deprived of 33,755. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025. https://openindex.co.uk/three-rivers/neighbourhood/e01023835#f-imd-2025-score
- **Median sale price: £700,000** (2025). The median price paid for a home in Three Rivers 009A was £700,000 in 2025. Joint 1,529th most expensive of 31,750. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/three-rivers/neighbourhood/e01023835#f-house-sales-median-price
- **Population: 1,410** (2021). Three Rivers 009A had 1,410 usual residents at the census (ONS Census 2021). Joint 18,645th least 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. https://openindex.co.uk/three-rivers/neighbourhood/e01023835#f-population
- **Gigabit broadband coverage: 98.8%** (January 2026). In Three Rivers 009A, 98.8% 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. https://openindex.co.uk/three-rivers/neighbourhood/e01023835#f-gigabit-coverage

## On the map

- [Deprivation by neighbourhood](https://openindex.co.uk/map/deprivation-england?place=E01023835) (English Indices of Deprivation 2025): In the English Indices of Deprivation 2025, Three Rivers 009A is in decile 7.
- [Sales per year by neighbourhood](https://openindex.co.uk/map/house-sales-per-year?place=E01023835) (Worked out by Open Index · 2025): 15 homes were sold in Three Rivers 009A in 2025.
- [Crime and ASB by neighbourhood](https://openindex.co.uk/map/recorded-crime?place=E01023835) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Three Rivers 009A.
- [Population by neighbourhood](https://openindex.co.uk/map/population?place=E01023835) (Census 2021, England and Wales): Three Rivers 009A had 1,410 usual residents at the census.

## How Three Rivers 009A compares

Each neighbourhood against every other neighbourhood the measure covers.

| Measure | Three Rivers 009A | Rank | Compared with |
| --- | --- | --- | --- |
| Deprivation score | 11.2 | 20th most deprived | 55 neighbourhoods, Three Rivers · 2025 |
| Median sale price | £700,000 | joint 19th most expensive | 53 neighbourhoods, Three Rivers · 2025 |
| Population | 1,410 | 11th least populated | 55 neighbourhoods, Three Rivers · 2021 |
| Gigabit broadband coverage | 98.8% | 18th highest | 55 neighbourhoods, Three Rivers · Jan 2026 |

## Is Three Rivers 009A safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Three Rivers 009A at a rate of 86.1 per 1,000 people.
That compares with 134.8 per 1,000 people across Mill End, Heronsgate & Maple Cross.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 15 cases of crime and anti-social behaviour were recorded in Three Rivers 009A.
In the 12 months to August 2026, the most common types were anti-social behaviour (45), violence and sexual offences (39) and other crime (17).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Figures for the whole of Three Rivers

These figures are published for the whole of Three Rivers, not for each neighbourhood, so they describe all of Three Rivers and not Three Rivers 009A alone. [See Three Rivers](https://openindex.co.uk/three-rivers)

- **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.
- **Population estimate: 96,068** (2025). Three Rivers’ population was an estimated 96,068 in mid-2025 (ONS population estimates). Up 0.5% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.

## Three Rivers 009A in brief

Three Rivers 009A has a deprivation score of 11.2 in the English Indices of Deprivation 2025.
The median price paid for a home in Three Rivers 009A was £700,000 in 2025.
Three Rivers 009A had 1,410 usual residents at the census.
In Three Rivers 009A, 98.8% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Neighbourhood
- Code: E01023835
- Middle area: [Mill End, Heronsgate & Maple Cross](https://openindex.co.uk/three-rivers/mill-end-heronsgate-and-maple-cross)
- Ward: [Penn & Mill End †](https://openindex.co.uk/three-rivers/ward/penn-and-mill-end)
- Postcode district: [WD3 †](https://openindex.co.uk/postcode/wd3)
- Town: [Rickmansworth †](https://openindex.co.uk/town/rickmansworth)
- Postcode area: [WD †](https://openindex.co.uk/postcode/wd)
- Constituency: [South West Hertfordshire †](https://openindex.co.uk/constituency/south-west-hertfordshire)
- Council: [Three Rivers](https://openindex.co.uk/three-rivers)
- Region: [East of England](https://openindex.co.uk/east-of-england)
- Nation: [England](https://openindex.co.uk/england)
- Area: 3.11 km²
- People, mid-2024: 1,451
- Output areas: 5

† Best fit: the ward, postcode district, town, postcode area and constituency this neighbourhood mostly lies in. Its edges do not follow theirs.

## Next door

[Three Rivers 009D](https://openindex.co.uk/three-rivers/neighbourhood/e01023838), [Three Rivers 005A](https://openindex.co.uk/three-rivers/neighbourhood/e01023815), [Three Rivers 009C](https://openindex.co.uk/three-rivers/neighbourhood/e01023837), [Three Rivers 005B](https://openindex.co.uk/three-rivers/neighbourhood/e01023816), [Buckinghamshire 050D](https://openindex.co.uk/buckinghamshire/neighbourhood/e01017757), [Three Rivers 009B](https://openindex.co.uk/three-rivers/neighbourhood/e01023836)

## Latest updates for Three Rivers 009A

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/E01023835

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/three-rivers/neighbourhood/e01023835, or to one figure with its anchor, https://openindex.co.uk/three-rivers/neighbourhood/e01023835#f-imd-2025-score.

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/three-rivers/neighbourhood/e01023835