# Mill End, Heronsgate & Maple Cross

South west Three Rivers. 5,792 people (mid-2024 estimate) in 11 square kilometres.

Mill End, Heronsgate & Maple Cross had 5,746 usual residents at the census (ONS Census 2021).

Middle area. Code E02004964. In: [East of England](https://openindex.co.uk/east-of-england) › [Three Rivers](https://openindex.co.uk/three-rivers)

## Key figures

- **Median sale price: £475,000** (2025). The median price paid for a home in Mill End, Heronsgate & Maple Cross was £475,000 in 2025. Joint 1,142nd most expensive of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/three-rivers/mill-end-heronsgate-and-maple-cross#f-house-sales-median-price
- **Population: 5,746** (2021). Mill End, Heronsgate & Maple Cross had 5,746 usual residents at the census (ONS Census 2021). 2,435th least populated of 9,448. 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/mill-end-heronsgate-and-maple-cross#f-population
- **People in radon Affected Area squares: 55%** (2022). About 55% of people in Mill End, Heronsgate & Maple Cross 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. https://openindex.co.uk/three-rivers/mill-end-heronsgate-and-maple-cross#f-radon-affected-share
- **Gigabit broadband coverage: 93.2%** (January 2026). In Mill End, Heronsgate & Maple Cross, 93.2% 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/mill-end-heronsgate-and-maple-cross#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=E02004964) (Worked out by Open Index · 2022): About 55% of people in Mill End, Heronsgate & Maple Cross live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by middle area](https://openindex.co.uk/map/house-sales-per-year?place=E02004964) (Worked out by Open Index · 2025): 76 homes were sold in Mill End, Heronsgate & Maple Cross in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=E02004964) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Mill End, Heronsgate & Maple Cross.
- [Population by middle area](https://openindex.co.uk/map/population?place=E02004964) (Census 2021, England and Wales): Mill End, Heronsgate & Maple Cross had 5,746 usual residents at the census.

## Recorded crime in Mill End, Heronsgate & Maple Cross

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mill End, Heronsgate & Maple Cross at a rate of 134.8 per 1,000 people.
That compares with 67.5 per 1,000 people across Three Rivers.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

| Kind of crime, 12 months to August 2026 | Count |
| --- | --- |
| Violence and sexual offences | 231 |
| Other crime | 169 |
| Anti-social behaviour | 146 |
| Shoplifting | 95 |
| Criminal damage and arson | 45 |
| Vehicle crime | 36 |
| Burglary | 29 |
| Drug offences | 26 |
| Robbery | 2 |
| Theft from the person | 2 |

Source: police.uk, 12 months to August 2026.

## How Mill End, Heronsgate & Maple Cross compares

Each middle area against every other middle area the measure covers.

| Measure | Mill End, Heronsgate & Maple Cross | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £475,000 | 4th cheapest | 12 middle areas, Three Rivers · 2025 |
| Population | 5,746 | 2nd least populated | 12 middle areas, Three Rivers · 2021 |
| People in radon Affected Area squares | 55% | 5th fewest people in radon Affected Areas | 12 middle areas, Three Rivers · 2022 |
| Gigabit broadband coverage | 93.2% | 5th lowest | 12 middle areas, Three Rivers · Jan 2026 |

## Is Mill End, Heronsgate & Maple Cross safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Mill End, Heronsgate & Maple Cross at a rate of 134.8 per 1,000 people.
That compares with 67.5 per 1,000 people across Three Rivers.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 76 cases of crime and anti-social behaviour were recorded in Mill End, Heronsgate & Maple Cross.
In the 12 months to August 2026, the most common types were violence and sexual offences (231), other crime (169) and anti-social behaviour (146).
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 middle area, so they describe all of Three Rivers and not Mill End, Heronsgate & Maple Cross alone. [See Three Rivers](https://openindex.co.uk/three-rivers)

- **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.

## Mill End, Heronsgate & Maple Cross in brief

The median price paid for a home in Mill End, Heronsgate & Maple Cross was £475,000 in 2025.
Mill End, Heronsgate & Maple Cross had 5,746 usual residents at the census.
About 55% of people in Mill End, Heronsgate & Maple Cross live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Mill End, Heronsgate & Maple Cross, 93.2% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: E02004964
- Ward: [Chorleywood South & Maple Cross †](https://openindex.co.uk/three-rivers/ward/chorleywood-south-and-maple-cross)
- 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: 10.92 km²
- People, mid-2024: 5,792*
- Neighbourhoods: 4
- Output areas: 20

* People: worked out by Open Index by adding up the neighbourhood estimates inside this area.
† Best fit: the ward and constituency this middle area mostly lies in. Its edges do not follow theirs.

## Next door

[Harefield](https://openindex.co.uk/hillingdon/harefield), [Chorleywood](https://openindex.co.uk/three-rivers/chorleywood), [Chalfont Common & St Peter East](https://openindex.co.uk/buckinghamshire/chalfont-common-and-st-peter-east), [Denham](https://openindex.co.uk/buckinghamshire/denham), [Rickmansworth West](https://openindex.co.uk/three-rivers/rickmansworth-west), [Moor Park & Batchworth](https://openindex.co.uk/three-rivers/moor-park-and-batchworth)

## Latest updates for Mill End, Heronsgate & Maple Cross

- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.
- GP practices updated: NHS England · Oct 2026.
- Schools updated: Department for Education · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/E02004964

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/three-rivers/mill-end-heronsgate-and-maple-cross, or to one figure with its anchor, https://openindex.co.uk/three-rivers/mill-end-heronsgate-and-maple-cross#f-house-sales-median-price.

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/three-rivers/mill-end-heronsgate-and-maple-cross