# RH18

Postcode district covering Forest Row and Highgate, in Wealden.

RH18 is a postcode district covering Forest Row and Highgate, in Wealden. Median sale price £457,500 in 2025. Recorded crime 105.3 per 1,000 people.

Postcode district. Code RH18. In: [Postcodes](https://openindex.co.uk/postcode) › [RH](https://openindex.co.uk/postcode/rh)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an RH18 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £457,500** (2025). The median price paid for a home in RH18 was £457,500 in 2025. Joint 400th most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/rh18#f-house-sales-median-price
- **Population: 4,467** (2021). RH18 had 4,467 usual residents at the census (ONS Census 2021). 434th 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. https://openindex.co.uk/postcode/rh18#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in RH18 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/postcode/rh18#f-radon-affected-share
- **Gigabit broadband coverage: 79.0%** (January 2026). In RH18, 79.0% 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. https://openindex.co.uk/postcode/rh18#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=RH18) (Worked out by Open Index · 2022): About 0% of people in RH18 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=RH18) (Worked out by Open Index · 2025): 63 homes were sold in RH18 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=RH18) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for RH18.
- [Population by postcode district](https://openindex.co.uk/map/population?place=RH18) (Census 2021, England and Wales): RH18 had 4,467 usual residents at the census.

## How RH18 compares

Each postcode district against every other postcode district the measure covers.

| Measure | RH18 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £457,500 | joint 8th most expensive | 20 postcode districts, RH · 2025 |
| Population | 4,467 | 2nd least populated | 20 postcode districts, RH · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 20 postcode districts, RH · 2022 |
| Gigabit broadband coverage | 79.0% | 8th lowest | 20 postcode districts, RH · Jan 2026 |

## Is RH18 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in RH18 at a rate of 105.3 per 1,000 people.
That compares with 77.6 per 1,000 people across the RH postcode area.
In August 2026 alone, 22 cases of crime and anti-social behaviour were recorded in RH18.
In the 12 months to August 2026, the most common types were shoplifting (179), violence and sexual offences (102) and anti-social behaviour (75).
A year earlier, the recorded crime rate in RH18 was 108.0 per 1,000 people.
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.

## Deprivation in RH18, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so RH18 has no single figure. Of its 3 neighbourhoods with a rank:
- Decile 7: 2 neighbourhoods
- Decile 8: 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in RH18

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Wealden 001A](https://openindex.co.uk/wealden/neighbourhood/e01021167) | 2,298 | 162.6 per 1,000 | 7 | 84.7% |
| [Wealden 001B](https://openindex.co.uk/wealden/neighbourhood/e01021168) | 1,656 | 39.4 per 1,000 | 8 | 75.2% |
| [Wealden 001C](https://openindex.co.uk/wealden/neighbourhood/e01021169) | 1,243 | 50.3 per 1,000 | 7 | 68.2% |

## Your MP

- [East Grinstead and Uckfield](https://openindex.co.uk/constituency/east-grinstead-and-uckfield): Mims Davies (Conservative), MP since July 2024. 85% of the people here.
- [Sussex Weald](https://openindex.co.uk/constituency/sussex-weald): Ms Nusrat Ghani (Conservative), MP since July 2024. 15% of the people here.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in RH18

[Forest Row & Coleman's Hatch](https://openindex.co.uk/wealden/forest-row-and-colemans-hatch)

## Postcode sectors in RH18

[RH18 5 (141 postcodes)](https://openindex.co.uk/postcode/rh18-5)

## Council

[Wealden](https://openindex.co.uk/wealden)

## Postcode districts next to RH18

[RH17](https://openindex.co.uk/postcode/rh17), [RH19](https://openindex.co.uk/postcode/rh19), [TN7](https://openindex.co.uk/postcode/tn7), [TN22](https://openindex.co.uk/postcode/tn22)

## Nearest rail stations

[East Grinstead (5.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-0.0179,51.1263)

## More in the RH postcode area

[All RH postcode districts](https://openindex.co.uk/postcode/rh), [Every UK postcode area](https://openindex.co.uk/postcode)

## RH18 in brief

RH18 is a postcode district covering Forest Row and Highgate, in Wealden.
About 4,437 people lived in RH18 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £457,500 in 2025 across 63 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 105.3 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in RH18 was £457,500 in 2025.
RH18 had 4,467 usual residents at the census.
About 0% of people in RH18 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In RH18, 79.0% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: RH18
- Postcode area: [RH](https://openindex.co.uk/postcode/rh)
- Constituency: [East Grinstead and Uckfield †](https://openindex.co.uk/constituency/east-grinstead-and-uckfield)
- Council: [Wealden †](https://openindex.co.uk/wealden)
- Area: 21.07 km²
- People, mid-2024: 4,437*
- Neighbourhoods: 3
- Output areas: 14

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[RH19](https://openindex.co.uk/postcode/rh19), [TN7](https://openindex.co.uk/postcode/tn7), [RH17](https://openindex.co.uk/postcode/rh17), [TN22](https://openindex.co.uk/postcode/tn22)

## Latest updates for RH18

- 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/RH18

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/rh18, or to one figure with its anchor, https://openindex.co.uk/postcode/rh18#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 2026.10.9. The HTML page: https://openindex.co.uk/postcode/rh18