RH18 postcode area guide — Mid Sussex
House prices, crime, broadband speeds, mobile signal, schools and demographics for the RH18 postcode district in Mid Sussex — every official dataset on one page.
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Where is RH18?
Broadband & internet speeds in RH18
Strong coverage
Superfast (30Mb+)
95.1%
Ultrafast (300Mb+)
73.9%
Gigabit-capable
73.9%
Below USO (10Mb)
1.1%
Broadband availability in the RH18 postcode district (Mid Sussex) is Strong — superfast is near-universal and gigabit is rolling out. Across the 141 postcodes Ofcom measures in RH18, superfast broadband (30 Mbit/s or faster) reaches 95.1% of premises and gigabit-capable lines are available to 73.9%.
Around 1.1% of premises in RH18 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in RH18
| Postcode | Superfast | Gigabit |
|---|---|---|
| RH18 5AA | 100% | 94.7% |
| RH18 5AD | 100% | 100% |
| RH18 5AF | 100% | 58.8% |
| RH18 5AH | 100% | 100% |
| RH18 5AJ | 100% | 100% |
| RH18 5AN | 100% | 100% |
| RH18 5AP | 100% | 100% |
| RH18 5AQ | 100% | 100% |
| RH18 5AR | 100% | 100% |
| RH18 5AS | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Mid Sussex
Ofcom's coverage model for the wider Mid Sussex district (73,483 premises):
4G indoors — all networks
83.4%
4G outdoors — all networks
99.5%
5G outdoors — all networks
13.5%
Voice indoors — all networks
85.5%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in RH18
Police recorded 35 incidents within about a mile of the centre of RH18 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Anti-social behaviour | 11 | 31.4% |
| Shoplifting | 11 | 31.4% |
| Violence & sexual offences | 7 | 20.0% |
| Criminal damage & arson | 3 | 8.6% |
| Other theft | 1 | 2.9% |
| Public order | 1 | 2.9% |
| Vehicle crime | 1 | 2.9% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in RH18
Based on 40 sales registered with HM Land Registry in the last 12 months, the median sold price in RH18 is £450,000, up 5.9% on the previous year (£425,000).
Detached
£648,000
16 sales
Semi-detached
£444,000
12 sales
Terraced
£335,000
6 sales
Flat / maisonette
£275,000
5 sales
Latest recorded sales in RH18
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 8 May 2026 | £1,420,000 | Detached | Tompsets Bank | RH18 5BG |
| 30 Apr 2026 | £298,200 | Terraced | The Square | RH18 5ES |
| 25 Mar 2026 | £507,000 | Detached | Freshfield Bank | RH18 5HQ |
| 18 Mar 2026 | £444,000 | Semi-detached | Medway Drive | RH18 5NT |
| 10 Mar 2026 | £242,000 | Semi-detached | London Road | RH18 5EU |
| 6 Mar 2026 | £515,000 | Semi-detached | Highgate Road | RH18 5AZ |
| 16 Feb 2026 | £350,000 | Detached | London Road | RH18 5EF |
| 13 Feb 2026 | £565,000 | Semi-detached | Upper Close | RH18 5DS |
| 13 Feb 2026 | £460,000 | Semi-detached | Stonepark Drive | RH18 5DG |
| 29 Jan 2026 | £335,000 | Detached | Tomtits Lane | RH18 5AT |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Mid Sussex demographics
Census 2021 figures for the wider Mid Sussex district (152,566 residents, 63,349 households):
| Age profile | |
|---|---|
| Under 15 | 19.2% |
| 15–29 | 19.3% |
| 30–44 | 20.6% |
| 45–64 | 20.3% |
| 65+ | 20.6% |
| Housing tenure | |
|---|---|
| Owner-occupied | 72.6% |
| Private rented | 15.3% |
| Social rented | 10% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around RH18
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Michael Hall School | Not applicable | 2–19 | 384 | RH18 5JA |
| Forest Row Church of England Primary School and Nursery | Primary | 2–11 | 199 | RH18 5EB |
| Greenfields School | Not applicable | 2–19 | 93 | RH18 5JD |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in RH18
54 rated food businesses operate in RH18. 29 hold the top rating of 5, 13 are rated 4, and 1 are rated 2 or below.
Among the 5-rated: Ashdown Day Nursery, Ashdown Forest Venison, Ashdown Park Hotel, Brooklands Nursing Home, Coolings Garden Centre.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in RH18
From a sample of 155 Energy Performance Certificates across 10 RH18 postcodes, the most common rating is band D (average band D). 30% of sampled homes are rated C or better.
Band A
1%
Band B
3%
Band C
27%
Band D
48%
Band E
16%
Band F
5%
Band G
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Mid Sussex
Landlines around RH18 typically use:
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What's it like living in RH18?
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Postcodes in RH18
Neighbouring districts
All Redhill (RH) postcode districts ›
Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.