BN18 postcode area guide — Arun
House prices, crime, broadband speeds, mobile signal, schools and demographics for the BN18 postcode district in Arun — every official dataset on one page.
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Where is BN18?
Broadband & internet speeds in BN18
Strong coverage
Superfast (30Mb+)
90.9%
Ultrafast (300Mb+)
52.4%
Gigabit-capable
51.4%
Below USO (10Mb)
0.9%
Broadband availability in the BN18 postcode district (Arun) is Strong — superfast is near-universal and gigabit is rolling out. Across the 542 postcodes Ofcom measures in BN18, superfast broadband (30 Mbit/s or faster) reaches 90.9% of premises and gigabit-capable lines are available to 51.4%.
Around 0.9% of premises in BN18 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 BN18
| Postcode | Superfast | Gigabit |
|---|---|---|
| BN18 0AA | 92.3% | 30.8% |
| BN18 0AB | 100% | 0% |
| BN18 0AD | 0% | 0% |
| BN18 0AE | 100% | 0% |
| BN18 0AF | 100% | 100% |
| BN18 0AG | 0% | 0% |
| BN18 0AH | 100% | 0% |
| BN18 0AJ | 33.3% | 0% |
| BN18 0AL | 0% | 0% |
| BN18 0AN | 100% | 0% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Arun
Ofcom's coverage model for the wider Arun district (83,425 premises):
4G indoors — all networks
96.4%
4G outdoors — all networks
99.9%
5G outdoors — all networks
64.9%
Voice indoors — all networks
98.5%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in BN18
Police recorded 5 incidents within about a mile of the centre of BN18 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Anti-social behaviour | 1 | 20.0% |
| Criminal damage & arson | 1 | 20.0% |
| Weapons possession | 1 | 20.0% |
| Public order | 1 | 20.0% |
| Violence & sexual offences | 1 | 20.0% |
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 BN18
Based on 198 sales registered with HM Land Registry in the last 12 months, the median sold price in BN18 is £385,000, down 1.3% on the previous year (£389,995).
Detached
£468,000
77 sales
Semi-detached
£342,500
50 sales
Terraced
£308,000
49 sales
Flat / maisonette
£230,000
15 sales
Latest recorded sales in BN18
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 22 May 2026 | £335,000 | Terraced | Neptune Way | BN18 0XW |
| 14 May 2026 | £495,000 | Semi-detached | Canada Road | BN18 9HY |
| 14 May 2026 | £960,000 | Detached | Bernard Road | BN18 9EP |
| 14 May 2026 | £800,000 | Detached | BN18 9QZ | |
| 8 May 2026 | £530,000 | Detached | Saturn Drive | BN18 0XT |
| 1 May 2026 | £445,000 | Terraced | The Street | BN18 0PG |
| 30 Apr 2026 | £790,000 | Detached | Hazel Grove | BN18 9JD |
| 29 Apr 2026 | £207,500 | Terraced | Cobham Close | BN18 0LF |
| 28 Apr 2026 | £675,000 | Detached | Saturn Drive | BN18 0XT |
| 28 Apr 2026 | £1,135,000 | Other | New Barn Road | BN18 9LT |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Arun demographics
Census 2021 figures for the wider Arun district (164,889 residents, 72,661 households):
| Age profile | |
|---|---|
| Under 15 | 15.4% |
| 15–29 | 19% |
| 30–44 | 16.4% |
| 45–64 | 20.9% |
| 65+ | 28.4% |
| Housing tenure | |
|---|---|
| Owner-occupied | 71.3% |
| Private rented | 18.3% |
| Social rented | 4.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around BN18
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Yapton CE Primary School | Primary | 4–11 | 304 | BN18 0DU |
| Arundel CofE Primary School | Primary | 4–11 | 213 | BN18 9HT |
| St Philip's Catholic Primary School | Primary | 5–11 | 209 | BN18 9BA |
| Walberton and Binsted CofE Primary School | Primary | 4–11 | 203 | BN18 0PH |
| Slindon College | Not applicable | 8–18 | 103 | BN18 0RH |
| Slindon CofE Primary School | Primary | 4–11 | 89 | BN18 0QU |
| Amberley CofE Primary School | Primary | 4–11 | 45 | BN18 9NB |
| The Amicus School | Not applicable | 5–16 | 32 | BN18 0SX |
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 BN18
140 rated food businesses operate in BN18. 111 hold the top rating of 5, 15 are rated 4, and 3 are rated 2 or below.
Among the 5-rated: 139 steps limited, 4PL LTD, Amberley Castle Hotel, Amberley Village Stores, Amberley Village Tea Room.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in BN18
From a sample of 133 Energy Performance Certificates across 12 BN18 postcodes, the most common rating is band D (average band D). 41% of sampled homes are rated C or better.
Band A
2%
Band B
20%
Band C
20%
Band D
32%
Band E
19%
Band F
7%
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 Arun
Landlines around BN18 typically use:
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What's it like living in BN18?
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Moving to BN18? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Arun — free, no-obligation quote.
Postcodes in BN18
Neighbouring districts
All Brighton (BN) 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.
