BN18 postcode area
The BN18 postcode district spans 8 neighbourhoods (MSOAs) in Arun, Chichester, Horsham. Area Scores range from 12 to 66 across them.
In summary
The BN18 district contains both ends of the scale: Dean, Lavant & Summersdale at 66 out of 100 (#2,322 of 6,856 in England) against Littlehampton West and River at 13, a 53-point gap between neighbouring areas. 1 of the 8 rank in the most-deprived third of England; none reaches the least-deprived third. House prices stretch as far as the scores do: medians run from £240,000 in Littlehampton West and River to £508,250 in Dean, Lavant & Summersdale — a 2.1× gap within the BN18 district. Note that the district straddles 3 local authorities — Arun, Chichester and Horsham — so its neighbourhoods answer to different councils.
| Neighbourhood | Nat. rank | Area score | Median price |
|---|---|---|---|
| Dean, Lavant & SummersdaleChichester | 2,322 | 66 | £508,250 |
| Westergate, Eastergate & WalbertonArun | 2,644 | 61 | £380,000 |
| Middleton-on-SeaArun | 2,767 | 60 | £374,500 |
| ArundelArun | 2,932 | 57 | £445,000 |
| Amberley, Pulborough & StorringtonHorsham | 2,973 | 57 | £357,500 |
| Angmering North, Patching & FindonArun | 3,240 | 53 | £474,500 |
| Yapton & ClimpingArun | 3,919 | 43 | £352,500 |
| Littlehampton West and RiverArun | 5,976 | 13 | £240,000 |
Nearby areas
Postcode districts around BN18.
A postcode district overlaps several neighbourhoods, so figures are shown per neighbourhood rather than as a single postcode average — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.