BN18 postcode area · Arun

The BN18 postcode district spans 8 neighbourhoods (MSOAs) in Arun, Chichester, Horsham. Area Scores range from 12 to 66 across them. Every full BN18 postcode falls within one of the neighbourhoods below.

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.

Living here

Typical net household income£40,710a year, weighted avg of neighbourhood estimates

Recorded crime70per 1,000 residents, 12m

Median age (est.)50

Owner-occupied71%

Income: ONS model-based estimates (FYE 2023). Crime: data.police.uk, recorded incidents. Age & tenure: Census 2021. All OGL v3.0 — methodology.

House prices in the BN18 district

£388,747median home sold over the past year · +11.1% over 5 years · -4.2% over the year · 284 sales

Detached£512,500

Semi-detached£362,995

Terraced£290,000

Flat£217,500

Arun£350,000

South East£385,000

England£300,000

Annual median price, all homes. Small samples can be volatile.

Area Score:more deprivedless deprivedTap a neighbourhood to open it →

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

People living in BN18 Census 2021

Residents61,969

Median age (est.)50

Density191per km²

No qualifications16%

Degree or above32%

No car or van14%

Age

0–14 14%15–24 9%25–44 20%45–64 28%65+ 29%

Tenure

Own outright 43%Mortgage/shared 28%Social rent 11%Private rent 18%

Households

One person 32%Couple, no children 18%Couple with children 22%Lone parent 8%Other 20%

Work (top occupations)

Professional 17% · Managers & directors 15% · Associate professional 13%

All occupation groups

Professional	17%
Managers & directors	15%
Associate professional	13%
Skilled trades	13%
Caring & leisure	11%
Elementary	9%
Administrative	9%
Sales & customer service	7%
Process & plant	6%

Ethnic group

White 96%Asian 2%Black 1%Mixed 2%Other 1%

Religion & identity

Christian 53% · No religion 40% · Other 1%

Born outside the UK: 9%

Census 2021 (ONS), Crown copyright, OGL v3.0. Shares are of each question's own respondents (e.g. education is % of residents aged 16+). Figures date from March 2021 and change slowly between censuses.

Towns & places in BN18

Places whose neighbourhoods overlap the BN18 district.

Angmering Littlehampton

Nearby areas

Postcode districts around BN18.

BN17 PO22 BN16 PO21 BN14 BN12 BN13 BN11

A postcode district overlaps several neighbourhoods, so per-neighbourhood figures are shown alongside the district-wide medians — neighbouring areas can differ a lot. Neighbourhood (MSOA) boundaries contain ONS data © Crown copyright and database right 2025, Open Government Licence v3.0.