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Postcode insights

BN42 4HL

Underdown Road

Southwick Green

Interactive map showing BN42 4HL and surrounding area

Detailed insights for BN42 4HL

Overview

Postcode BN42 4HL is located in an urban city, within the Southwick Green ward of Adur in the South East region, and forms part of the Hillside area. It has low deprivation and very low crime levels, with around 24.2 crimes per 1,000 residents per year, about 71% below the South East average of 84 per 1,000. The average income per household in Hillside is £55,350 per year. The nearest station is Southwick, about 0.5 miles away. There are 6 primary and 2 secondary schools in the area. There are 3 parks nearby, the closest small park is Mile Oak Road Open Space.

Crime rate
2/10
Crimes per 1k residents
24
Deprivation level
3/10
Income level
3/10
Social housing
0.8%
Connectivity
N/A
Flood Risk
No risk
Noise Level
No noise

Deprivation level

3/10

Hillside has a low level of deprivation, ranked at position 22,969 out of 32,844 areas in the United Kingdom, placing it within the bottom 30% least deprived areas in England.

Crime level

2/10

Hillside has a very low crime rate, with approximately 24.2 reported incidents per 1,000 population each year.

Social housing

0.8%

Approximately 0.8% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 11.0% of dwellings are socially rented.

Income level

3/10

The average income per household in Hillside is £55,350 per year.

Noise Level

No noise

No significant noise sources from railways or roads near BN42 4HL.

Flood risk

No risk

Hillside near BN42 4HL has no flood risk (less than 0.1% chance of a flood each year) from rivers and sea.

Transport

The nearest station is Southwick located about 0.5 miles away. There are 2 stations nearby.

Nearby public transport stations for BN42 4HL
DistanceNameLinesDirections
0.5 mi

Southwick

N/A

Walking directions to Southwick
0.9 mi

Fishersgate

N/A

Walking directions to Fishersgate

Parks

Nearby parks and green spaces for BN42 4HL
DistanceNameSizeDirections
0.5 miMile Oak Road Open SpaceSmallWalking directions to Mile Oak Road Open Space
0.1 miCross Road Rest GardenSmallWalking directions to Cross Road Rest Garden
0.4 miGreen Court GardenSmallWalking directions to Green Court Garden

Area Profile

Population
320
Population density
7,955.1 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
11.22(-65%)
Public order
4.13(-32%)
Burglary
2.95(+13%)
Vehicle crime
2.36(-36%)
Anti-social behaviour
1.77(-86%)
South East average

Demographics

Ethnic groups

British
289
91.17%
Other White
14
4.42%
African
5
1.58%
Other Mixed or Multiple ethnic groups
4
1.26%
Irish
2
0.63%
Total population: 317

Economics

Education (age 16+)

Level 4+ (Degree)
97
40.25%
Level 3 (A level)
53
21.99%
No qualifications
29
12.03%
Level 2 (GCSEs 9-4)
29
12.03%
Level 1 (GCSEs 3-1)
18
7.47%
Total 16+ residents: 241

Housing

Housing tenure

Owns with a mortgage
57
45.6%
Owns outright
36
28.8%
Private landlord or letting agency
30
24%
Social rents from council
1
0.8%
Other forms of private rent
1
0.8%
Total households: 125

Property prices in Southwick Green

Median price£392,000
Price per sq ft£444
Sales (last 12 months)45
Typical range (middle 50%)£316K – £541K

Based on 45 recent sales, the median property price is £392,000 (about £444 per square foot) in Southwick Green area, with individual transactions ranging from £195,000 up to £945,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Southwick Green over the last year.
TypeSalesMedian£/sq ft
Detached5£683,000£525
Semi-Detached13£475,000£450
Terraced20£374,250£439
Flats7£265,300£404

10-year price trendmedian sale price in Southwick Green

Sale price

Ten year median sale price trend for each property type in Southwick Green.
YearDetachedFlatsSemi-DetachedTerraced
2016£400,000£225,500£365,000£295,000
2017£505,000£217,500£430,000£287,500
2018£602,500£221,250£450,000£330,000
2019£598,750£226,500£360,000£353,750
2020£662,500£230,000£437,250£300,000
2021£575,000£227,500£446,500£360,000
2022£617,500£249,000£595,000£469,000
2023£595,000£259,000£525,000£315,000
2024£632,500£223,342£448,150£310,000
2025£567,500£243,225£532,500£385,000
2026£744,000£290,000£416,000£338,000
Ten year median sale price trend for each property type in Southwick Green.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Southwick Green.
YearDetachedFlatsSemi-DetachedTerraced
2016£391£339£322£357
2017£388£361£383£364
2018£357£310£391£362
2019£416£319£363£334
2020£427£361£402£393
2021£446£327£390£381
2022£499£354£429£454
2023£529£370£424£429
2024£443£385£420£435
2025£481£381£455£442
2026£441£408£458£454
Ten year median sale price per square foot trend for each property type in Southwick Green.

Price distribution by property typelast 12 months

Price distribution by property type for Southwick Green in the last year.

Recent sales

There were 50+ recent sold properties in the last 18 months near BN42 4HL.

Recent sold properties in the last 18 months near BN42 4HL
DateAddressTypeTenurePriceMap
06 Nov 2025100, Underdown Road, Brighton, BN42 4HLTerracedFreehold£541,000
08 Aug 202540, Underdown Road, Brighton, BN42 4HLTerracedFreehold£385,000
08 Aug 202596, Underdown Road, Brighton, BN42 4HLTerracedFreehold£525,000
03 Feb 2025Flat 2, Warren Court, Underdown Road, Brighton, BN42 4HNFlatsLeasehold£265,000
06 Jun 202528, Cross Road, Brighton, BN42 4HFTerracedFreehold£310,000

Schools

In the BN42 4HL postcode area, located within Hillside, there are 6 primary and 2 secondary schools in close proximity.

Nearby primary and secondary schools for BN42 4HL
DistancePhaseNameTypeRating
0.3 miPrimaryGlebe Primary SchoolAcademy converter

N/A

0.4 miSecondaryShoreham AcademyAcademy sponsor led

Outstanding

0.5 miPrimaryEastbrook Primary AcademyAcademy sponsor led

Outstanding

Local amenities

6 nearby supermarkets & convenience stores within mi of BN42 4HL

Nearby supermarkets & convenience stores for BN42 4HL
DistanceNameAddressDirections
0.3 miLondisHillside, Adur, BN42 4QBWalking directions to Londis
0.3 miParish's Off Licence & Convenience Store40 Southwick Square, Southwick, Brighton, BN42 4FJWalking directions to Parish's Off Licence & Convenience Store
0.3 miCo-op FoodSouthwick Square, Adur, BN42 4FBWalking directions to Co-op Food
0.3 miLittle Waitrose18 Southwick Square, Southwick, Brighton, BN42 4FJWalking directions to Little Waitrose
0.4 miCraft NewsagentsKingston Broadway, Shoreham-by-Sea, BN43 6TEWalking directions to Craft Newsagents

Council Tax Bands

Annual council tax rates for Adur district (2025-26).

Band A£1,622
Band B£1,892
Band C£2,162
Band D£2,433
Band E£2,973
Band F£3,514
Band G£4,054
Band H£4,865

Council tax bands are based on the value of your property. Most homes fall into bands A to D.

Local councillor and member of parliament

Elected local representatives for BN42 4HL, including ward councillors and the local member of parliament.

Local councillors

Dan Flower

Southwick Green - Elected 7 May 2026

Labour Party

Member of parliament

Tom Rutland

East Worthing and Shoreham - Elected 4 Jul 2024

Labour Party

Geographic Information

RegionSouth EastUKJ
DistrictAdurE07000223
Parliamentary ConstituencyEast Worthing and ShorehamE14001218
WardSouthwick GreenE05007574
ParishAdur, unparished areaE43000147
MSOA (Middle Layer Super Output Area)HillsideE02006534
LSOA (Lower Layer Super Output Area)Adur 001FE01031374
Police ForceSussex
Postcode Introduced1990-07-01

Frequently asked questions about BN42 4HL

Is BN42 4HL (Hillside) safe?

The area around BN42 4HL records about 24 crimes per 1,000 residents per year, which is a very low crime rate for England: it scores 2 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across South East as a whole the rate is about 84 per 1,000. The most common offences locally are violence and sexual offences, shoplifting and anti-social behaviour.

What is the average house price near BN42 4HL?

The median sale price around BN42 4HL in Hillside is £392,000 (about £444 per square foot) based on 45 registered sales according to HM Land Registry data.

What schools are near BN42 4HL?

There are 11 schools close to BN42 4HL, including Glebe Primary School, Shoreham Academy (Outstanding) and Eastbrook Primary Academy (Outstanding). Ratings are from the latest Ofsted inspections.

What is the nearest station to BN42 4HL?

The closest station to BN42 4HL is Southwick, about 759 m away.

How deprived is the area around BN42 4HL?

BN42 4HL scores 3 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 22,969 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents BN42 4HL (Hillside) in Parliament and on the local council?

The Member of Parliament for East Worthing and Shoreham covering BN42 4HL is Tom Rutland (Labour Party), elected at the 2024 general election. The area is represented by 1 local councillor: Dan Flower (Labour Party).

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.