BN42 4HN maps, stats, and open data
BN42 4HN lies on Underdown Road in Southwick, Brighton. BN42 4HN is located in the Southwick Green electoral ward, within the local authority district of Adur and the English Parliamentary constituency of East Worthing and Shoreham. The Sub Integrated Care Board (ICB) Location is NHS Sussex ICB - 70F and the police force is Sussex. This postcode has been in use since July 1990.
BN42 4HN maps
Source: OS VectorMap District (Ordnance Survey)
Licence: Open Government Licence (requires attribution)
BN42 4HN geodata
| Easting | 524063 |
| Northing | 105907 |
| Latitude | 50.839401 |
| Longitude | -0.239395 |
Where is BN42 4HN?
| Street | Underdown Road |
| Locality | Southwick |
| Town/City | Brighton |
| Country | England |
| Postcode District | BN42 |
BN42 4HN Elevation
Elevation or altitude of BN42 4HN as distance above sea level:
| Metres | Feet | |
|---|---|---|
| Elevation | 10m | 33ft |
Elevation is measured from the approximate centre of the postcode, to the nearest point on an OS contour line from OS Terrain 50, which has contour spacing of ten vertical metres.
➜ How high above sea level am I? Find the elevation of your current position using your device's GPS.
Politics
| Ward | Southwick Green |
|---|---|
| Constituency | East Worthing And Shoreham |
House Prices
Sales of detached houses in BN42 4HN
NORFOLK LODGE, UNDERDOWN ROAD, SOUTHWICK, BRIGHTON, BN42 4HN 2025 24 OCT £515,000 |
HYDRENE, 45A, UNDERDOWN ROAD, SOUTHWICK, BRIGHTON, BN42 4HN 2019 22 NOV £600,000 |
Licence: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Transport
Nearest bus stops to BN42 4HN
| St Theresa's Church (Old Shoreham Road) | Southwick | 165m |
| St Theresa's Church (Old Shoreham Road) | Southwick | 191m |
| Kingston Way (Old Shoreham Road) | Southwick | 250m |
| Franklin Road (Kingston Lane) | Southwick | 330m |
| Franklin Road (Kingston Lane) | Southwick | 336m |
Nearest railway stations to BN42 4HN
| Southwick Station | 0.8km |
| Fishersgate Station | 1.5km |
| Shoreham-by-Sea (Sussex) Station | 2.3km |
Broadband
Broadband access in BN42 4HN (2020 data)
| Percentage of properties with Next Generation Access | 89.5% |
| Percentage of properties with Superfast Broadband | 89.5% |
| Percentage of properties with Ultrafast Broadband | 89.5% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
Broadband speed in BN42 4HN (2019 data)
Download
| Median download speed | 70.0Mbps |
| Average download speed | 86.4Mbps |
| Maximum download speed | 350.00Mbps |
Upload
| Median upload speed | 1.2Mbps |
| Average upload speed | 1.1Mbps |
| Maximum upload speed | 1.31Mbps |
Broadband limitations in BN42 4HN (2020 data)
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 10.5% |
BN42 4HN gas and electricity consumption
Estimated total energy consumption in BN42 4HN by fuel type, 2015.
Gas
| Consumption (kWh) | 558,388 |
|---|---|
| Meter count | 52 |
| Mean (kWh/meter) | 10,738 |
| Median (kWh/meter) | 11,296 |
Electricity
| Consumption (kWh) | 191,513 |
|---|---|
| Meter count | 58 |
| Mean (kWh/meter) | 3,302 |
| Median (kWh/meter) | 2,819 |
- Consumption: The estimated total energy consumption, in kWh, across all meters in BN42 4HN, for 2015.
- Meter count: The total number of meters in BN42 4HN.
- Mean: The mean average consumption per meter, in kWh.
- Median: The median average consumption per meter, in kWh.
Source: Postcode level electricity estimates: 2015 (experimental)
Licence: Open Government Licence
Deprivation
28.7% of English postcodes are less deprived than BN42 4HN:Food Standards Agency
Three nearest food hygiene ratings to BN42 4HN (metres)
➜ Get more ratings from the Food Standards Agency
Nearest post box to BN42 4HN
| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Southwick Square Post Office | 18:15 | 12:30 | 598m |
| Hawkins Road | 17:15 | 12:00 | 608m |
| Victoria Road | 17:15 | 12:15 | 683m |
BN42 4HN ITL and BN42 4HN LAU
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for BN42 4HN:
| ITL 1 Code | Name |
|---|---|
| TLJ | South East (England) |
| ITL 2 Code | Name |
| TLJ2 | Surrey, East and West Sussex |
| ITL 3 Code | Name |
| TLJ27 | West Sussex (South West) |
| LAU 1 Code | Name |
| E07000223 | Adur |
BN42 4HN census areas
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for BN42 4HN:
| Code | Name | |
|---|---|---|
| OA | E00159963 | |
| LSOA | E01031374 | Adur 001F |
| MSOA | E02006534 | Adur 001 |
Nearest postcodes to BN42 4HN
| BN42 4HL | Underdown Road | 46m |
| BN42 4HF | Cross Road | 103m |
| BN42 4TS | Southview Road | 132m |
| BN42 4HT | Old Shoreham Road | 150m |
| BN42 4HG | Cross Road | 159m |
| BN42 4TX | Southview Close | 160m |
| BN42 4TT | Southview Road | 164m |
| BN42 4HW | Cross Road Close | 179m |
| BN42 4HH | Cross Road | 195m |
| BN42 4TW | Southview Road | 201m |
- Contains OS data © Crown copyright and database right (2026)
- Contains Royal Mail data © Royal Mail copyright and Database right (2026)
- Contains National Statistics data © Crown copyright and database right (2026)
- Data produced by Land Registry © Crown copyright (2026)
- Contains Environment Agency data licensed under the Open Government Licence v3.0
- Everything else © GetTheData Publishing Limited (2026)
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