Seaford
TownTown in Lewes, South East.
Seaford is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Seaford add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.
Radon Affected Area by town
Worked out by Open Index · 2022
About 100% of people in Seaford live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Seaford compares
Each dot is a town. The black line marks the middle one.
Is Seaford safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Seaford at a rate of 47.7 per 1,000 people.
That compares with 81.3 per 1,000 people across South East.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 117 cases of crime and anti-social behaviour were recorded in Seaford.
In the 12 months to August 2026, the most common types were violence and sexual offences (435), anti-social behaviour (258) and other crime (191).
A year earlier, the recorded crime rate in Seaford was 52.0 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in Seaford, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so Seaford has no single figure. Of its 15 neighbourhoods with a rank:
- Decile 4: 3 neighbourhoods
- Decile 6: 3 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 2 neighbourhoods
- Decile 9: 4 neighbourhoods
- Decile 10 (England’s least deprived 10%): 2 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in Seaford
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Lewes 011A | 1,544 | 21.1 per 1,000 | 9 | 80.8% |
| Lewes 011B | 1,834 | 25.8 per 1,000 | 7 | 74.7% |
| Lewes 011C | 1,493 | 23.8 per 1,000 | 9 | 78.4% |
| Lewes 011D | 1,572 | 46.2 per 1,000 | 8 | 79.6% |
| Lewes 011E | 1,609 | 30.7 per 1,000 | 9 | 78.5% |
| Lewes 011F | 1,290 | 11.9 per 1,000 | 10 | 94.7% |
| Lewes 012A | 1,570 | 22.8 per 1,000 | 10 | 80.9% |
| Lewes 012B | 1,449 | 32.4 per 1,000 | 8 | 77.6% |
| Lewes 012C | 1,757 | 55.4 per 1,000 | 4 | 80.0% |
| Lewes 012D | 1,879 | 46.5 per 1,000 | 4 | 82.5% |
| Lewes 012E | 1,379 | 29.3 per 1,000 | 9 | 88.3% |
| Lewes 013A | 1,621 | 42.7 per 1,000 | 6 | 88.6% |
| Lewes 013B | 1,858 | 151.8 per 1,000 | 4 | 55.0% |
| Lewes 013C | 1,506 | 84.4 per 1,000 | 6 | 78.3% |
| Lewes 013D | 1,503 | 65.0 per 1,000 | 6 | 83.3% |
Your MP
- James MacClearyLiberal DemocratMP for Lewes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Council1
Postcode districts covering Seaford1
Middle areas in Seaford3
Towns near Seaford6
Seaford in brief
Seaford is a town in Lewes, South East.
About 23,907 people lived in Seaford in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £370,000 in 2025 across 458 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 47.7 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Seaford was £370,000 in 2025.
Seaford had 23,865 usual residents at the census.
About 100% of people in Seaford live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Seaford, 78.6% of homes and businesses could get gigabit-capable broadband in January 2026.