# Seaford Town in Lewes, South East. Seaford is a town in Lewes, South East. Median sale price £370,000 in 2025. Recorded crime 47.7 per 1,000 people. About 23,907 people. Town. Code E63006626. In: [Towns](https://openindex.co.uk/places/towns) › [Lewes](https://openindex.co.uk/lewes) 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. ## Key figures - **Median sale price: £370,000** (2025). The median price paid for a home in Seaford was £370,000 in 2025. Joint 236th most expensive of 1,092. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/town/seaford#f-house-sales-median-price - **Population: 23,865** (2021). Seaford had 23,865 usual residents at the census (ONS Census 2021). 462nd most populated of 1,209. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/town/seaford#f-population - **People in radon Affected Area squares: 100%** (2022). About 100% of people in Seaford live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/town/seaford#f-radon-affected-share - **Gigabit broadband coverage: 78.6%** (January 2026). In Seaford, 78.6% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/town/seaford#f-gigabit-coverage ## On the map - [Radon Affected Area by town](https://openindex.co.uk/map/radon-affected-areas?place=E63006626) (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. - [Sales per year by town](https://openindex.co.uk/map/house-sales-per-year?place=E63006626) (Worked out by Open Index · 2025): 458 homes were sold in Seaford in 2025. - [Crime and ASB by town](https://openindex.co.uk/map/recorded-crime?place=E63006626) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Seaford. - [Population by town](https://openindex.co.uk/map/population?place=E63006626) (Census 2021, England and Wales): Seaford had 23,865 usual residents at the census. ## How Seaford compares Each town against every other town the measure covers. | Measure | Seaford | Rank | Compared with | | --- | --- | --- | --- | | Median sale price | £370,000 | joint 87th cheapest | 209 towns, South East · 2025 | | Population | 23,865 | 91st most populated | 209 towns, South East · 2021 | | People in radon Affected Area squares | 100% | joint most people in radon Affected Areas | 209 towns, South East · 2022 | | Gigabit broadband coverage | 78.6% | joint 21st lowest | 209 towns, South East · Jan 2026 | ## 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 Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England. ## Neighbourhoods in Seaford | Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband | | --- | --- | --- | --- | --- | | [Lewes 011A](https://openindex.co.uk/lewes/neighbourhood/e01021069) | 1,544 | 21.1 per 1,000 | 9 | 80.8% | | [Lewes 011B](https://openindex.co.uk/lewes/neighbourhood/e01021075) | 1,834 | 25.8 per 1,000 | 7 | 74.7% | | [Lewes 011C](https://openindex.co.uk/lewes/neighbourhood/e01021077) | 1,493 | 23.8 per 1,000 | 9 | 78.4% | | [Lewes 011D](https://openindex.co.uk/lewes/neighbourhood/e01021081) | 1,572 | 46.2 per 1,000 | 8 | 79.6% | | [Lewes 011E](https://openindex.co.uk/lewes/neighbourhood/e01021082) | 1,609 | 30.7 per 1,000 | 9 | 78.5% | | [Lewes 011F](https://openindex.co.uk/lewes/neighbourhood/e01021083) | 1,290 | 11.9 per 1,000 | 10 | 94.7% | | [Lewes 012A](https://openindex.co.uk/lewes/neighbourhood/e01021072) | 1,570 | 22.8 per 1,000 | 10 | 80.9% | | [Lewes 012B](https://openindex.co.uk/lewes/neighbourhood/e01021073) | 1,449 | 32.4 per 1,000 | 8 | 77.6% | | [Lewes 012C](https://openindex.co.uk/lewes/neighbourhood/e01021074) | 1,757 | 55.4 per 1,000 | 4 | 80.0% | | [Lewes 012D](https://openindex.co.uk/lewes/neighbourhood/e01021076) | 1,879 | 46.5 per 1,000 | 4 | 82.5% | | [Lewes 012E](https://openindex.co.uk/lewes/neighbourhood/e01021078) | 1,379 | 29.3 per 1,000 | 9 | 88.3% | | [Lewes 013A](https://openindex.co.uk/lewes/neighbourhood/e01021070) | 1,621 | 42.7 per 1,000 | 6 | 88.6% | | [Lewes 013B](https://openindex.co.uk/lewes/neighbourhood/e01021071) | 1,858 | 151.8 per 1,000 | 4 | 55.0% | | [Lewes 013C](https://openindex.co.uk/lewes/neighbourhood/e01021079) | 1,506 | 84.4 per 1,000 | 6 | 78.3% | | [Lewes 013D](https://openindex.co.uk/lewes/neighbourhood/e01021080) | 1,503 | 65.0 per 1,000 | 6 | 83.3% | ## Your MP - [Lewes](https://openindex.co.uk/constituency/lewes): James MacCleary (Liberal Democrat), MP since July 2024. As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API. ## Council [Lewes](https://openindex.co.uk/lewes) ## Postcode districts covering Seaford [BN25](https://openindex.co.uk/postcode/bn25) ## Middle areas in Seaford [East Blatchington](https://openindex.co.uk/lewes/east-blatchington), [Seaford Eastbourne Road](https://openindex.co.uk/lewes/seaford-eastbourne-road), [Seaford Town](https://openindex.co.uk/lewes/seaford-town) ## Towns near Seaford [Newhaven](https://openindex.co.uk/town/newhaven), [Peacehaven](https://openindex.co.uk/town/peacehaven), [Brighton and Hove](https://openindex.co.uk/brighton-and-hove), [Eastbourne](https://openindex.co.uk/eastbourne), [Polegate](https://openindex.co.uk/town/polegate), [Lewes](https://openindex.co.uk/town/lewes) ## 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. ## About - Type: Town - Code: E63006626 - Constituency: [Lewes †](https://openindex.co.uk/constituency/lewes) - Council: [Lewes †](https://openindex.co.uk/lewes) - Region: [South East](https://openindex.co.uk/south-east) - Nation: [England](https://openindex.co.uk/england) - Area: 6.67 km² - People, mid-2024: 23,907* - Neighbourhoods: 15 - Output areas: 83 * People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact. † Best fit: the constituency and council this town mostly lies in. Its edges do not follow theirs. ## Next door [Newhaven](https://openindex.co.uk/town/newhaven), [Peacehaven](https://openindex.co.uk/town/peacehaven), [Brighton and Hove](https://openindex.co.uk/brighton-and-hove), [Eastbourne](https://openindex.co.uk/eastbourne), [Polegate](https://openindex.co.uk/town/polegate), [Lewes](https://openindex.co.uk/town/lewes) ## Latest updates for Seaford - Dental practices updated: NHS England · Oct 2026. - Schools updated: Ofsted · Oct 2026. - GP practices updated: NHS England · Oct 2026. - Schools updated: Department for Education · Oct 2026. The same figures as JSON: https://openindex.co.uk/v1/places/E63006626 ## How to cite Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/town/seaford, or to one figure with its anchor, https://openindex.co.uk/town/seaford#f-house-sales-median-price. Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it. Snapshot 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/town/seaford