# Seaham

Town in County Durham, North East.

Seaham is a town in County Durham, North East. Median sale price £130,000 in 2025. Recorded crime 127.1 per 1,000 people. About 22,008 people.

Town. Code E63000168. In: [Towns](https://openindex.co.uk/places/towns) › [County Durham](https://openindex.co.uk/county-durham)

Seaham is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Seaham 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: £130,000** (2025). The median price paid for a home in Seaham was £130,000 in 2025. Joint 15th cheapest 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/seaham#f-house-sales-median-price
- **Population: 21,660** (2021). Seaham had 21,660 usual residents at the census (ONS Census 2021). 502nd 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/seaham#f-population
- **People in radon Affected Area squares: 100%** (2022). About 100% of people in Seaham 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/seaham#f-radon-affected-share
- **Gigabit broadband coverage: 94.9%** (January 2026). In Seaham, 94.9% 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/seaham#f-gigabit-coverage

## On the map

- [Radon Affected Area by town](https://openindex.co.uk/map/radon-affected-areas?place=E63000168) (Worked out by Open Index · 2022): About 100% of people in Seaham 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=E63000168) (Worked out by Open Index · 2025): 277 homes were sold in Seaham in 2025.
- [Crime and ASB by town](https://openindex.co.uk/map/recorded-crime?place=E63000168) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Seaham.
- [Population by town](https://openindex.co.uk/map/population?place=E63000168) (Census 2021, England and Wales): Seaham had 21,660 usual residents at the census.

## How Seaham compares

Each town against every other town the measure covers.

| Measure | Seaham | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £130,000 | joint 8th cheapest | 60 towns, North East · 2025 |
| Population | 21,660 | 28th most populated | 60 towns, North East · 2021 |
| People in radon Affected Area squares | 100% | joint most people in radon Affected Areas | 60 towns, North East · 2022 |
| Gigabit broadband coverage | 94.9% | joint 21st highest | 60 towns, North East · Jan 2026 |

## Is Seaham safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Seaham at a rate of 127.1 per 1,000 people.
That compares with 115.6 per 1,000 people across North East.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 276 cases of crime and anti-social behaviour were recorded in Seaham.
In the 12 months to August 2026, the most common types were violence and sexual offences (765), anti-social behaviour (663) and criminal damage and arson (394).
A year earlier, the recorded crime rate in Seaham was 98.4 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 Seaham, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so Seaham has no single figure. Of its 15 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 4 neighbourhoods
- Decile 2: 4 neighbourhoods
- Decile 3: 2 neighbourhoods
- Decile 5: 2 neighbourhoods
- Decile 8: 1 neighbourhood
- Decile 9: 1 neighbourhood
- Decile 10 (England’s least deprived 10%): 1 neighbourhood

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in Seaham

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [County Durham 016A](https://openindex.co.uk/county-durham/neighbourhood/e01020750) | 1,079 | 60.9 per 1,000 | 8 | 99.1% |
| [County Durham 016D](https://openindex.co.uk/county-durham/neighbourhood/e01020786) | 1,523 | 42.3 per 1,000 | 9 | 84.6% |
| [County Durham 016E](https://openindex.co.uk/county-durham/neighbourhood/e01020787) | 1,802 | 85.7 per 1,000 | 2 | 96.6% |
| [County Durham 016F](https://openindex.co.uk/county-durham/neighbourhood/e01033163) | 2,007 | 82.5 per 1,000 | 10 | 88.7% |
| [County Durham 016H](https://openindex.co.uk/county-durham/neighbourhood/e01034492) | 2,145 | 68.6 per 1,000 | 5 | 98.9% |
| [County Durham 017A](https://openindex.co.uk/county-durham/neighbourhood/e01020740) | 1,397 | 46.7 per 1,000 | 3 | 99.3% |
| [County Durham 017B](https://openindex.co.uk/county-durham/neighbourhood/e01020741) | 1,107 | 164.0 per 1,000 | 1 | 97.2% |
| [County Durham 017C](https://openindex.co.uk/county-durham/neighbourhood/e01020742) | 1,705 | 110.0 per 1,000 | 2 | 87.6% |
| [County Durham 017D](https://openindex.co.uk/county-durham/neighbourhood/e01020782) | 1,247 | 105.2 per 1,000 | 5 | 97.0% |
| [County Durham 017E](https://openindex.co.uk/county-durham/neighbourhood/e01020783) | 1,223 | 81.4 per 1,000 | 3 | 99.7% |
| [County Durham 017F](https://openindex.co.uk/county-durham/neighbourhood/e01020784) | 1,487 | 485.5 per 1,000 | 1 | 85.1% |
| [County Durham 018A](https://openindex.co.uk/county-durham/neighbourhood/e01020743) | 1,778 | 106.4 per 1,000 | 2 | 99.9% |
| [County Durham 018B](https://openindex.co.uk/county-durham/neighbourhood/e01020747) | 1,235 | 238.3 per 1,000 | 1 | 100.0% |
| [County Durham 018C](https://openindex.co.uk/county-durham/neighbourhood/e01020748) | 1,215 | 154.1 per 1,000 | 2 | 100.0% |
| [County Durham 018D](https://openindex.co.uk/county-durham/neighbourhood/e01020749) | 1,320 | 103.9 per 1,000 | 1 | 99.6% |

## Your MP

- [Easington](https://openindex.co.uk/constituency/easington): Grahame Morris (Labour), 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

[County Durham](https://openindex.co.uk/county-durham)

## Postcode districts covering Seaham

[SR7](https://openindex.co.uk/postcode/sr7)

## Middle areas in Seaham

[Murton North & Parkside](https://openindex.co.uk/county-durham/murton-north-and-parkside), [Seaham Central & South](https://openindex.co.uk/county-durham/seaham-central-and-south), [Seaham Northlea & Westlea](https://openindex.co.uk/county-durham/seaham-northlea-and-westlea)

## Towns near Seaham

[Sunderland](https://openindex.co.uk/town/sunderland), [Hetton-le-Hole](https://openindex.co.uk/town/hetton-le-hole), [Peterlee](https://openindex.co.uk/town/peterlee), [Houghton-le-Spring](https://openindex.co.uk/town/houghton-le-spring), [Shiney Row and Penshaw](https://openindex.co.uk/town/shiney-row-and-penshaw), [Washington](https://openindex.co.uk/town/washington)

## Seaham in brief

Seaham is a town in County Durham, North East.
About 22,008 people lived in Seaham in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £130,000 in 2025 across 277 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 127.1 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in Seaham was £130,000 in 2025.
Seaham had 21,660 usual residents at the census.
About 100% of people in Seaham live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Seaham, 94.9% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Town
- Code: E63000168
- Constituency: [Easington †](https://openindex.co.uk/constituency/easington)
- Council: [County Durham †](https://openindex.co.uk/county-durham)
- Region: [North East](https://openindex.co.uk/north-east)
- Nation: [England](https://openindex.co.uk/england)
- Area: 5.82 km²
- People, mid-2024: 22,008*
- Neighbourhoods: 15
- Output areas: 73

* 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

[Sunderland](https://openindex.co.uk/town/sunderland), [Hetton-le-Hole](https://openindex.co.uk/town/hetton-le-hole), [Peterlee](https://openindex.co.uk/town/peterlee), [Houghton-le-Spring](https://openindex.co.uk/town/houghton-le-spring), [Shiney Row and Penshaw](https://openindex.co.uk/town/shiney-row-and-penshaw), [Washington](https://openindex.co.uk/town/washington)

## Latest updates for Seaham

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/E63000168

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/town/seaham, or to one figure with its anchor, https://openindex.co.uk/town/seaham#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 2026.10.9, https://doi.org/10.5281/zenodo.23508848. The HTML page: https://openindex.co.uk/town/seaham