# Seaton Delaval & Seghill

South east Northumberland. 8,251 people (mid-2024 estimate) in 14 square kilometres.

Seaton Delaval & Seghill had 8,155 usual residents at the census (ONS Census 2021).

Middle area. Code E02005719. In: [North East](https://openindex.co.uk/north-east) › [Northumberland](https://openindex.co.uk/northumberland)

## Key figures

- **Median sale price: £179,975** (2025). The median price paid for a home in Seaton Delaval & Seghill was £179,975 in 2025. Joint 1,032nd cheapest of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/northumberland/seaton-delaval-and-seghill#f-house-sales-median-price
- **Population: 8,155** (2021). Seaton Delaval & Seghill had 8,155 usual residents at the census (ONS Census 2021). Joint 3,284th most populated of 9,448. 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/northumberland/seaton-delaval-and-seghill#f-population
- **People in radon Affected Area squares: 4%** (2022). About 4% of people in Seaton Delaval & Seghill 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/northumberland/seaton-delaval-and-seghill#f-radon-affected-share
- **Gigabit broadband coverage: 90.4%** (January 2026). In Seaton Delaval & Seghill, 90.4% 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/northumberland/seaton-delaval-and-seghill#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=E02005719) (Worked out by Open Index · 2022): About 4% of people in Seaton Delaval & Seghill live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by middle area](https://openindex.co.uk/map/house-sales-per-year?place=E02005719) (Worked out by Open Index · 2025): 122 homes were sold in Seaton Delaval & Seghill in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=E02005719) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Seaton Delaval & Seghill.
- [Population by middle area](https://openindex.co.uk/map/population?place=E02005719) (Census 2021, England and Wales): Seaton Delaval & Seghill had 8,155 usual residents at the census.

## Recorded crime in Seaton Delaval & Seghill

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Seaton Delaval & Seghill at a rate of 94.0 per 1,000 people.
That compares with 77.4 per 1,000 people across Northumberland.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

| Kind of crime, 12 months to August 2026 | Count |
| --- | --- |
| Anti-social behaviour | 239 |
| Violence and sexual offences | 203 |
| Other crime | 142 |
| Shoplifting | 71 |
| Criminal damage and arson | 62 |
| Vehicle crime | 24 |
| Burglary | 16 |
| Drug offences | 11 |
| Robbery | 5 |
| Theft from the person | 3 |

Source: police.uk, 12 months to August 2026.

## How Seaton Delaval & Seghill compares

Each middle area against every other middle area the measure covers.

| Measure | Seaton Delaval & Seghill | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £179,975 | 15th cheapest | 38 middle areas, Northumberland · 2025 |
| Population | 8,155 | 19th most populated | 38 middle areas, Northumberland · 2021 |
| People in radon Affected Area squares | 4% | 7th fewest people in radon Affected Areas | 38 middle areas, Northumberland · 2022 |
| Gigabit broadband coverage | 90.4% | 17th lowest | 38 middle areas, Northumberland · Jan 2026 |

## Is Seaton Delaval & Seghill safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Seaton Delaval & Seghill at a rate of 94.0 per 1,000 people.
That compares with 77.4 per 1,000 people across Northumberland.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 68 cases of crime and anti-social behaviour were recorded in Seaton Delaval & Seghill.
In the 12 months to August 2026, the most common types were anti-social behaviour (239), violence and sexual offences (203) and other crime (142).
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.

## Figures for the whole of Northumberland

These figures are published for the whole of Northumberland, not for each middle area, so they describe all of Northumberland and not Seaton Delaval & Seghill alone. [See Northumberland](https://openindex.co.uk/northumberland)

- **Average house price: £213,113** (August 2026). Northumberland’s average house price was £213,113 in August 2026 (HM Land Registry). Up 4.5% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £37,721** (2025). Full-time workers living in Northumberland earned a median of £37,721 in 2025 (ONS earnings survey). 147th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 5.6×** (2025). A home in Northumberland costs 5.6 times local full-time pay. Joint 66th most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Deprivation score: 22.0** (2025). Northumberland has a deprivation score of 22.0 in the English Indices of Deprivation 2025 (MHCLG). Joint 114th most deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Seaton Delaval & Seghill in brief

The median price paid for a home in Seaton Delaval & Seghill was £179,975 in 2025.
Seaton Delaval & Seghill had 8,155 usual residents at the census.
About 4% of people in Seaton Delaval & Seghill live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Seaton Delaval & Seghill, 90.4% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: E02005719
- Ward: [Seghill with Seaton Delaval †](https://openindex.co.uk/northumberland/ward/seghill-with-seaton-delaval)
- Constituency: [Cramlington and Killingworth †](https://openindex.co.uk/constituency/cramlington-and-killingworth)
- Council: [Northumberland](https://openindex.co.uk/northumberland)
- Region: [North East](https://openindex.co.uk/north-east)
- Nation: [England](https://openindex.co.uk/england)
- Area: 13.64 km²
- People, mid-2024: 8,251*
- Neighbourhoods: 5
- Output areas: 30

* People: worked out by Open Index by adding up the neighbourhood estimates inside this area.
† Best fit: the ward and constituency this middle area mostly lies in. Its edges do not follow theirs.

## Next door

[Holywell & Hartley](https://openindex.co.uk/northumberland/holywell-and-hartley), [Cramlington North & East](https://openindex.co.uk/northumberland/cramlington-north-and-east), [Blyth Newsham](https://openindex.co.uk/northumberland/blyth-newsham), [Fordley](https://openindex.co.uk/north-tyneside/fordley), [Shiremoor North & South Wellfield](https://openindex.co.uk/north-tyneside/shiremoor-north-and-south-wellfield), [Cramlington South](https://openindex.co.uk/northumberland/cramlington-south)

## Latest updates for Seaton Delaval & Seghill

- 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/E02005719

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/northumberland/seaton-delaval-and-seghill, or to one figure with its anchor, https://openindex.co.uk/northumberland/seaton-delaval-and-seghill#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. The HTML page: https://openindex.co.uk/northumberland/seaton-delaval-and-seghill