# Sea Mills

North west Bristol. 6,203 people (mid-2024 estimate) in 2.7 square kilometres.

Sea Mills had 6,221 usual residents at the census (ONS Census 2021).

Middle area. Code E02003018. In: [South West](https://openindex.co.uk/south-west) › [Bristol](https://openindex.co.uk/bristol)

## Key figures

- **Median sale price: £380,000** (2025). The median price paid for a home in Sea Mills was £380,000 in 2025. Joint 2,155th most expensive of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/bristol/sea-mills#f-house-sales-median-price
- **Population: 6,221** (2021). Sea Mills had 6,221 usual residents at the census (ONS Census 2021). Joint 3,079th least 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/bristol/sea-mills#f-population
- **People in radon Affected Area squares: 100%** (2022). About 100% of people in Sea Mills 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/bristol/sea-mills#f-radon-affected-share
- **Gigabit broadband coverage: 99.1%** (January 2026). In Sea Mills, 99.1% 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/bristol/sea-mills#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas#place=E02003018) (Worked out by Open Index · 2022): About 100% of people in Sea Mills 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=E02003018) (Worked out by Open Index · 2025): 65 homes were sold in Sea Mills in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime#place=E02003018) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Sea Mills.
- [Population by middle area](https://openindex.co.uk/map/population#place=E02003018) (Census 2021, England and Wales): Sea Mills had 6,221 usual residents at the census.

## Recorded crime in Sea Mills

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sea Mills at a rate of 86.4 per 1,000 people.
That compares with 148.6 per 1,000 people across Bristol.
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 |
| --- | --- |
| Violence and sexual offences | 236 |
| Other crime | 110 |
| Anti-social behaviour | 78 |
| Criminal damage and arson | 48 |
| Vehicle crime | 25 |
| Burglary | 20 |
| Drug offences | 9 |
| Robbery | 8 |
| Shoplifting | 2 |
| Theft from the person | 0 |

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

## How Sea Mills compares

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

| Measure | Sea Mills | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £380,000 | 21st most expensive | 57 middle areas, Bristol · 2025 |
| Population | 6,221 | 5th least populated | 57 middle areas, Bristol · 2021 |
| People in radon Affected Area squares | 100% | joint most people in radon Affected Areas | 57 middle areas, Bristol · 2022 |
| Gigabit broadband coverage | 99.1% | joint 3rd highest | 57 middle areas, Bristol · Jan 2026 |

## Is Sea Mills safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Sea Mills at a rate of 86.4 per 1,000 people.
That compares with 148.6 per 1,000 people across Bristol.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 31 cases of crime and anti-social behaviour were recorded in Sea Mills.
In the 12 months to August 2026, the most common types were violence and sexual offences (236), other crime (110) and anti-social behaviour (78).
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 Bristol

These figures are published for the whole of Bristol, not for each middle area, so they describe all of Bristol and not Sea Mills alone. [See Bristol](https://openindex.co.uk/bristol)

- **Average house price: £353,596** (August 2026). Bristol’s average house price was £353,596 in August 2026 (HM Land Registry). Up 0.9% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £39,509** (2025). Full-time workers living in Bristol earned a median of £39,509 in 2025 (ONS earnings survey). 151st highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 8.9×** (2025). A home in Bristol costs 8.9 times local full-time pay. Joint 94th least 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: 22.5** (2025). Bristol has a deprivation score of 22.5 in the English Indices of Deprivation 2025 (MHCLG). Joint 108th most deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Sea Mills in brief

The median price paid for a home in Sea Mills was £380,000 in 2025.
Sea Mills had 6,221 usual residents at the census.
About 100% of people in Sea Mills live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Sea Mills, 99.1% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: E02003018
- Ward: [Stoke Bishop †](https://openindex.co.uk/bristol/ward/stoke-bishop)
- Constituency: [Bristol North West †](https://openindex.co.uk/constituency/bristol-north-west)
- Council: [Bristol](https://openindex.co.uk/bristol)
- Region: [South West](https://openindex.co.uk/south-west)
- Nation: [England](https://openindex.co.uk/england)
- Area: 2.74 km²
- People, mid-2024: 6,203*
- Neighbourhoods: 4
- Output areas: 20

* 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

[Lawrence Weston](https://openindex.co.uk/bristol/lawrence-weston), [Stoke Bishop](https://openindex.co.uk/bristol/stoke-bishop), [Westbury-on-Trym](https://openindex.co.uk/bristol/westbury-on-trym), [Pill & Easton](https://openindex.co.uk/north-somerset/pill-and-easton), [Shirehampton & Avonmouth](https://openindex.co.uk/bristol/shirehampton-and-avonmouth), [Henbury & Brentry](https://openindex.co.uk/bristol/henbury-and-brentry)

## Latest updates for Sea Mills

- 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/E02003018

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/bristol/sea-mills, or to one figure with its anchor, https://openindex.co.uk/bristol/sea-mills#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 2026.10.11. The HTML page: https://openindex.co.uk/bristol/sea-mills