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Sea Mills

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About

Sea Mills is a residential district in northwest Bristol, situated where the River Trym meets the River Avon. The area is primarily composed of post-war housing, with a mix of terraced homes and larger semi-detached properties. Its layout is defined by several main roads leading to the nearby suburbs of Shirehampton and Coombe Dingle.

The area has ancient origins, with its name derived from tidal mills that once operated here. A notable feature is the Sea Mills railway station, which serves the local community and provides a direct link to Bristol Temple Meads. The suburb includes a small shopping precinct and is bordered by the wooded slopes of the Trym Valley.

Area overview

On average Sea Mills has average deprivation and high crime levels, with around 85 crimes per 1,000 residents per year, in line with the South West average of 85 per 1,000. Approximately 26% of homes in this area are social housing provided by a local council or housing association. The average income per household in Sea Mills is £55,974 per year. There are 1 schools in Sea Mills: 1 primary (0 Outstanding and 1 Good) and 0 secondary (0 Outstanding and 0 Good). Sea Mills is home to around 6,221 people, with a population density of about 2,272.5 per km².

Crime rate
8/10
Crimes per 1k residents
85
Deprivation level
6/10
Income level
7/10
Social housing
26%
Connectivity
N/A

Area Profile

Sea Mills Population
6,221
Population density
2,272.5 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
45.65(+37%)
Anti-social behaviour
19.13(+28%)
Public order
9.64(+47%)
Criminal damage and arson
8.84(+36%)
Other theft
4.66(-17%)
South West average

Demographics

Ethnic groups

British
5,073
81.56%
Other White
361
5.8%
African
127
2.04%
White and Black Caribbean (mixed)
97
1.56%
Other Asian
79
1.27%
Total population: 6,220

Economics

Education (age 16+)

Level 4+ (Degree)
1,860
37.94%
No qualifications
829
16.91%
Level 3 (A level)
690
14.08%
Level 2 (GCSEs 9-4)
610
12.44%
Level 1 (GCSEs 3-1)
511
10.42%
Total 16+ residents: 4,902

Housing

Housing tenure

Owns outright
807
32.37%
Owns with a mortgage
783
31.41%
Social rents from council
600
24.07%
Private landlord or letting agency
171
6.86%
Other social rented
70
2.81%
Total households: 2,493

Property prices in Sea Mills

Median price£402,500
Price per sq ft£394
Sales (last 12 months)56
Typical range (middle 50%)£319K – £475K

Based on 56 recent sales, the median property price is £402,500 (about £394 per square foot) in Sea Mills area, with individual transactions ranging from £110,000 up to £1,200,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Sea Mills over the last year.
TypeSalesMedian£/sq ft
Detached3£800,000£398
Semi-Detached37£412,500£412
Terraced13£325,000£339
Flats3£150,000£213

10-year price trendmedian sale price in Sea Mills

Sale price

Ten year median sale price trend for each property type in Sea Mills.
YearDetachedFlatsSemi-DetachedTerraced
2016£625,000£184,000£285,000£250,000
2017£585,000£155,000£312,500£252,000
2018£660,000£155,000£312,900£280,000
2019£810,000£197,500£310,000£262,000
2020£575,000£277,000£330,000£290,000
2021£662,500£238,750£357,500£292,500
2022£710,000£190,248£380,000£372,500
2023£720,000£210,000£356,500£372,500
2024£850,000£160,000£432,000£332,500
2025£875,000£185,000£396,000£335,000
2026£800,000£150,000£424,750£319,000
Ten year median sale price trend for each property type in Sea Mills.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Sea Mills.
YearDetachedFlatsSemi-DetachedTerraced
2016£299£265£312£287
2017£349£278£310£271
2018£398£353£313£299
2019£378£244£318£281
2020£415£283£342£329
2021£428£296£375£318
2022£465£317£415£368
2023£465£320£385£343
2024£591£437£427£367
2025£398£374£411£358
2026£411£160£411£328
Ten year median sale price per square foot trend for each property type in Sea Mills.

Price distribution by property typelast 12 months

Price distribution by property type for Sea Mills in the last year.

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.