Sea Mills on the map

Location in BristolSea Mills sits where the marker shows within the county.

30,663
Population
12,489
Households
8 / 10
Deprivation decile
Among least deprived
12
Schools nearby
£71,697
Avg. household income
1,478
Businesses
2,597
People per km²
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About Sea Mills

Sea Mills is a suburb located in the city of Bristol, England, within the BS9 postcode area. It lies to the north of the River Avon and is primarily residential, featuring a mix of housing styles that reflect various periods of development. The area has a range of local amenities, including shops, schools, and parks, making it a convenient place for families and individuals alike.

The suburb is well-connected to the rest of Bristol, with public transport options available for easy access to the city centre. The nearby River Avon offers opportunities for pleasant walks along its banks, and the surrounding greenery provides spaces for outdoor activities. Sea Mills is also close to the historic Avon Gorge, which is a notable landmark in the region.

School Ratings in Sea Mills

There are 182 schools in and around Sea Mills. Elmlea Infant School is rated Outstanding by Ofsted. A further 5 schools hold a Good rating.

House Prices in Sea Mills

The average property price is £581K, with semi-detached homes making up the majority of the housing stock at around £602K.

Crime and Anti-Social Behaviour in Sea Mills

Recorded crime levels are higher than the national average. Shoplifting is prevalent across Sea Mills, with 115 recorded incidents in April 2026.

Deprivation and Employment in Sea Mills

According to the 2025 Index of Multiple Deprivation, Sea Mills ranks among the least deprived areas in England. Employment levels are strong, with low rates of working-age exclusion from the labour market. Household incomes are generally above the national average.

Healthcare in Sea Mills

There are 31 GP surgeries within three miles of Sea Mills, the nearest being Westbury On Trym Primary Care Centre (1.2 miles away).

Property Prices 3,916 sales

Average Price £581K
£200 , £13.78M
Detached £918K 834
Semi £602K 1,384
Terraced £465K 639
Flat £332K 942

Household Income in Sea Mills ONS 2023

The average total household income in Sea Mills is approximately £71,697 a year before tax, 30% above the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £51,478. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Sea Mills £71,697
England & Wales avg. £55,302

Net (after tax) household income averages £51,478.

Businesses in Sea Mills ONS 2025

There are approximately 1,478 active businesses based in Sea Mills, around 48 for every 1,000 residents. The local economy is dominated by small firms: about 92% are micro-businesses employing fewer than 10 people, while 14 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,478 Total businesses
48 Per 1,000 residents
Micro, 0-9 92%
Small, 10-49 7%
Medium, 50-249 1%
Large, 250+ 0%

Deprivation and Employment in Sea Mills IMD 2025

Sea Mills is one of the least deprived areas in England according to the 2025 Index of Multiple Deprivation. Employment opportunities are widely accessible and household incomes tend to sit comfortably above the national average. The area benefits from strong local services and a settled, established community.

Overall Deprivation
8/10
Income
8/10
Employment
8/10
Education
8/10
Health
8/10
Housing
8/10
Living Environment
5/10
Children 0-15 18%
Working age 59%
Older 65+ 23%
5,601 Children (0-15) 18%
18,207 Working Age 59%
6,863 Older (65+) 22%
Above Average Child Poverty (IDACI) 13.1% of children in income-deprived families
Above Average Older Person Poverty (IDAOPI) 9.1% of over-60s in income-deprived households
Data from English Indices of Deprivation 2025 · Contains public sector information licensed under the Open Government Licence v3.0

Crime in Sea Mills 698 crimes · April 2026

High Crime Area

Sea Mills sees higher than average levels of reported crime relative to its population. Violence & sexual offences represents the most frequently recorded category. This pattern is not uncommon in densely populated urban areas and does not necessarily reflect the experience of most residents.

Violence & Sexual Offences 220
Shoplifting 115
Anti-Social Behaviour 83
Vehicle Crime 54
Criminal Damage & Arson 50
Public Order 45
Other Theft 40
Burglary 32
Other Crime 17
Drugs 16
Robbery 13
Bicycle Theft 7
Weapons 4
Theft from Person 2
Local Policing
Avon And Somerset Stoke Bishop
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 6 stations

Sea Mills Train Station 0.6 miles
Shirehampton Train Station 1.7 miles
Portway Park And Ride Train Station 1.9 miles
Clifton Down Train Station 2 miles
Redland Train Station 2.2 miles
Montpelier Train Station 2.6 miles

Location

Local Government

District Bristol, City of
Ward Westbury-on-Trym & Henleaze
Constituency Bristol North West
Parish Bristol, City of, unparished area
Region South West

Home Ownership in Sea Mills

Of the 11,473 households in and around Sea Mills, 78% are owned, 10% are socially rented and 12% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 78% Social rented 10% Private rented 12%

Tenure from the 2021 Census (ONS), for the postcode districts covering Sea Mills.

Frequently Asked Questions about Sea Mills

What is the population of Sea Mills?
Sea Mills has a population of approximately 30,663 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Sea Mills?
The average property in and around Sea Mills sold for about £580,874, based on HM Land Registry Price Paid records. That is around 66% above the England and Wales average of £349,091.
Is Sea Mills a deprived area?
Sea Mills sits among the least deprived areas in England, with an Index of Multiple Deprivation decile of 8 out of 10, where 1 is the most deprived and 10 the least deprived.
What postcodes cover Sea Mills?
Sea Mills is covered by the BS9 postcode district.
How many schools are there in Sea Mills?
There are 12 schools within easy reach of Sea Mills, spanning primary, secondary and other phases.
Where is the nearest train station to Sea Mills?
The nearest railway station to Sea Mills is Sea Mills Train Station, about 0.6 miles away.