Sea Mill on the map

Location in CumbriaSea Mill sits where the marker shows within the county.

20,788
Population
9,089
Households
7 / 10
Deprivation decile
Around average
12
Schools nearby
£46,188
Avg. household income
1,065
Businesses
88
People per km²
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About Sea Mill

Sea Mill is located in Cumbria, England, within the postcode area LA12. This area is known for its scenic landscapes and proximity to the coastline. The mill itself has historical significance, having been part of the local industry for many years. Visitors can appreciate the architecture and the surrounding natural environment, which includes nearby walking trails and views of the sea.

The village offers a selection of amenities, including local shops and eateries, providing a taste of everyday life in this part of England. The nearby coastline invites exploration, with opportunities for leisurely walks along the shore. Sea Mill serves as a convenient base for those wishing to explore the wider region, including the Lake District National Park, which is easily accessible for day trips.

School Ratings in Sea Mill

Families in Sea Mill have access to 35 local schools. Sir John Barrow School is rated Outstanding by Ofsted. A further 6 schools hold a Good rating.

House Prices in Sea Mill

Homes sell for an average of £289K locally. Most of the housing is made up of terraced houses, averaging £192K.

Crime and Anti-Social Behaviour in Sea Mill

Crime in the area is broadly in line with the national average. Public order is the leading concern across Sea Mill, with 9 incidents recorded in April 2026.

Deprivation and Employment in Sea Mill

The 2025 Index of Multiple Deprivation places Sea Mill around the national average for deprivation. Working-age employment in the area is well above the national average. Residents in the area generally earn above the national average.

Property Prices 3,440 sales

Average Price £289K
£408 , £11.4M
Detached £414K 931
Semi £250K 898
Terraced £192K 1,125
Flat £178K 227

Household Income in Sea Mill ONS 2023

The average total household income in Sea Mill is approximately £46,188 a year before tax, 16% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £35,604. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Sea Mill £46,188
England & Wales avg. £55,302

Net (after tax) household income averages £35,604.

Businesses in Sea Mill ONS 2025

There are approximately 1,065 active businesses based in Sea Mill, around 51 for every 1,000 residents. The local economy is dominated by small firms: about 89% are micro-businesses employing fewer than 10 people, while 12 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,065 Total businesses
51 Per 1,000 residents
Micro, 0-9 89%
Small, 10-49 9%
Medium, 50-249 1%
Large, 250+ 1%

Deprivation and Employment in Sea Mill IMD 2025

Deprivation levels in Sea Mill are around the national average based on the 2025 Index of Multiple Deprivation. Employment is accessible for most residents and household incomes reflect the broader national picture. The area maintains a steady balance between affordability and quality of life.

Overall Deprivation
7/10
Income
8/10
Employment
8/10
Education
8/10
Health
7/10
Housing
4/10
Living Environment
3/10
Children 0-15 14%
Working age 59%
Older 65+ 27%
2,945 Children (0-15) 14%
12,331 Working Age 59%
5,516 Older (65+) 27%
Above Average Child Poverty (IDACI) 16.7% of children in income-deprived families
Above Average Older Person Poverty (IDAOPI) 8% 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 Mill 91 crimes · April 2026

Average Crime Area

Crime in Sea Mill is around the national average, with violence & sexual offences representing the most common offence type. These figures are characteristic of a town with an active centre and diverse population, and are neither unusually high nor particularly low.

Violence & Sexual Offences 49
Public Order 9
Other Theft 6
Shoplifting 6
Criminal Damage & Arson 5
Drugs 5
Anti-Social Behaviour 4
Other Crime 3
Weapons 2
Bicycle Theft 1
Vehicle Crime 1
Local Policing
Cumbria Ulverston, Coniston, Low Furness and High Furness Visit force website →
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

Roose Train Station 3.5 miles
Dalton (Cumbria) Train Station 3.7 miles
Barrow-In-Furness Train Station 4.7 miles
Ulverston Train Station 5.2 miles
Askam Train Station 6.3 miles
Cark And Cartmel Train Station 7 miles

Location

Local Government

District South Lakeland
County Cumbria
Ward Ulverston East
Constituency Barrow and Furness
Parish Ulverston
Region North West

Home Ownership in Sea Mill

Of the 9,617 households in and around Sea Mill, 76% are owned, 9% are socially rented and 15% are privately rented. Home ownership here is higher than the England and Wales average of 63%.

Owned 76% Social rented 9% Private rented 15%

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

Frequently Asked Questions about Sea Mill

What is the population of Sea Mill?
Sea Mill has a population of approximately 20,788 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Sea Mill?
The average property in and around Sea Mill sold for about £289,056, based on HM Land Registry Price Paid records. That is around 17% below the England and Wales average of £349,091.
Is Sea Mill a deprived area?
Sea Mill sits around the national average for deprivation, with an Index of Multiple Deprivation decile of 7 out of 10, where 1 is the most deprived and 10 the least deprived.
What postcodes cover Sea Mill?
Sea Mill is covered by the LA12 postcode district.
How many schools are there in Sea Mill?
There are 12 schools within easy reach of Sea Mill, spanning primary, secondary and other phases.
Where is the nearest train station to Sea Mill?
The nearest railway station to Sea Mill is Roose Train Station, about 3.5 miles away.