CA20 Postcode District
CA20 is the Postcode District for Seascale in Cumbria
The CA20 postcode district is located in the CA Carlisle postal area, CA20 has a population of 3,171 residents according to the 2021 England and Wales Census..
The area of the district is 56.95 square miles (147.50 square kilometres or 36,447.29 acres).
A wide range of spatial data has been analysed to present this overview of CA20. If you would like anything added, please contact us.
Map of CA20
Explore the postcode district using the interactive map.
Larger circles indicate higher recorded crime totals.
On this page
District overview
In the CA20 postcode district in Cumbria, the primary settlement is Seascale. Other significant settlements in this district include Calderbridge, Gosforth, Ponsonby, Sellafield, Wasdale, Wasdale Head, and Wellington. The most significant post town in this district is Seascale. The county in which these settlements are located is Cumbria.
There are 1 postcode sectors within the district. Here's a breakdown:
The sector CA20 1, covers Seascale and Gosforth in Cumbria.
The post town for this district is SEASCALE.
When it comes to local government, postal geography often disregards political borders. However, this district intersects the following councils: the district mostly encompasses the Cumberland area with a total of 196 postal codes.
Postcode sectors and neighbouring districts
Nearest towns
To help place the district geographically, here are nearby towns and their approximate direction from the district centre.
| Town | Distance (miles) | Direction |
|---|---|---|
| Egremont | 6.77 | WNW |
| Cleator Moor | 7.59 | NW |
| Whitehaven | 11.05 | NW |
| Keswick | 13.61 | NE |
| Broughton in Furness | 13.89 | SSE |
| Cockermouth | 14.36 | N |
| Workington | 14.90 | NNW |
| Ambleside | 16.33 | E |
| Millom | 17.40 | SSE |
| Maryport | 18.66 | NNW |
| Bowness-on-Windermere | 19.10 | ESE |
| Windermere | 19.29 | ESE |
| Ulverston | 21.15 | SSE |
| Aspatria | 21.30 | N |
| Dalton-in-Furness | 22.03 | SSE |
| Barrow-in-Furness | 24.50 | SSE |
| Grange-over-Sands | 25.87 | SE |
| Kendal | 26.45 | ESE |
| Wigton | 26.80 | NNE |
| Silloth | 28.55 | N |
Postcode information
Total geographical postcodes: 197
| Location | Post Town | Sector | Number of postcodes |
|---|---|---|---|
| SEASCALE | SEASCALE | CA20 1 | 104 |
| Gosforth | SEASCALE | CA20 1 | 36 |
| Gosforth | SEASCALE | CA20 1 | 16 |
| Calderbridge | SEASCALE | CA20 1 | 9 |
| Calderbridge | SEASCALE | CA20 1 | 6 |
| Wellington | SEASCALE | CA20 1 | 5 |
| Sellafield | SEASCALE | CA20 1 | 4 |
| SEASCALE | SEASCALE | CA20 1 | 4 |
| Ponsonby | SEASCALE | CA20 1 | 3 |
| Wellington | SEASCALE | CA20 1 | 2 |
| Gosforth | SEASCALE | CA20 1 | 1 |
| Ponsonby | SEASCALE | CA20 1 | 1 |
| Sellafield | SEASCALE | CA20 1 | 1 |
| Wasdale Head | SEASCALE | CA20 1 | 1 |
| Wasdale Head | SEASCALE | CA20 1 | 1 |
| Wasdale | SEASCALE | CA20 1 | 1 |
| Wellington | SEASCALE | CA20 1 | 1 |
| Gosforth | SEASCALE | CA20 1 | 1 |
Street list for CA20
Crime overview
Top streets by recorded crime
| Street | Crime count |
|---|---|
| PELHAM DRIVE | 111 |
| CROFT HEAD ROAD | 28 |
| THE BRIDLES | 13 |
| ALBERT STREET | 11 |
| SANTON WAY | 11 |
| WHOLE HOUSE ROAD | 8 |
| THE BANKS | 7 |
| THE DRIVE | 5 |
| LINGMELL | 5 |
| THE CRESCENT B5344 | 5 |
Most common crime types
| Crime type | Count |
|---|---|
| Violence and sexual offences | 135 |
| Other theft | 88 |
| Criminal damage and arson | 60 |
| Public order | 30 |
| Other crime | 12 |
| Burglary | 10 |
| Drugs | 4 |
| Shoplifting | 3 |
| Vehicle crime | 3 |
| Possession of weapons | 3 |
| Anti-social behaviour | 1 |
Retail and shopping
| Street | Town | Locality | Number of shops | Central postcode | Map |
|---|---|---|---|---|---|
| SEASCALE | GOSFORTH | 8 | CA20 1AS | View map |
Schools in the district
Gosforth CofE Primary School
Phase: Primary
Address:
Wasdale Road , Gosforth , Seascale
Postcode: CA20 1AZ
Headteacher: Mrs Leanne Long (Headteacher)
Ofsted rating: Good
Seascale Primary School
Phase: Primary
Address:
Crofthead Road , Seaascale , Seascale
Postcode: CA20 1LZ
Headteacher: Mrs Laura Storey (Headteacher)
Ofsted rating: Good
Healthcare services
Data accessed from NHS Digital and updated monthly.
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | Seascale Health Centre | GOSFORTH ROAD, SEASCALE, CA20 1PN | GP PRACTICE | Call 01946 728101 |
Data accessed from NHS Digital and updated monthly.
| # | Name | Address | Type | Contact |
|---|---|---|---|---|
| 1 | Seascale Pharmacy | GOSFORTH ROAD, SEASCALE, CUMBRIA, CA20 1PR | PHARMACY | Call 01946 728323 |
Data accessed from NHS Digital and updated monthly.
Data accessed from NHS Digital and updated monthly.
Property and housing
Yearly house price averages for the district
| Type of property | 2025 average | 2025 sales | 2024 average | 2024 sales | 2023 average | 2023 sales | 2022 average | 2022 sales |
|---|---|---|---|---|---|---|---|---|
| Detached | £303,238 | 24 | £279,945 | 19 | £265,526 | 17 | £307,321 | 19 |
| Semi-detached | £191,000 | 23 | £180,829 | 32 | £170,898 | 20 | £194,936 | 28 |
| Terraced | £216,075 | 12 | £201,300 | 10 | £149,814 | 11 | £162,750 | 20 |
| Flats | N/A | N/A | £75,000 | 2 | £109,500 | 2 | £148,833 | 3 |
Transport and connectivity
Stations in the district
Seascale
CRS Code: SSC
Operator: NT
Line: Cumbrian Coast line
Company: Northern
Sellafield
CRS Code: SEL
Operator: NT
Line: Cumbrian Coast line
Company: Northern
Accessible motorway junctions
M6 J40
Average Driving Time from within the district: 67.08
Average Driving Distance: 53.29
Number of Postcodes that can access the Motorway Junction: 18
M6 J36
Average Driving Time from within the district: 72.15
Average Driving Distance: 58.01
Number of Postcodes that can access the Motorway Junction: 10
M6 J41
Average Driving Time from within the district: 72.29
Average Driving Distance: 53.62
Number of Postcodes that can access the Motorway Junction: 9
M6 J39
Average Driving Time from within the district: 82.33
Average Driving Distance: 66.27
Number of Postcodes that can access the Motorway Junction: 8
M6 J37
Average Driving Time from within the district: 82.65
Average Driving Distance: 64.84
Number of Postcodes that can access the Motorway Junction: 3
M6 J38
Average Driving Time from within the district: 94.68
Average Driving Distance: 76.73
Number of Postcodes that can access the Motorway Junction: 1
Royal Mail delivery and sorting offices
| Postal sector | Delivery office |
|---|---|
| CA20 1 | Seascale Scale Payment Delivery Office |
Postcode format
| C | A | 2 | 0 | - | X | X | X |
| C | A | 2 | 0 | Space | Numeric | Letter | Letter |
Administrative and boundary notes
The largest settlement in the CA20 postal code is SEASCALE followed by Gosforth, and Calderbridge.
The postcode area has a boundary with The Irish Sea.
The CA20 Postcode shares a border with CA12 (KESWICK, Threlkeld, Braithwaite), CA13 (COCKERMOUTH, Great Broughton, Brigham), CA23 (CLEATOR, Ennerdale, Kinniside), CA22 (EGREMONT, Thornhill, Bigrigg), CA21 (BECKERMET, Braystones) and CA19 (Drigg, Eskdale, HOLMROOK).
Maps and visuals
Weather
Weather Forecast for Seatallan
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