SA3 Postcode District

SA3 is the Postcode District for Mumbles, Swansea West Glamorgan


A wide range of spatial data has been analysed to present this overview of the SA3 Postcode district. If you would like anything added, please contact us.


The SA3 postcode district is a postal district located in the SA Swansea postcode area with a population of 25,354 residents according to the 2021 England and Wales Census.

The area of the SA3 postcode district is 50.67 square miles which is 131.25 square kilometres or 32,431.55 acres.

Currently, the SA3 district has about 728 postcode units spread across 5 geographic postcode sectors.

Given that each sector allows for 400 unique postcode combinations, the district has a capacity of 2,000 postcodes. With 728 postcodes already in use, this leaves 1272 units available.

The largest settlement in the SA3 postal code is WEST CROSS followed by MUMBLES, and Bishopston.

The postcode area has a boundary with The Bristol Channel.

The SA3 Postcode shares a border with SA4 (GORSEINON, PONTARDDULAIS, LOUGHOR) and SA2 (SKETTY, UPLANDS, KILLAY).

The primary settlement in the SA3 postcode district is Horton, located in the county of West Glamorgan, within the post town of Swansea. Other significant settlements in this postcode district include Landimore, Llangennith, Llanmadoc, Llanrhidian, Oxwich, Port Eynon, Reynoldston, and Rhossili. These settlements are also part of Swansea in the county of West Glamorgan.

For the district SA3, we have data on 6 postcode sectors. Here's a breakdown: The sector SA3 1, covers Reynoldston and Llangennith and Llanrhidian and Llanmadoc in West Glamorgan. The sector SA3 2, covers Southgate and Parkmill and Penmaen in West Glamorgan. The sector SA3 3, covers Bishopston and Murton in West Glamorgan. The sector SA3 4, covers Mumbles and Newton and Langland in West Glamorgan. The sector SA3 5, covers West Cross and Mayals and Blackpill in West Glamorgan. The sector SA3 9 is non-geographic. It's often designated for PO Boxes, large organisations, or special services.


SA3 Postcode Sectors

Map Showing Location of the SA3 postcode Sector
Where is the SA3 Postcode Sector?
A word cloud for the SA3 postcode
A word cloud showing place names for the SA3 postcode district

Map of the SA3 Postcode District

Explore the SA3 postcode district by using our free interactive map.

Map of the SA3 and surrounding districts

When it comes to local government, postal geography often disregards political borders. However, for a breakdown in the SA3 District: the district mostly encompasses the Abertawe - Swansea area with a total of 735 postcodes.

Where is the SA3 Postcode District?

The postcode district for the data provided is located in Swansea. Swansea is a district town in Wales. It is situated nearby several towns, including Llanelli to the North, Ferryside to the North West, Neath to the East, and Ammanford to the North East. The distance from the postcode district to London is approximately 174.47 miles.

The district is within the post town of SWANSEA.

The sector has postcodes within the nation of Wales.

The SA3 Postcode District is in the Swansea region of West Wales within the Wales.

Postcode Sectors within the SA3 District

Postcode Districts that Share a Border with SA3

Royal Mail Delivery and Sorting Offices serving the SA3 Postcode District
Postcode Sector Delivery Office
SA3 1Gorseinon Delivery Office
SA3 2Mumbles Delivery Office
SA3 3Mumbles Delivery Office
SA3 4Mumbles Delivery Office
SA3 5Mumbles Delivery Office
Postcode format for the SA3 postcode district
SA3 - X X X
SA3 Space Numeric Letter Letter

Tourist Attractions within the SA3 Postcode Area

We found 3 visitor attractions within the SA3 postcode area

Oxwich Castle
View Oxwich Castle on Google Maps
Oystermouth Castle
View Oystermouth Castle on Google Maps
Weobley Castle
View Weobley Castle on Google Maps

Current Monthly Rental Prices

# Bedrooms Min Price Max Price Avg Price
1 £750 £750 £750
2 £900 £1,250 £1,075
3 £1,500 £1,500 £1,500

Current House Prices

# Bedrooms Min Price Max Price Avg Price
£210,000 £399,000 £284,750
1 £50,000 £445,000 £183,564
2 £55,995 £699,000 £260,330
3 £175,000 £775,000 £455,345
4 £300,000 £1,500,000 £687,028
5 £525,000 £995,000 £723,500
6 £1,075,000 £1,100,000 £1,087,500
7 £650,000 £725,000 £687,500
9 £500,000 £500,000 £500,000

Estate Agents who Operate in the SA3 District

LogoNameBrand NameAddressContact NumberTotal Properties
Astleys MumblesMumblesAstleys33a Newton Road, Mumbles, SA3 4AS01748 90290848
Simpsons MumblesMumblesSimpsons68 Newton Road, Mumbles, SA3 4BE01792 94960021
John Francis MumblesMumblesJohn Francis76 Newton Road, Mumbles, SA3 4BE01792 94973617
The Greenroom MumblesMumblesThe GreenroomGower House 29-30 Dunns Lane Mumbles SA3 4AA01792 94965413
Purplebricks covering Swanseacovering SwanseaPurplebricksSuite 7 First Floor Cranmore Drive Shirley Solihull B90 4RZ020 3889 91819

Yearly House Price Averages for the SA3 Postcode District

Type of Property 2018 Average 2018 Sales 2017 Average 2017 Sales 2016 Average 2016 Sales 2015 Average 2015 Sales
Detached £429,492196 £396,223171 £381,349194 £382,290196
Semi-Detached £264,309119 £248,978149 £232,810130 £228,119111
Terraced £224,81574 £210,96689 £253,84195 £211,526103
Flats £182,60666 £191,18688 £193,73495 £182,62764