SA1 postcode district: Swansea and around

SA1 is a postcode district in Wales, with 1,300 postcodes in use in 9 sectors. It has postcodes in Swansea. It is split between 2 councils: Swansea (1,287 postcodes) and Neath Port Talbot (13).

Postcodes in use: 1,300
Sectors: 9
Councils: 2 councils
Places: Swansea

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in SA1, by gigabit broadband

No home or business can get gigabit: 70
Some can get gigabit: 155
Every home and business can get gigabit: 969
Ofcom gives no figure: 106
Outline: where 5 or more postcodes without gigabit lie together

Of the 1,300 postcodes in SA1 that ONS places, 70 have no home or business that can get gigabit, 155 have some that can, 969 can all get it and 106 have no Ofcom figure.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

The middle of its postcodes: latitude 51.6267, longitude -3.9404. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; gigabit: Ofcom, Connected Nations, Spring 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Postcodes without gigabit

70 postcodes here have no gigabit. These are the 12 first in postcode order.

SA1 1AA SA1 1LY SA1 1RH SA1 1SB SA1 1SE SA1 1SH SA1 1TS SA1 1UE SA1 1UF SA1 1UG SA1 1UH SA1 1UL

Where the postcodes without gigabit lie together

22 postcodes without gigabit, outlined on the map. SA1 1UF, is the one nearest the middle of them.

What broadband can you get in SA1?

Ofcom reports on 1,194 of the 1,300 postcodes in SA1. At 969 of them every home and business can get gigabit broadband.

Postcodes where every home can get gigabit969 of 1,194

Postcodes where every home can get superfast1,125 of 1,194

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it

What do homes sell for in SA1?

Homes in SA1 sold for a typical £141,000 in the 12 months to August 2026, across 387 sales, down 0.4% on the 12 months before, HM Land Registry's figures show.

£141,000 typical price, the 12 months to August 2026

12 months to August 2025: £141,500
12 months to August 2026: £141,000

▼ down 0.4% on the 12 months before

Detached£255,000 9 sales

Semi-detached£162,000 67 sales

Terraced£142,000 225 sales

Flat or maisonette£125,000 86 sales

Standard sales of homes at market value. A typical price is the median, the middle sale. Sales take weeks to be registered, so the last month or two are incomplete. Each postcode page gives the figure for its own postcode sector.

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it