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: ONS Postcode Directory, August 2026, loaded 20 October 2026.
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
Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.
Postcodes without gigabit
70 postcodes here have no gigabit. These are the 12 first in postcode order.
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.
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 checkerSource: Ofcom Connected Nations, Connected Nations, Spring 2026, data for January 2026.
What do homes sell for in SA1?
Homes in SA1 sold for a typical £142,500 in the 12 months to September 2026, across 386 sales, HM Land Registry's figures show. The 12 months before gave £144,000 from 552 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached £220,000 8 sales
- Semi-detached £180,000 69 sales
- Terraced £142,248 224 sales
- Flat or maisonette £124,000 85 sales
Each bar is that kind's typical price, against the most expensive kind here.
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 October 2026.
Postcodes in SA1
Pick a sector, then a postcode. A sector is the district plus the next digit.
Places in SA1
Towns and villages with postcodes in SA1, and how many each has here.
Who covers SA1
How many of the district's postcodes in use fall under each council, constituency and police force area.
Councils
- Swansea1,287
- Neath Port Talbot13
Constituencies
- Swansea West916
- Neath and Swansea East366
- Gower18
Police force areas
- South Wales1,300
Next to SA1
"Next to" is by number: the district after SA1 in the SA area.
Check a postcode
Where the facts on this page come from
- Office for National Statistics: ONS Postcode Directory
- Ofcom Connected Nations
- HM Land Registry Price Paid Data
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
Licence: Open Government Licence v3.0.
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