SA
Postcode areaPostcode area named after Swansea, with 53 districts.
Approximate outline worked out by Open Index from the ONS Postcode Directory: the outline joins its districts’ outlines, each made of the census output areas that hold most of the district’s postcodes.
Radon Affected Area by postcode area
Worked out by Open Index · 2022
About 85% of people in SA live in a 1 km square that the radon atlas marks as a radon Affected Area.
How SA compares
Each dot is a postcode area. The black line marks the middle one.
Every postcode area ranked: median sale price, population, people in radon affected area squares and gigabit broadband coverage.
Is SA safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SA at a rate of 86.6 per 1,000 people.
In August 2026 alone, 5,876 cases of crime and anti-social behaviour were recorded in SA.
In the 12 months to August 2026, the most common types were violence and sexual offences (28,260), other crime (12,446) and anti-social behaviour (8,524).
A year earlier, the recorded crime rate in SA was 86.4 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Postcode districts in SA
| Name | People (census) | Median sale price | Recorded crime per 1,000 |
|---|---|---|---|
| SA1Swansea, Mount Pleasant | 51,694 | £145,000 | 161.8 per 1,000 |
| SA2Swansea, Uplands | 36,583 | £270,000 | 51.3 per 1,000 |
| SA3Swansea, Mumbles | 25,362 | £370,000 | 42.4 per 1,000 |
| SA4Gorseinon, Pontarddulais | 45,944 | £232,000 | 45.5 per 1,000 |
| SA5Swansea, Port Mead | 35,760 | £160,000 | 90.0 per 1,000 |
| SA6Swansea, Morriston | 32,742 | £180,000 | 84.6 per 1,000 |
| SA7Swansea, Trallwn | 15,203 | £192,250 | 67.7 per 1,000 |
| SA8Pontardawe, Alltwen | 13,332 | £210,000 | 61.2 per 1,000 |
| SA9Ystalyfera, Ystradgynlais | 15,420 | £170,000 | 82.1 per 1,000 |
| SA10Neath, Skewen | 30,934 | £190,000 | 61.1 per 1,000 |
| SA11Neath, Mount Pleasant | 35,569 | £153,000 | 101.7 per 1,000 |
| SA12Port Talbot, Sandfields | 32,698 | £162,000 | 91.8 per 1,000 |
| SA13Port Talbot, Margam | 19,229 | £140,000 | 97.8 per 1,000 |
| SA14Llanelli | 35,468 | £199,000 | 75.9 per 1,000 |
| SA15Llanelli | 37,123 | £152,944 | 134.7 per 1,000 |
| SA16Burry Port, Pembrey | 8,213 | £190,000 | 85.7 per 1,000 |
| SA17Kidwelly, Mynyddygarreg | 10,632 | £192,149 | 59.8 per 1,000 |
| SA18Ammanford | 29,980 | £182,750 | 74.6 per 1,000 |
| SA19Llandeilo | 9,903 | £285,000 | 39.9 per 1,000 |
| SA20Llandovery, Cilycwm | 3,399 | £242,500 | 49.7 per 1,000 |
| SA31Carmarthen, Johnstown | 17,582 | £225,000 | 155.6 per 1,000 |
| SA32Peniel | 7,777 | £283,000 | 34.1 per 1,000 |
| SA33St Clears, Laugharne | 12,202 | £252,500 | 45.4 per 1,000 |
| SA34Whitland, Llanboidy | 5,434 | £241,250 | 51.8 per 1,000 |
| SA35Tegryn, Llanfyrnach | 715 | £225,051 | No figure |
| SA36Hermon, Tegryn | 396 | No figure | 62.7 per 1,000 |
| SA37Blaenffos, Boncath | 1,292 | £262,500 | 58.2 per 1,000 |
| SA38Newcastle Emlyn, Adpar | 4,877 | £287,500 | 62.8 per 1,000 |
| SA39Pencader, Llanllwni | 2,768 | £180,000 | 62.9 per 1,000 |
| SA40Llanybydder, Glan-Duar | 2,461 | £208,500 | 83.3 per 1,000 |
| SA41Crymych, Eglwyswrw | 1,757 | £198,000 | 59.6 per 1,000 |
| SA42Newport, Dinas Cross | 2,382 | £440,000 | 24.6 per 1,000 |
| SA43Cardigan, St Dogmaels | 12,310 | £238,750 | 81.9 per 1,000 |
| SA44Llandysul | 11,043 | £251,000 | 72.5 per 1,000 |
| SA45New Quay, Maen-y-groes | 1,537 | £270,000 | 51.9 per 1,000 |
| SA46Aberaeron, Aberarth | 2,569 | £243,750 | 94.1 per 1,000 |
| SA47Llanarth, Oakford | 1,226 | No figure | 52.2 per 1,000 |
| SA48Lampeter | 8,641 | £225,000 | 118.8 per 1,000 |
| SA61Haverfordwest, Albert Town | 14,575 | £191,500 | 176.7 per 1,000 |
| SA62Pembrokeshire | 21,027 | £250,000 | 48.5 per 1,000 |
| SA63Clarbeston Road, New Moat | 1,476 | £290,000 | 21.9 per 1,000 |
| SA64Goodwick, Stop-and-Call | 2,434 | £164,000 | 71.5 per 1,000 |
| SA65Fishguard, Penyraber | 4,431 | £232,500 | 88.7 per 1,000 |
| SA66Llandissilio, Clunderwen | 3,071 | £222,000 | 21.8 per 1,000 |
| SA67Narberth | 7,766 | £253,640 | 43.2 per 1,000 |
| SA68Kilgetty, Begelly | 3,933 | £270,000 | 33.0 per 1,000 |
| SA69Saundersfoot, Rusheylake | 3,396 | £302,500 | 61.5 per 1,000 |
| SA70Tenby, The Green | 9,095 | £265,000 | 83.4 per 1,000 |
| SA71Pembroke, Monkton | 10,578 | £210,000 | 97.5 per 1,000 |
| SA72Pembroke Dock, Pennar | 10,487 | £167,500 | 124.2 per 1,000 |
| SA73Milford Haven, Pill | 21,104 | £170,000 | 121.1 per 1,000 |
| SA80Plas-Marl | No figure | No figure | No figure |
| SA99Clase | 256 | No figure | 50.0 per 1,000 |
SA in brief
The SA postcode area, named after Swansea, has 53 postcode districts.
The median price paid for a home in SA was £200,000 in 2025.
SA had 735,786 usual residents at the census.
About 85% of people in SA live in a 1 km square that the radon atlas marks as a radon Affected Area.
In SA, 78.7% of homes and businesses could get gigabit-capable broadband in January 2026.