SA15 postcode area guide — Carmarthenshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SA15 postcode district in Carmarthenshire — every official dataset on one page.
Check any UK postcode
Where is SA15?
Broadband & internet speeds in SA15
Strong coverage
Superfast (30Mb+)
93.8%
Ultrafast (300Mb+)
70.2%
Gigabit-capable
70.2%
Below USO (10Mb)
0.5%
Broadband availability in the SA15 postcode district (Carmarthenshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 994 postcodes Ofcom measures in SA15, superfast broadband (30 Mbit/s or faster) reaches 93.8% of premises and gigabit-capable lines are available to 70.2%.
Around 0.5% of premises in SA15 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in SA15
| Postcode | Superfast | Gigabit |
|---|---|---|
| SA15 1AB | 100% | 20% |
| SA15 1AF | 100% | 0% |
| SA15 1AG | 100% | 100% |
| SA15 1AH | 100% | 0% |
| SA15 1AJ | 100% | 100% |
| SA15 1AL | 100% | 100% |
| SA15 1AN | 100% | 100% |
| SA15 1AP | 100% | 0% |
| SA15 1AQ | 87% | 4.3% |
| SA15 1AR | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Carmarthenshire
Ofcom's coverage model for the wider Carmarthenshire district (95,165 premises):
4G indoors — all networks
80.3%
4G outdoors — all networks
95.7%
5G outdoors — all networks
—
Voice indoors — all networks
83%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in SA15
Police recorded 64 incidents within about a mile of the centre of SA15 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 32 | 50.0% |
| Public order | 7 | 10.9% |
| Burglary | 6 | 9.4% |
| Criminal damage & arson | 6 | 9.4% |
| Anti-social behaviour | 4 | 6.3% |
| Other crime | 4 | 6.3% |
| Drugs | 2 | 3.1% |
| Other theft | 2 | 3.1% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in SA15
Based on 357 sales registered with HM Land Registry in the last 12 months, the median sold price in SA15 is £145,000, up 3.6% on the previous year (£140,000).
Detached
£305,000
46 sales
Semi-detached
£162,000
110 sales
Terraced
£126,600
171 sales
Flat / maisonette
£105,000
11 sales
Latest recorded sales in SA15
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 19 May 2026 | £127,000 | Semi-detached | Corporation Avenue | SA15 3NA |
| 15 May 2026 | £143,000 | Semi-detached | Brynmelyn Avenue | SA15 3RT |
| 15 May 2026 | £147,000 | Terraced | Llwyn Cyfarthwch | SA15 1GY |
| 13 May 2026 | £67,000 | Terraced | Brynallt Terrace | SA15 1ND |
| 11 May 2026 | £300,000 | Semi-detached | Chapman Street | SA15 3EB |
| 11 May 2026 | £400,000 | Detached | Rhes Brickyard Row | SA15 2EN |
| 8 May 2026 | £126,500 | Terraced | Langland Road | SA15 1BR |
| 8 May 2026 | £144,000 | Semi-detached | Penyfan Road | SA15 1JG |
| 8 May 2026 | £95,000 | Terraced | Gwendraeth Row | SA15 5NA |
| 8 May 2026 | £172,500 | Terraced | Bassett Terrace | SA15 4DU |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? Carmarthenshire demographics
Census 2021 figures for the wider Carmarthenshire district (187,897 residents, 81,759 households):
| Age profile | |
|---|---|
| Under 15 | 17.3% |
| 15–29 | 19.9% |
| 30–44 | 16.9% |
| 45–64 | 21.8% |
| 65+ | 24.2% |
| Housing tenure | |
|---|---|
| Owner-occupied | 70.4% |
| Private rented | 15% |
| Social rented | 3.9% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around SA15
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Heol Goffa School | Not applicable | — | — | SA15 3LS |
| Stebonheath C.P. School | Not applicable | — | — | SA15 1NB |
| Pentip V.A. C.I.W. Primary School | Not applicable | — | — | SA15 3BL |
| Coedcae School | Not applicable | — | — | SA15 1LJ |
| Ysgol Gyfun Y Strade | Not applicable | — | — | SA15 4DL |
| Ysgol Pen Rhos | Not applicable | — | — | SA15 2TS |
| Canolfan Y Gors | Not applicable | — | — | SA15 4BG |
| Alternative Learning Company | Not applicable | — | — | SA15 1NE |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in SA15
311 rated food businesses operate in SA15. 194 hold the top rating of 5, 38 are rated 4, and 4 are rated 2 or below.
Among the 5-rated: AFFALON NURSING HOME, American Steamed Dogs, Anyone Waiting Cafe, Asda Express Pontyates, ASDA STORES LTD.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SA15
From a sample of 196 Energy Performance Certificates across 11 SA15 postcodes, the most common rating is band C (average band D). 51% of sampled homes are rated C or better.
Band B
21%
Band C
30%
Band D
29%
Band E
15%
Band F
5%
Band G
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for Carmarthenshire
Landlines around SA15 typically use:
Had a call from an unknown number? Use our free UK phone number checker to see who called.
What's it like living in SA15?
Be the first to rate SA15 (Carmarthenshire).
How would you rate living in SA15 (Carmarthenshire)?
Moving to SA15? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Carmarthenshire — free, no-obligation quote.
Postcodes in SA15
Neighbouring districts
All Swansea (SA) postcode districts ›
Frequently asked questions
Where is the SA15 postcode?
How much do houses cost in SA15?
Is SA15 a safe area?
What broadband can I get in SA15?
Who lives in SA15?
How energy efficient are homes in SA15?
Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.