SA48 postcode area guide — Carmarthenshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SA48 postcode district in Carmarthenshire — every official dataset on one page.
Check any UK postcode
Where is SA48?
Broadband & internet speeds in SA48
Strong coverage
Superfast (30Mb+)
74.1%
Ultrafast (300Mb+)
42.3%
Gigabit-capable
42.3%
Below USO (10Mb)
4.6%
Broadband availability in the SA48 postcode district (Carmarthenshire) is Strong — superfast is near-universal and gigabit is rolling out. Across the 374 postcodes Ofcom measures in SA48, superfast broadband (30 Mbit/s or faster) reaches 74.1% of premises and gigabit-capable lines are available to 42.3%.
Around 4.6% of premises in SA48 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 SA48
| Postcode | Superfast | Gigabit |
|---|---|---|
| SA48 7AA | 100% | 0% |
| SA48 7AB | 92.3% | 41% |
| SA48 7AD | 100% | 100% |
| SA48 7AE | 100% | 0% |
| SA48 7AF | 100% | 100% |
| SA48 7AG | 85.7% | 85.7% |
| SA48 7AH | 100% | 100% |
| SA48 7AJ | 87% | 8.7% |
| SA48 7AL | 100% | 33.3% |
| SA48 7AN | 100% | 0% |
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.
House prices in SA48
Based on 92 sales registered with HM Land Registry in the last 12 months, the median sold price in SA48 is £225,000, up 1.4% on the previous year (£222,000).
Detached
£305,000
41 sales
Semi-detached
£175,000
20 sales
Terraced
£170,000
12 sales
Flat / maisonette
£133,000
3 sales
Latest recorded sales in SA48
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 18 May 2026 | £177,777 | Semi-detached | Bro Llan | SA48 7LB |
| 18 May 2026 | £315,000 | Detached | Bro Clywedog | SA48 8LD |
| 15 May 2026 | £80,000 | Other | SA48 8LL | |
| 1 May 2026 | £270,000 | Detached | SA48 8DA | |
| 24 Apr 2026 | £81,000 | Flat | Penbryn | SA48 7EU |
| 20 Apr 2026 | £185,000 | Semi-detached | Cwrt Deri | SA48 8EJ |
| 9 Apr 2026 | £225,000 | Detached | SA48 8RA | |
| 9 Apr 2026 | £290,000 | Terraced | Bryn Road | SA48 7EE |
| 26 Mar 2026 | £290,000 | Detached | SA48 8NX | |
| 26 Mar 2026 | £425,000 | Detached | SA48 7NQ |
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 SA48
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Ysgol Y Dderi | Not applicable | — | — | SA48 8LY |
| Ysgol Carreg Hirfaen | Not applicable | — | — | SA48 8EP |
| Ysgol Bro Pedr | Not applicable | — | — | SA48 7BX |
| Ysgol Dyffryn Aeron | Not applicable | — | — | SA48 8AE |
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 SA48
99 rated food businesses operate in SA48. 62 hold the top rating of 5, 16 are rated 4, and 1 are rated 2 or below.
Among the 5-rated: Academy of Sinology UK, Arla Foods Ingredients Felinfach Limited, Artisans, Banc Bwyd Llambed/Lampeter Food Bank, Bardsey View Bar.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SA48
From a sample of 166 Energy Performance Certificates across 10 SA48 postcodes, the most common rating is band D (average band D). 26% of sampled homes are rated C or better.
Band A
1%
Band B
6%
Band C
19%
Band D
44%
Band E
17%
Band F
11%
Band G
2%
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 SA48 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 SA48?
Be the first to rate SA48 (Carmarthenshire).
How would you rate living in SA48 (Carmarthenshire)?
Moving to SA48? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Carmarthenshire — free, no-obligation quote.
Postcodes in SA48
Neighbouring districts
All Swansea (SA) postcode districts ›
Frequently asked questions
Where is the SA48 postcode?
How much do houses cost in SA48?
What broadband can I get in SA48?
Who lives in SA48?
How energy efficient are homes in SA48?
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.