SA66 postcode area guide — Carmarthenshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the SA66 postcode district in Carmarthenshire — every official dataset on one page.
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Where is SA66?
Broadband & internet speeds in SA66
Mixed coverage
Superfast (30Mb+)
56.2%
Ultrafast (300Mb+)
17.4%
Gigabit-capable
17.4%
Below USO (10Mb)
9.8%
Broadband availability in the SA66 postcode district (Carmarthenshire) is Mixed — superfast is available to many but not all premises. Across the 163 postcodes Ofcom measures in SA66, superfast broadband (30 Mbit/s or faster) reaches 56.2% of premises and gigabit-capable lines are available to 17.4%.
Around 9.8% of premises in SA66 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 SA66
| Postcode | Superfast | Gigabit |
|---|---|---|
| SA66 7AD | 100% | 100% |
| SA66 7AE | 100% | 0% |
| SA66 7HB | 33.3% | 0% |
| SA66 7HD | 33.3% | 33.3% |
| SA66 7HE | 100% | 0% |
| SA66 7HG | 100% | 0% |
| SA66 7HH | 44.4% | 44.4% |
| SA66 7HL | 50% | 50% |
| SA66 7HN | 0% | 0% |
| SA66 7HP | 0% | 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 SA66
Based on 30 sales registered with HM Land Registry in the last 12 months, the median sold price in SA66 is £222,000, down 8.6% on the previous year (£243,000).
Detached
£255,000
15 sales
Semi-detached
£189,950
7 sales
Terraced
£217,500
3 sales
Latest recorded sales in SA66
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 12 May 2026 | £180,000 | Terraced | Heol Y Gaer | SA66 7NB |
| 15 Apr 2026 | £255,000 | Detached | SA66 7LG | |
| 13 Apr 2026 | £227,000 | Other | SA66 7JS | |
| 26 Mar 2026 | £450,000 | Detached | SA66 7NA | |
| 24 Mar 2026 | £165,000 | Detached | Temple Druid Cottages | SA66 7XS |
| 23 Mar 2026 | £170,000 | Semi-detached | SA66 7NE | |
| 30 Jan 2026 | £295,000 | Other | SA66 7LF | |
| 28 Jan 2026 | £148,000 | Semi-detached | SA66 7HR | |
| 23 Jan 2026 | £255,000 | Other | Llanwen Terrace | SA66 7XR |
| 9 Jan 2026 | £255,000 | Detached | SA66 7NA |
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 SA66
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Brynconin CP | Not applicable | — | — | SA66 7TF |
| Y.G. Maenclochog | Not applicable | — | — | SA66 7LB |
| Ysgol Beca | Not applicable | — | — | SA66 7UX |
| Nant-y-cwm Steiner School | Not applicable | — | — | SA66 7QJ |
| Redhill High School | Not applicable | — | — | SA66 7PN |
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 SA66
35 rated food businesses operate in SA66. 26 hold the top rating of 5, 3 are rated 4, and none are currently rated 2 or below.
Among the 5-rated: Angel Inn, Brynconin CP School, Brynhaul B & B, Caermaenau Fawr B&B, Caffi Beca.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in SA66
From a sample of 86 Energy Performance Certificates across 11 SA66 postcodes, the most common rating is band E (average band D). 24% of sampled homes are rated C or better.
Band A
1%
Band B
14%
Band C
9%
Band D
24%
Band E
29%
Band F
17%
Band G
5%
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 SA66 typically use:
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What's it like living in SA66?
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Moving to SA66? Sort your connectivity first
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Postcodes in SA66
Neighbouring districts
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Frequently asked questions
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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.