Skip to content
Postcode area report · 423 postcodes

SA17 postcode area guide — Carmarthenshire

House prices, crime, broadband speeds, mobile signal, schools and demographics for the SA17 postcode district in Carmarthenshire — every official dataset on one page.

SA17 is a postcode district in Carmarthenshire, Wales, containing 423 live postcodes. The wider Carmarthenshire district is home to around 187,897 people. Over the last year the typical (median) sold price in SA17 has been £185,000.

Check any UK postcode

Where is SA17?

Map loads as you scroll…

Broadband & internet speeds in SA17

Mixed coverage

Superfast (30Mb+)

77.1%

Ultrafast (300Mb+)

23.5%

Gigabit-capable

23.5%

Below USO (10Mb)

3.1%

Broadband availability in the SA17 postcode district (Carmarthenshire) is Mixed — superfast is available to many but not all premises. Across the 423 postcodes Ofcom measures in SA17, superfast broadband (30 Mbit/s or faster) reaches 77.1% of premises and gigabit-capable lines are available to 23.5%.

Around 3.1% of premises in SA17 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 SA17

PostcodeSuperfastGigabit
SA17 4AA100%61.5%
SA17 4AB100%0%
SA17 4AD100%0%
SA17 4AE100%0%
SA17 4AF100%0%
SA17 4AG100%0%
SA17 4AJ100%0%
SA17 4AL100%0%
SA17 4AN100%0%
SA17 4AP100%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.

Crime in SA17

Police recorded 1 incidents within about a mile of the centre of SA17 in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Anti-social behaviour1100.0%

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 SA17

Based on 124 sales registered with HM Land Registry in the last 12 months, the median sold price in SA17 is £185,000, down 2.6% on the previous year (£190,000).

Detached

£255,000

52 sales

Semi-detached

£172,500

37 sales

Terraced

£154,000

29 sales

Latest recorded sales in SA17

DatePriceTypeStreetPostcode
13 May 2026£395,000Semi-detachedSA17 4SA
1 May 2026£155,000DetachedSA17 5BT
28 Apr 2026£103,000Semi-detachedNewtownSA17 4PF
21 Apr 2026£172,000DetachedSA17 5TH
13 Apr 2026£240,000TerracedFerry RoadSA17 5BJ
2 Apr 2026£105,000TerracedBryn SeiloSA17 4HR
1 Apr 2026£399,995DetachedMeinciau RoadSA17 4RA
30 Mar 2026£145,000Semi-detachedTrilwmSA17 4AP
27 Mar 2026£250,000DetachedSA17 4HE
27 Mar 2026£275,000DetachedRhodfar CeffylSA17 4GB

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 1517.3%
15–2919.9%
30–4416.9%
45–6421.8%
65+24.2%
Housing tenure
Owner-occupied70.4%
Private rented15%
Social rented3.9%

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around SA17

SchoolPhaseAgesPupilsPostcode
Carway C.P. SchoolNot applicableSA17 4HE
Ysgol G. MynyddygarregNot applicableSA17 4RL
Trimsaran Community SchoolNot applicableSA17 4AG
Ysgol Y CastellNot applicableSA17 4TR
Ysgol GwenllianNot applicableSA17 4UT
Ysgol Y Fro LlangyndeyrnNot applicableSA17 5BW
Ferryside VCPNot applicableSA17 5TB
Gwenllian Education CentreNot applicableSA17 4UL

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 SA17

75 rated food businesses operate in SA17. 46 hold the top rating of 5, 12 are rated 4, and 1 are rated 2 or below.

Among the 5-rated: Black Orchard, Boathouse Restaurant and Showbar, Busy Bugs Day Nursery, Cafe Beca, CARWAY FOOTBALL AND CRICKET CLUB.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in SA17

From a sample of 73 Energy Performance Certificates across 11 SA17 postcodes, the most common rating is band D (average band D). 26% of sampled homes are rated C or better.

Band B

3%

Band C

23%

Band D

38%

Band E

23%

Band F

5%

Band G

7%

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 SA17 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 SA17?

Be the first to rate SA17 (Carmarthenshire).

How would you rate living in SA17 (Carmarthenshire)?

Share what it's like

Moving to SA17? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Carmarthenshire — free, no-obligation quote.

Get my quote ›

Postcodes in SA17

Neighbouring districts

All Swansea (SA) postcode districts ›

Frequently asked questions

Where is the SA17 postcode?
SA17 covers Carmarthenshire in Wales. It contains 423 live postcodes. The map above shows the district centre; the postcode list further down covers individual addresses.
How much do houses cost in SA17?
Based on 124 sales recorded by HM Land Registry in the last 12 months, the median price paid in SA17 is £185,000. See the house-price section above for medians by property type and the most recent sales.
Is SA17 a safe area?
Police recorded 1 incidents within a mile of the centre of SA17 in May 2026, with Anti-social behaviour the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in SA17?
Superfast broadband reaches 77.1% of premises in SA17 and gigabit-capable services 23.5%, per Ofcom Connected Nations. Enter a full postcode in the checker on this page for address-level availability.
Who lives in SA17?
In the wider Carmarthenshire district, 70% of households own their home, 15% rent privately and 4% are in social housing (Census 2021). The age profile and household counts are in the demographics section above.
How energy efficient are homes in SA17?
Across a sample of 73 Energy Performance Certificates in SA17, the most common rating is band D and the average is band D. 19 of the sampled homes are rated C or better. See the EPC section above for the full band breakdown.

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.

Sitemap