SA4 Postcode Data
Property data for the SA4 postcode district covering Carmarthenshire. Sold prices, crime statistics, energy performance, and demographic insights, all from HM Land Registry, Police UK, and the EPC Register.
Quick answer
The average sale price in SA4 is £129,691 (median £93,500), based on 34 HM Land Registry transactions. Police UK recorded 97 crimes within a 1-mile radius in 2026-03. The average EPC rating across 152 certified properties is 58/100.
Headline pricing in SA4 is below the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by terraced properties (14 of the last 34 sales). Energy efficiency here is weaker than average (expect higher running costs and lower mortgage-affordability scores from green lenders).
Avg sale price
£129,691
34 sales
Median price
£93,500
Crime incidents
97
2026-03
Avg EPC score
58/100
152 certs
Recent sold prices
Latest 30 property sales in the SA4 area, sourced from HM Land Registry Price Paid Data.
terraced
£79,714
14 sales
semi-detached
£115,273
11 sales
detached
£112,699
5 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Sept 2025 | 6, HEOL Y MAES, LLANYBYDDER | semi-detached | £180,000 |
| Mar 2024 | 2, HEOL Y MAES, LLANYBYDDER | semi-detached | £142,000 |
| Oct 2022 | SMOKESTONE, LLANYBYDDER | semi-detached | £305,000 |
| Dec 2021 | 4, GWYNFRYN TERRACE, LLANYBYDDER | terraced | £92,000 |
| Aug 2021 | 3, TANYGRAIG, LLANYBYDDER | terraced | £90,000 |
| Jun 2021 | 3, GWYNFRYN TERRACE, LLANYBYDDER | terraced | £80,500 |
| Jun 2021 | PANTFFYNNON, LLANYBYDDER | other | £22,500 |
| Dec 2019 | BANCYFELIN, LLANYBYDDER | semi-detached | £95,000 |
| Nov 2019 | MAESLLYN COTTAGE, LLANYBYDDER | terraced | £179,500 |
| Nov 2018 | TY LLYN, LLANYBYDDER | other | £475,000 |
| Jun 2018 | 2, HEOL Y MAES, LLANYBYDDER | semi-detached | £95,000 |
| Apr 2018 | ARLYN, LLANYBYDDER | terraced | £140,000 |
| Apr 2018 | THE RED LION, LLANYBYDDER | other | £164,500 |
| Sept 2016 | MAES ISAF, LLANYBYDDER | other | £800,000 |
| Mar 2016 | FFYNONBWYTHYN, LLANYBYDDER | terraced | £121,000 |
Crime in SA4
97 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Violent Crime
42
Public Order
12
Anti Social Behaviour
11
Criminal Damage Arson
8
Drugs
8
Energy performance
Aggregate EPC stats from 152 recently-certified properties in the SA4 area.
Avg current score
58/100
Avg potential
79/100
Avg energy cost
£1,376/yr
Sample size
152
Rating distribution
A
9
B
11
C
50
D
19
E
29
F
18
G
16
Area information
- Local authority
- Carmarthenshire, Swansea
- Country
- Wales
- Wards
- Fairwood, Gorseinon and Penyrheol, Gowerton
- Constituency
- Gower
- Latitude
- 51.6732
- Longitude
- -4.0484
More for SA4
Typical property
What the typical SA4 property looks like
Area summary, buyer notes, researched facts
Council tax
Carmarthenshire 2025/26 rates
All bands, monthly cost, discounts
Sold prices tool
Full transaction history for SA4
HM Land Registry from 1995
Corporate freeholders
Companies registered in SA4
Live Companies House data + PSCs
EPC checker
Look up any SA4 address
Energy ratings + improvement options
Crime checker
Local breakdown for SA4
Police UK monthly data
Want a full property report?
Get an AI-powered report for any specific SA4 address. Valuation, flood risk, planning history, schools and more.
Get a Property ReportData sources & methodology
Sold prices: HM Land Registry Price Paid Data, the official UK government records updated monthly. Sample uses the 30 most recent registered transactions in the postcode area.
Crime: Police UK street-level crime data. Counts cover a 1-mile radius from the SA4 postcode centroid for the most recent month available (typically 2 months behind).
EPC: opendatacommunities.org, the official UK Energy Performance Certificate register. Aggregate stats from up to 30 most recent certificates in the postcode.
Area data: postcodes.io, open data from the Office for National Statistics.