About SA31
Johnstown · Wales
Also covers Caerfyrddin, Cwm-oernant, Pen-sarn, Tanerdy and Tre-gynwr.
See house prices in Wales for every district in the region.
Matched sales140 of 184 sales
Drill into a sector
House prices per square metre in SA31
£2,350median per m²Medium confidence
95% CI £2,190–£2,470 per m² · n = 140 matched sales
The median sold price in SA31 (Johnstown, Carmarthen) is £2,350 per square metre (£218 per ft²), based on 140 matched sales in the 12 months to July 2026, at a median sale price of £212,500. Over the 10 years to Q1 2026, the mix-adjusted median price per square metre changed by +4.8% a year in cash terms, or +1.3% a year after inflation.
Map of 184 sales in SA31 in the last 12 months; median £2,350 per square metre. Full details are in the sold-prices table below.
Postcode district
Prices in SA31
Tenure
Median price per m²
£2,350
n = 140 matched sales
Median sale price
£212,500
n = 184 sales
How prices are spread in SA31
Distribution of £/m² for the matched resale sales in SA31 over the last 12 months. The median is £2,350/m² with a 95% CI of £2,190 to £2,470 and a middle 60% running £1,680 to £2,800. Every one of these sales is listed in the table below.
- p20 £1,680
- p80 £2,800
- 95% CI £2,190–£2,470
The individual sales appear here once SA31's sold-price file loads. The markers are the published statistics.
By property type
| Property type | Median £/m² | Matched sales |
|---|---|---|
| Detached | £2,600/m² | n = 41 |
| Semi-detached | £2,450/m² | n = 45 |
| Terraced | £1,720/m² | n = 50 |
Buyers: Where does a price sit?
Type a price to see where it sits among the individual sales recorded in SA31.
Loading the sales recorded in SA31…
Sellers: How much is my property worth?
Type your floor area to see what it works out at against the sold prices recorded in SA31. It is a market figure for that size, not a valuation of your home.
Tenure
£212,000
Middle 60% (p20–p80): £151,000–£252,000
90 m² at the median £/m² across all tenures · n = 140 matched sales (last 12 months)
Sold prices (last 12 months)
30 sales
Property type
| Address | Details | |||||
|---|---|---|---|---|---|---|
| 24/07/26 | 35 Ael Y Bryn, Carmarthen | £290,000 | Detached | Freehold | £3,260 | |
| 21/07/26 | 1 Towy Mews, Carmarthen | £67,500 | Terraced | Freehold | n/a | |
| 20/07/26 | 45 Nant Yr Arian, Carmarthen | £285,000 | Semi | Freehold | £2,620 | |
| 20/07/26 | 41 Fountain Hall Terrace, Carmarthen | £196,000 | Semi | Freehold | £2,310 | |
| 20/07/26 | 5 Prospect Place, Carmarthen | £86,000 | Semi | Freehold | n/a | |
| 17/07/26 | 5 Penbryn Avenue, Carmarthen | £279,950 | Semi | Freehold | £2,200 | |
| 15/07/26 | 20 Maes Lewis Morris, Carmarthen | £230,000 | Semi | Freehold | £2,530 | |
| 10/07/26 | 8 Bryn Derwen, Carmarthen | £345,000 | Detached | Freehold | £2,410 | |
| 10/07/26 | 18 Maesydderwen, Carmarthen | £300,000 | Detached | Freehold | £3,060 | |
| 10/07/26 | 28 Maes Lewis Morris, Carmarthen | £252,000 | Detached | Freehold | £3,000 | |
| 08/07/26 | 3 Bryn Derwen, Carmarthen | £337,500 | Detached | Freehold | £2,340 | |
| 06/07/26 | 104 Bronwydd Road, Carmarthen | £272,000 | Semi | Freehold | £3,020 | |
| 02/07/26 | 5 Parc Thomas, Carmarthen | £360,000 | Detached | Freehold | £2,350 | |
| 26/06/26 | 48 Heol Rudd, Carmarthen | £165,000 | Detached | Freehold | £2,320 | |
| 26/06/26 | 71 Waun Burgess, Carmarthen | £146,000 | Terraced | Freehold | £2,480 | |
| 26/06/26 | 17 Brynhaul Street, Carmarthen | £110,000 | Terraced | Freehold | £1,620 | |
| 19/06/26 | 11 Bryn Gorwel, Carmarthen | £185,000 | Semi | Freehold | £2,800 | |
| 16/06/26 | 8 Allt Y Gog, Carmarthen | £206,000 | Terraced | Freehold | £2,900 | |
| 16/06/26 | 26 Coronation Road, Carmarthen | £130,000 | Semi | Freehold | £1,650 | |
| 15/06/26 | 49 Heol Rudd, Carmarthen | £160,000 | Semi | Freehold | £2,050 |
Loading all 184 sales (12 months)…
Compare SA31 with a neighbouring district · league tables
Ranked here: 44th of 83 in most expensive postcode districts in Wales · 40th of 83 in best value postcode districts in Wales · 50th of 83 in where price per square metre rose most in Wales
Nearby districts
Median price per square metre in the nearest districts.
- SA32 · Nantgaredig£2,700/m² median
- SA33 · St Clears£2,330/m² median
- SA17 · Carway£2,080/m² median
- SA39 · Llanllwni£1,680/m² median
- SA16 · Pembrey£2,120/m² median
- SA14 · Llangennech£2,150/m² median
- SA15 · Pontyberem£1,690/m² median
Each trend line is that district’s own quarterly median price per square metre, scaled to its own range: compare directions, not heights. Gaps are quarters with too few matched sales to publish a median.
Further reading
- Freehold and leasehold are different markets95% of matched sales here are freehold
- Thirty years of house prices, measured the hard wayRepeat sales here grew 3.8% a year over the decade against 4.8% for the mix-adjusted median
- What is a good price per square metre?How to read a price per square metre against its area
Cite us
HM Land Registry sold prices to July 2026 (registrations lag sales by 2–8 weeks) · updated July 2026 · how these figures are made
Copy one of these, or adapt it.
Plain text
RealScout, "House prices per square metre in Johnstown (SA31)", dataset version 2026-07, https://realscout.uk/property-prices/sa31. Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
HTML
<p>Source: <a href="https://realscout.uk/property-prices/sa31">RealScout</a>, house prices per square metre in Johnstown (SA31) (2026-07). Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.</p>
The statistics behind this page are also served as JSON: /data/districts/SA31.json. Please cache it, and do not crawl it in a loop. Every rule behind these figures is on the methodology page.