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 sales139 of 183 sales
Drill into a sector
House prices per square metre in SA31
£2,350median per m²Medium confidence
95% CI £2,200–£2,470 per m² · n = 139 matched sales
The median sold price in SA31 (Johnstown, Carmarthen) is £2,350 per square metre (£218 per ft²), based on 139 matched sales in the 12 months to August 2026, at a median sale price of £210,000. 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 183 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 = 139 matched sales
Median sale price
£210,000
n = 183 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 £2,200 to £2,470 and a middle 60% running £1,670 to £2,800. Every one of these sales is listed in the table below.
- p20 £1,670
- p80 £2,800
- 95% CI £2,200–£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 | £2,630/m² | n = 39 |
| Semi-detached | £2,380/m² | n = 45 |
| Terraced | £1,680/m² | n = 51 |
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
£209,000
Middle 60% (p20–p80): £149,000–£249,000
89 m² at the median £/m² across all tenures · n = 139 matched sales (last 12 months)
Sold prices (last 12 months)
30 sales
Property type
| Address | Details | |||||
|---|---|---|---|---|---|---|
| 17/08/26 | 47 Heol Rudd, Carmarthen | £156,000 | Semi | Freehold | £2,330 | |
| 17/08/26 | 64 Priory Street, Carmarthen | £135,000 | Terraced | Freehold | £1,590 | |
| 14/08/26 | 35 Brynmeurig, Carmarthen | £207,000 | Semi | Freehold | n/a | |
| 12/08/26 | 74 Llansteffan Road, Carmarthen | £253,000 | Detached | Freehold | £2,940 | |
| 04/08/26 | 8 Hafod Elfed, Carmarthen | £151,000 | Terraced | Freehold | £2,290 | |
| 03/08/26 | 22 Heol Morfa Brenin, Carmarthen | £242,500 | Semi | Freehold | £2,150 | |
| 03/08/26 | 32 Hafod Cwnin, Carmarthen | £242,000 | Semi | Freehold | £1,530 | |
| 31/07/26 | 11 Penymorfa, Carmarthen | £220,000 | Semi | Freehold | n/a | |
| 31/07/26 | 8 the Parade, Carmarthen | £150,000 | Terraced | Freehold | n/a | |
| 29/07/26 | 53 Heol Rudd, Carmarthen | £132,500 | Terraced | Freehold | £2,010 | |
| 28/07/26 | 44 Glynderi, Carmarthen | £220,000 | Detached | Freehold | n/a | |
| 24/07/26 | 35 Ael Y Bryn, Carmarthen | £290,000 | Detached | Freehold | £3,260 | |
| 21/07/26 | Flat 47 Hafan Tywi the Parade, Carmarthen | £165,000 | Flat | Leasehold | £2,500 | |
| 21/07/26 | 1 Towy Mews, Carmarthen | £67,500 | Terraced | Freehold | n/a | |
| 20/07/26 | 6 Llygad Yr Haul, Carmarthen | £375,000 | Detached | Freehold | £2,620 | |
| 20/07/26 | 45 Nant Yr Arian, Carmarthen | £285,000 | Semi | Freehold | £2,620 | |
| 20/07/26 | 8 the Avenue, Carmarthen | £260,000 | Terraced | Freehold | £2,390 | |
| 20/07/26 | 52 Llwyn Meredith, Carmarthen | £200,000 | Semi | Freehold | £3,390 | |
| 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 |
Loading all 183 sales (12 months)…
Compare SA31 with a neighbouring district · league tables
Ranked here: 45th of 83 in most expensive postcode districts in Wales · 39th of 83 in best value postcode districts in Wales · 49th 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£2,850/m² median
- SA33 · St Clears£2,330/m² median
- SA17 · Carway£2,060/m² median
- SA39 · Llanllwni£1,680/m² median
- SA16 · Pembrey£2,120/m² median
- SA14 · Llangennech£2,130/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 markets96% 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
- Price per square metre by property typeDetached homes here sell at 56% above terraced houses per square metre
- 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 August 2026 (registrations lag sales by 2–8 weeks) · updated August 2026 · how these figures are made
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Plain text
RealScout, "House prices per square metre in Johnstown (SA31)", dataset version 2026-08, 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) (2026-08). 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.