Key indicators for buyers
The SA31 market is moderately favourable for buyers. Prices are rising at 23.8%, which may favour acting sooner rather than later. Affordability has improved from a peak of 6.5x in 2006 to 5.8x today. Rising rents (£664/mo, +4.9%) mean the cost of waiting is real.
Yearly averages · HM Land Registry Price Paid Data
2026averages · HM Land Registry Price Paid Data
House price ÷ median earnings · ONS data
Affordability data shown for wider Carmarthenshire area
A home in Carmarthenshire costs 5.8x the local median salary — moderate, improving from a peak of 6.5x in 2006.
Average monthly rent · ONS Private Rental Index
Rental data shown for wider Carmarthenshire area
Average monthly rent in Carmarthenshire is £664, up 4.9% year-on-year. Rents have risen consistently over the past five years.
2yr fixed · 75% LTV · 25yr term · BoE avg. rate
Based on the average Carmarthenshire price of £280,333 with a 25% deposit (£70k), a 2-year fixed mortgage at 3.97% costs around £1,106 per month.
Monthly cost comparison based on current data
Uses SA31 avg. price with Carmarthenshire rental data
Monthly mortgage payments (£1,106) are £442 more than renting (£664). However, buying requires an upfront deposit of £70k — it would take around 26 years to recoup that cost compared to renting and investing the difference.
Latest transactions · HM Land Registry Price Paid Data
| Address | Type | Price | Date |
|---|---|---|---|
6, HEOL MORFA BRENIN, JOHNSTOWN SA31 3PA | Semi-detached | £280,000 | 23 Jan 2026 |
17, FFORDD Y BRIALLU, ABERGWILI SA31 2JU | Detached | £416,000 | 20 Jan 2026 |
126, LLANSTEFFAN ROAD, JOHNSTOWN SA31 3NN | Semi-detached | £260,000 | 15 Jan 2026 |
39, GLYNDERI, TANERDY SA31 2EX | Detached | £220,000 | 14 Jan 2026 |
18, NANT YR ARIAN SA31 3JJ | Detached | £236,000 | 9 Jan 2026 |
3, CHURCH LANE, ABERGWILI SA31 2BB | Terraced | £270,000 | 5 Jan 2026 |
14, SYCAMORE WAY SA31 3QE | Terraced |
Data sources (all free & public): HM Land Registry Price Paid Data & UK House Price Index · ONS Housing Affordability Ratios · ONS Private Rental Index · Bank of England Quoted Household Interest Rates · HMRC Monthly Property Transactions
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
The average property in SA31 sold for £280,333 in 2026, with a median of £265,000 across 6 transactions. Prices rose 23.8% compared to the previous year.
| £137,500 |
| 19 Dec 2025 |
10, PARCYDELYN SA31 1TS | Semi-detached | £170,000 | 19 Dec 2025 |
12, GLANTAWELAN, JOHNSTOWN SA31 3JA | Detached | £265,000 | 18 Dec 2025 |
39, FRANCIS TERRACE SA31 1HD | Terraced | £135,000 | 17 Dec 2025 |
10, PANT Y BARCUD SA31 3GL | Detached | £253,500 | 17 Dec 2025 |
18, CAE EITHIN SA31 1TJ | Terraced | £125,000 | 17 Dec 2025 |
34, PARCMAEN STREET SA31 3DP | Terraced | £152,500 | 17 Dec 2025 |
10, TABERNACLE TERRACE SA31 1DL | Terraced | £197,000 | 15 Dec 2025 |
56, WAUN BURGESS SA31 3JN | Semi-detached | £147,500 | 15 Dec 2025 |
19, PICTON TERRACE SA31 3BX | Terraced | £450,000 | 11 Dec 2025 |
16, BARNSFIELD TERRACE SA31 1DJ | Terraced | £77,000 | 8 Dec 2025 |
12, WELLFIELD ROAD SA31 1DS | Detached | £289,750 | 5 Dec 2025 |
10, PENYBANC, TANERDY SA31 2HA | Detached | £365,000 | 25 Nov 2025 |
21, MAES MACSEN SA31 3DA | Terraced | £155,000 | 25 Nov 2025 |
The most recent recorded sale in SA31 was a semi-detached property on Heol Morfa Brenin for £280,000 in January 2026. Across the last 20 sales, the median price was £236,000.