Key indicators for buyers
The SA18 market is moderately favourable for buyers. Prices are rising at 19.9%, 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 £239,500 with a 25% deposit (£60k), a 2-year fixed mortgage at 3.97% costs around £945 per month.
Monthly cost comparison based on current data
Uses SA18 avg. price with Carmarthenshire rental data
Monthly mortgage payments (£945) are £281 more than renting (£664). However, buying requires an upfront deposit of £60k — it would take around 17 years to recoup that cost compared to renting and investing the difference.
Latest transactions · HM Land Registry Price Paid Data
| Address | Type | Price | Date |
|---|---|---|---|
5, LLANDEILO ROAD, LLANDYBIE SA18 3JA | Detached | £283,000 | 16 Jan 2026 |
1, CHURCH STREET, LLANDYBIE SA18 3HZ | Terraced | £140,000 | 16 Jan 2026 |
45, LLANDEILO ROAD, LLANDYBIE SA18 3JA | Semi-detached | £350,000 | 13 Jan 2026 |
6, HEOL LAS SA18 3EB | Semi-detached | £185,000 | 5 Jan 2026 |
168, PENYBANC ROAD SA18 3QS | Detached | £355,000 | 19 Dec 2025 |
7, HEN FELIN, GARNANT SA18 1AJ | Detached | £395,000 | 19 Dec 2025 |
8, PENYRALLT, GARNANT SA18 1YR | Semi-detached |
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 SA18 sold for £239,500 in 2026, with a median of £234,000 across 4 transactions. Prices rose 19.9% compared to the previous year.
| £144,000 |
| 19 Dec 2025 |
1, PENYGROES ROAD, CAERBRYN SA18 3EQ | Semi-detached | £335,000 | 19 Dec 2025 |
10, BRYNTEG TERRACE SA18 3AU | Semi-detached | £160,000 | 19 Dec 2025 |
35, PARC PENCAE, LLANDYBIE SA18 3AZ | Semi-detached | £220,000 | 19 Dec 2025 |
28A, GLYNCOED SA18 3PJ | Semi-detached | £197,500 | 18 Dec 2025 |
24, MAESYCOED SA18 2JB | Detached | £258,000 | 18 Dec 2025 |
253, HEOL Y GORS, CWMGORS SA18 1RN | Detached | £130,000 | 18 Dec 2025 |
72, TIRYCOED ROAD, GLANAMMAN SA18 2YF | Detached | £106,000 | 17 Dec 2025 |
24, NEW ROAD, UPPER BRYNAMMAN SA18 1AG | Semi-detached | £90,000 | 17 Dec 2025 |
50, MAESYRHENDRE, GARNANT SA18 2BW | Semi-detached | £160,000 | 15 Dec 2025 |
76, CWMFFERWS ROAD, TYCROES SA18 3UA | Semi-detached | £250,000 | 15 Dec 2025 |
155, CWMAMMAN ROAD, GARNANT SA18 1NB | Semi-detached | £115,000 | 15 Dec 2025 |
15, BONLLWYN SA18 2EF | Semi-detached | £135,000 | 12 Dec 2025 |
36, PARC NANT Y FELIN SA18 2JZ | Detached | £305,000 | 12 Dec 2025 |
The most recent recorded sale in SA18 was a detached property on Llandeilo Road for £283,000 in January 2026. Across the last 20 sales, the median price was £197,500.