Detached
£283,364
39% above the Carmarthen average
29.7% of sales
What is the average house price in Carmarthen? £204,124
The average house price in Carmarthen is £204,124, based on 181 homes sold in the 12 months to August 2026. Prices are down 2.0% (£4,200) on a year earlier.
- 1 year change
- −2.0%
- Sold in 12 months
- 181
- Data up to
- August 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Carmarthen?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£207,155
1% above the Carmarthen average
28.9% of sales
Terraced
£149,296
27% below the Carmarthen average
36.6% of sales
Flats
£137,409
33% below the Carmarthen average
4.8% of sales
Are house prices in Carmarthen going up or down?
House prices in Carmarthen are falling: down 2.0% (£4,200) over the past year. Over the past 10 years, prices are up 40.8% (£59,196).
Past 12 months
−2.0%
−£4,200From £208,324 to £204,124
£213,425£201,378
Past 10 years
+40.8%
+£59,196From £144,928 to £204,124
£208,324£144,928
Quick answers for Carmarthen
8 key facts at a glance.
When did prices peak?
£271,205
Highest average, reached in June 2022
How many homes sold?
181
In the last 12 months-14.6% year on year
What sells most often?
Terraced houses
36.6% of recent sales
What is the most common price range?
£200k - £300k
42.6% of sales
How many people live in Carmarthen?
14,672
1,796 people per square mile · Very High (Census 2021)
Population density is Very High, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Carmarthen?
6,603
808 households per square mile · Very High (Census 2021)
Household density is Very High, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Carmarthen?
31 m² per resident
More green space per resident than 50% of areas in England and Wales. That's about 4.3 football pitches for every 1,000 residents.
2.1% of the area · 2 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
How does Carmarthen rank?
61st most expensive area of Sir Gaerfyrddin / Carmarthenshire.
Compared with 72 areas
What are the most expensive homes sold in Carmarthen?
The highest recorded sale prices in Carmarthen, from HM Land Registry.
How do house prices in Carmarthen compare with nearby areas?
Carmarthen compared with the 6 nearest other areas in Sir Gaerfyrddin / Carmarthenshire.
Carmarthen vs Newchurch and Merthyr
- Carmarthen
- £204,124
- Newchurch and Merthyr
- £307,500+£103,376
Open comparison
Carmarthen vs Llangain
- Carmarthen
- £204,124
- Llangain
- £393,750+£189,626
Open comparison
Carmarthen vs Bronwydd
- Carmarthen
- £204,124
- Bronwydd
- £329,500+£125,376
Open comparison
Carmarthen vs Llangunnor
- Carmarthen
- £204,124
- Llangunnor
- £279,503+£75,379
Open comparison
Carmarthen vs Llandyfaelog
- Carmarthen
- £204,124
- Llandyfaelog
- £388,029+£183,905
Open comparison
Carmarthen vs Llangynog
- Carmarthen
- £204,124
- Llangynog
- £241,500+£37,376
Open comparison
Thinking of buying in Carmarthen?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026.
Last updated 7 October 2026 at 02:01 with the latest Land Registry data (August 2026). The Carmarthen dataset covers 581 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.