A complete guide to property investment in Carmarthen.
Last updated: 3 November 2025
Carmarthen is a market town that tends to fly under the radar, but the numbers reveal a quietly resilient property market. The average rental yield sits at 4.1%, and capital growth over the past year has changed by 3.8%, with a three-year change of 7.3%. The annualised growth over three years clocks in at 2.4%, hinting at steady, if unspectacular, momentum. Affordability is one of Carmarthen’s calling cards, with a price-to-income ratio of 3.8 and a rent-to-income ratio of 20.2%, making it more accessible than many other parts of the country.
Median price per sq ft
£195 / sq ft
Average rental yield
4.1%
Capital growth (1y)
3.8%
Sales in past year
176
* Property stats calculated for last full calendar year (2024).
Live prices in Carmarthen, Wales
* Extreme prices clipped for legibility
Median price
£269,995
25% of properties below...
£182,125
75% of properties below...
£373,746
Most expensive property
£850,000
Live listings
130
Median days on market
65
Looking ahead, Carmarthen’s market seems likely to keep moving at a steady, measured pace. The recent capital growth of 3.8% and annualised three-year figure of 2.4% suggest there’s no sign of overheating, but also little risk of a sharp correction. With a median achieved price sitting £4,000 (the typical achieved discount) below asking, buyers have some negotiating room, which helps keep things grounded.
Affordability remains a bright spot, as both sale and rent prices for typical properties such as three-bedroom houses (£249,500 and £850) and two-bedroom flats (£125,000) are accessible by national standards. All in all, I expect Carmarthen to appeal to investors looking for a balanced, predictable market rather than a rollercoaster ride.
Average yield (%)
* 2025 data for YTD
Median price per sq ft (£/sq ft)
* 2025 data for YTD
Investment properties in Carmarthen, Wales

£114,950
3 bedroom terraced house for sale
St. Davids Street, Carmarthen

£140,000
3 bedroom terraced house for sale
St Catherine Street, Carmarthen, SA...

£90,000 - Guide Price
2 bedroom end of terrace house for sale
Carmarthen, Carmarthenshire, SA31

£182,000 - Offers in Region of
5 bedroom terraced house for sale
Tabernacle Terrace, Carmarthen

£395,000 - Guide Price
7 bedroom end of terrace house for sale
St. Peters Street, Carmarthen, Carm...

£630,000 - Offers in Region of
5 bedroom detached house for sale
Carmarthen, Carmarthenshire, South ...

Buyers have some negotiation leverage, but not much.
• Median discount: £4,000
• 1 in 4 properties sell at > £12,500 below asking
• 1 in 10 properties sell at > £21,000 below asking
In percentage terms:
• Median discount of 2.4%
• 25% of properties discounted by > 5.7%
• 10% of properties discounted by > 8.5%
Top postcodes for rental yield and (annualised) capital growth
GeoGlider calculates property investment stats by blending official and proprietary datasets. Here's a quick overview of key sources and how we use them:
HM Land Registry: Property transaction and sold-price records for England & Wales used to calculate historical capital growth, price levels and comparables.
Office for National Statistics (ONS): Demographic and economic indicators for the UK, including Census 2021, supporting area profiling and market context.
Ordnance Survey: Authoritative UK geospatial data powering accurate boundaries, roads and terrain for mapping and spatial analysis.
GeoProp: Our proprietary AI pipeline that processes millions of property listings to extract rich features and live market signals.
Department for Levelling Up, Housing & Communities: Energy Performance Certificate (EPC) scores and property floor areas.
HM Revenue & Customs (HMRC): Household income and employment data to understand local affordability and economic conditions.
Data is updated continuously, matched across sources and rigorously validated.