40 Lon Hafren, St Clears, Carmarthen, SA33 4BU
About 40 Lon Hafren
40 Lon Hafren is a three-bedroom mid-terrace house in St. Clears, Carmarthen, Carmarthen (SA33 4BU). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (December 2020) shows a C (score 70). When first surveyed in October 2019 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 86). The home occupies a cul-de-sac position.
Its energy rating outperforms most of the postcode (better than 81% of similar EPCs). Across 2005–2021, sale prices on this property compounded at 2% per year. Today's modelled estimate of £162,000 is 26.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£142/sq ft) was about 27.3% above the typical sold price in the postcode. Sold March 2021 for £128,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 40 Lon Hafren
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Cul-de-sacYes
Building
- Heating systemgas
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation upgraded
Planning history
40 Lon Hafren has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 40 Lon Hafren
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£162,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 16 years.
£128,000
Growth on file: 2.0% per year over 16 years.
Sales timeline
10 March 2021Most recent
£128,000
+36.2%over 15 years1 September 2005
£94,000
Median price across the last 5 sales in SA33 4BU: £150,000 (2025–2021).
Nearby sales in SA33 4BU
42 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Oct 2025
£150,00050 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Sept 2024
£146,00066 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Dec 2022
£185,00044 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Jul 2022
£122,50046 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Jul 2021
£150,000
Everything we know about 40 Lon Hafren, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Lon Hafren homes
EPC Rating for 40 Lon Hafren runs comfortably ahead of the street norm.
Price per m²
£1,524
Street avg £1,340
Floor Area
84 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Croft Cottages, Heol Goi, St Clears
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1 Clos Nathaniel, St Clears
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1 Black Lion Houses, Pentre Road, St Clears
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1 Castle Cottage, St Clears
SA33 4AD
1 Balmoral, Pendine
SA33 4PA
1 2 Kington Gardens, King Street, Laugharne
SA33 4QE
1 Clos Pentre, St Clears
SA33 4BD
1 Clyde Cottages, Horse Pool Road, Laugharne
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lon Hafren — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.