42 Lon Hafren, St Clears, Carmarthen, SA33 4BU
About 42 Lon Hafren
42 Lon Hafren is a three-bedroom semi-detached house in St. Clears, Carmarthen, Carmarthen (SA33 4BU). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (January 2023) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2010. Between certificates, window efficiency went from Poor to Average; while hot-water efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 86), a 2-band jump. The home occupies a cul-de-sac position.
It changed hands recently, sold October 2025 for £150,000. Across 2004–2025, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £176,000 is 17.3% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£172/sq ft) was about 54.7% above the typical sold price in the postcode.
Know exactly what you're buying at 42 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
- Private gardenrear
- Cul-de-sacYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Windows upgraded, improving insulation
Planning history
42 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 42 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
30-day money-back guarantee
Sales history & valuation
42 Lon Hafren valuation sits well clear of the typical sold price in this postcode.
£176,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.4% per year over 21 years.
£150,000
Growth on file: 2.4% per year over 21 years.
Sales timeline
19 October 2025Most recent
£150,000
+64.8%over 21 years27 May 2004
£91,000
Median price across the last 5 sales in SA33 4BU: £146,000 (2024–2021).
Nearby sales in SA33 4BU
50 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
£150,00040 Lon Hafren, St Clears, Carmarthen, SA33 4BU
Sold Mar 2021
£128,000
Everything we know about 42 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
42 Lon Hafren outperforms the street on price per m² by a wide margin.
Price per m²
£1,852
Street avg £1,321
Floor Area
81 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.8 t/year
Similar properties nearby
1 Croft Cottages, Heol Goi, St Clears
SA33 4ER
1 Clos Nathaniel, St Clears
SA33 4AW
1 Black Lion Houses, Pentre Road, St Clears
SA33 4AA
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 Afon Bank, Pentre Road, St Clears
SA33 4AA
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.