12 Lon Hafren, St Clears, Carmarthen, SA33 4BU
About 12 Lon Hafren
12 Lon Hafren is a semi-detached house in St. Clears, Carmarthen, Carmarthen (SA33 4BU). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (October 2024) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump.
At 50 m² it sits well below the postcode median (93 m² across 31 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 12 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
12 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 12 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
12 Lon Hafren has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£135,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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 12 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
Floor Area for 12 Lon Hafren lags the street by a wide margin.
EPC Rating
65 (D)
Street avg 63 (D)
Floor Area
50 m²
Street avg 84 m²
CO₂ Emissions
2.4 t/year
Street avg 3.9 t/year
Habitable Rooms
3 rooms
Street avg 5 rooms
Similar properties nearby
1 Bridge Street, St Clears
SA33 4EW
1 Castle House, Pentre Road, St Clears
SA33 4AA
1 Dan Y Bryn, Pendine
SA33 4EZ
1 Black Lion Houses, Pentre Road, St Clears
SA33 4AA
1 Castle Cottage, St Clears
SA33 4AD
1 Clyde Cottages, Horse Pool Road, Laugharne
SA33 4QJ
1 Broadway House Farm, Broadway, Laugharne
SA33 4NT
1 Chestnut Villa, St Clears
SA33 4AH
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.