20 Lon Hafren, St Clears, Carmarthen, SA33 4BU
About 20 Lon Hafren
20 Lon Hafren is a three-bedroom semi-detached house in St. Clears, Carmarthen, Carmarthen (SA33 4BU). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (February 2016) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (February 2011); the latest reading is one band lower. Between certificates, lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.
Untraded for 15 years, with the last transfer in March 2011. Today's modelled estimate of £164,000 is 42.6% above the 2011 sale price.
Know exactly what you're buying at 20 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
Outside
- Private gardenrear
- Parkingoff_road
Building
- Heating systemgas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Feb 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
Planning history
20 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 20 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
20 Lon Hafren valuation sits well clear of the typical sold price in this postcode.
£164,000
Modelled from EPC, postcode comparables.
£115,000
Recorded with HM Land Registry.
Sales timeline
11 March 2011Most recent
£115,000
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 20 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
Years Held for 20 Lon Hafren runs comfortably ahead of the street norm.
Price per m²
£1,211
Street avg £1,358
Floor Area
95 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 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 Clyde Cottages, Horse Pool Road, Laugharne
SA33 4QJ
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.