Heronsbrook, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
About Heronsbrook
Heronsbrook is a detached house in St. Clears, Carmarthen, Carmarthen (SA33 4AR). It has a recorded floor area of 138 m² (around 1485 sq ft) and construction records dating it to 1983-1990. The latest certificate (August 2013) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Main heating runs on oil. The latest certificate is from August 2013, so improvements made since then won't be reflected.
At 138 m² it's 17.9% larger than the typical home in the postcode (117 m² median across 6 EPCs). One historical planning record sits against the property in 2023.
Know exactly what you're buying at Heronsbrook
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Heronsbrook's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 22 Aug 2023
EPC Rating
Planning history
- Dec 2023OutlineIn report
Replace existing machinery and equipment storage building with two steel frame bays which would be of the same profile and adjoin the building approved under planning reference PL/04463
- Documents
- 3 docs on file
- Reference
- PL/06843
We flagged 1 thing worth checking at Heronsbrook
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
Heronsbrook has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£350,000
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 4AR: £235,000 (2025–2017).
Nearby sales in SA33 4AR
Gwynfa, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
Sold Jul 2025
£345,000Glyn Coch Farm, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
Sold Jun 2022
£550,000Rhos Nant, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
Sold Aug 2020
£200,000Spring Villa, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
Sold Aug 2018
£235,000Meadow Brook, Ffynnongain Lane, Pwlltrap, St Clears, Carmarthen, SA33 4AR
Sold Jun 2017
£215,000
Everything we know about Heronsbrook, 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 Ffynnongain Lane homes
On habitable rooms, Heronsbrook runs well behind the street norm.
EPC Rating
61 (D)
Street avg 54 (E)
Floor Area
138 m²
Street avg 133 m²
CO₂ Emissions
6.6 t/year
Street avg 6.5 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Similar properties nearby
1 Duncan Street, Laugharne
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1 Clos Griffith Jones, St Clears
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1 Clos Pentre, St Clears
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1 Clos Nathaniel, St Clears
SA33 4AW
1 Dukes Meadow, Pendine
SA33 4UH
1 Cefn Maes, St Clears
SA33 4DA
1 Cae Glas, St Clears
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1 2 Kington Gardens, King Street, Laugharne
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The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Spring Gardens — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.