4 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
About 4 Derwen Fawr
4 Derwen Fawr is a detached house in Llandybie, Ammanford, Ammanford (SA18 2UY). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (September 2014) shows a C (score 71). The recommended improvements would push it to B (score 88). The latest certificate is from September 2014, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Know exactly what you're buying at 4 Derwen Fawr
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
4 Derwen Fawr's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Sept 2024
EPC Rating
Planning history
4 Derwen Fawr has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Derwen Fawr
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
4 Derwen Fawr has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£218,000
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 SA18 2UY: £206,000 (2024–2019).
Nearby sales in SA18 2UY
36 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold Nov 2024
£238,00010 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold Nov 2023
£205,0009 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold Aug 2023
£250,00017 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold Mar 2021
£206,00035 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold May 2019
£150,000
Everything we know about 4 Derwen Fawr, 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 Derwen Fawr homes
4 Derwen Fawr outperforms the street on co₂ emissions by a wide margin.
EPC Rating
71 (C)
Street avg 64 (D)
Floor Area
81 m²
Street avg 94 m²
CO₂ Emissions
2.6 t/year
Street avg 4.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Glynhir Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.