18 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
About 18 Derwydd Avenue
18 Derwydd Avenue is a semi-detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1PH). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (June 2020) shows a C (score 75), near the top of the C band. When first surveyed in August 2011 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good. The recommended improvements would push it to B (score 88).
Know exactly what you're buying at 18 Derwydd Avenue
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
18 Derwydd Avenue has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 18 Derwydd Avenue
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
18 Derwydd Avenue 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 SA18 1PH: £63,500 (2019–2009).
Nearby sales in SA18 1PH
50 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
Sold Jun 2019
£80,00013 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
Sold Sept 2015
£63,5001 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
Sold Mar 2012
£72,00048 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
Sold Mar 2008
£74,0004 Derwydd Avenue, Gwaun Cae Gurwen, Ammanford, SA18 1PH
Sold Jun 2000
£24,500
Everything we know about 18 Derwydd Avenue, 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 Derwydd Avenue homes
EPC Rating for 18 Derwydd Avenue runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 71 (C)
Floor Area
82 m²
Street avg 90 m²
CO₂ Emissions
2.3 t/year
Street avg 3.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Ger-yr-Afon — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.