Avalon, Derwydd Road, Ammanford, SA18 2LX
About Avalon
Avalon is a two-bedroom detached house in Ammanford (SA18 2LX). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (October 2021) shows an E (score 45), well below the UK norm with real room to improve. When first surveyed in April 2017 the rating was G, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Poor. The recommended improvements would lift it to B (score 90), a 3-band jump. Main heating runs on lpg.
Today's modelled estimate of £233,000 sits 66.4% above the 2018 sale of £140,000. At 94 m² it sits well below the postcode median (143 m² across 22 EPCs), making it one of the more compact homes locally. Last changed hands 8 years ago, in February 2018.
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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
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
- Garagesingle
Building
- Heating systemlpg
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Planning history
Avalon has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Avalon
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
£233,000
Modelled from EPC, postcode comparables.
£140,000
Recorded with HM Land Registry.
Sales timeline
2 February 2018Most recent
£140,000
Median price across the last 5 sales in SA18 2LX: £250,000 (2024–2022).
Nearby sales in SA18 2LX
2 Cennen Terrace, Derwydd Road, Ammanford, SA18 2LX
Sold Nov 2024
£211,500Dynevor House, Derwydd Road, Ammanford, SA18 2LX
Sold Nov 2024
£251,000Cennen Terrace, Ty Charlotte, Derwydd Road, Ammanford, SA18 2LX
Sold Aug 2023
£250,000Gelli Aur, Derwydd Road, Ammanford, SA18 2LX
Sold Aug 2022
£440,000Pippins, Derwydd Road, Ammanford, SA18 2LX
Sold Apr 2022
£210,000
Everything we know about Avalon, 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 Road homes
On floor area, Avalon runs well behind the street norm.
Price per m²
£1,489
Street avg £1,968
Floor Area
94 m²
Street avg 145 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 7.1 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
College Inn — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.