10 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
About 10 Derwen Fawr
10 Derwen Fawr is a three-bedroom detached house in Llandybie, Ammanford, Ammanford (SA18 2UY). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (March 2014) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from March 2014, so improvements made since then won't be reflected.
At 95 m² it's 17.3% larger than the typical home in the postcode (81 m² median across 17 EPCs). Across 2015–2023, sale prices on this property compounded at 7.7% per year. Today's modelled estimate of £230,000 is 12.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 27% above the typical sold price in the postcode. Most recent transfer: November 2023 at £205,000.
Know exactly what you're buying at 10 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
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenrear
- GarageYes
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This certificate is over 10 years old and is no longer valid.Expired 13 Mar 2024
EPC Rating
Planning history
10 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 10 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
10 Derwen Fawr valuation sits well clear of the typical sold price in this postcode.
£230,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.7% per year over 9 years.
£205,000
Growth on file: 7.7% per year over 9 years.
Sales timeline
9 November 2023Most recent
£205,000
+88.9%over 8 years27 March 2015
£108,500
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
£238,0009 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
£150,00037 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
Sold Jan 2019
£134,700
Everything we know about 10 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
On years held, 10 Derwen Fawr runs well behind the street norm.
Price per m²
£2,158
Street avg £1,883
Floor Area
95 m²
Street avg 93 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 4.1 t/year
Similar properties nearby
1 Church Street
SA18 2NR
1 Brynmawr Lane
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1 Colonel Road, Betws
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1 Bryn Derwen Road
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1 Carreg Y Dwfn, Llandyfan
SA18 2UB
1 Derwen Fawr, Llandybie
SA18 2UY
1 Brodawel, Betws
SA18 2GY
1 Ashgrove
SA18 2JU
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.