20 Derwen Fawr, Llandybie, Ammanford, SA18 2UY
About 20 Derwen Fawr
20 Derwen Fawr is a property in Llandybie, Ammanford, Ammanford (SA18 2UY). It has council tax band D.
It hasn't traded since December 2001, a hold of 24 years that's notably long for the area. One planning record on file: an extension approved in 2011. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 1998–2001, sale prices on this property compounded at 3.2% per year.
Know exactly what you're buying at 20 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
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Nov 2011DemolitionFullIn report
Extension: Side of property
PROPOSED DEMOLITION OF SINGLE STOREY SIDE GARAGE EXTENSION AND CONSTRUCTION OF A TWO STOREY SIDE EXTENSION
Extension- Documents
- 15 docs on file
- Reference
- E/25464
We flagged 1 thing worth checking at 20 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
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Sales history & valuation
£81,000
Growth on file: 3.2% per year over 3 years.
Sales timeline
13 December 2001Most recent
£81,000
+11.0%over 3 years17 August 1998
£73,000
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 20 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

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.