20 Maesywerin, Gwaun Cae Gurwen, Ammanford, SA18 1ET
About 20 Maesywerin
20 Maesywerin is a semi-detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1ET). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (March 2021) shows a C (score 69), just inside the C band. When first surveyed in February 2015 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Average. The recommended improvements would push it to B (score 82).
At 88 m² it's 15.8% larger than the typical home in the postcode (76 m² median across 9 EPCs). Today's modelled estimate of £163,000 is 43% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£120/sq ft) was about 52% above the typical sold price in the postcode. Most recent transfer: June 2021 at £114,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 20 Maesywerin
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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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
Cavity wall insulation installed
More low energy lighting installed
Planning history
20 Maesywerin has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Maesywerin
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£163,000
Modelled from EPC, postcode comparables.
£114,000
Recorded with HM Land Registry.
Sales timeline
3 June 2021Most recent
£114,000
Median price across the last 4 sales in SA18 1ET: £75,000 (2023–2004).
Everything we know about 20 Maesywerin, 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 Maesywerin homes
On floor area, 20 Maesywerin stands well clear of the street.
Price per m²
£1,295
Street avg £864
Floor Area
88 m²
Street avg 74 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 3.6 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Cwmgors Club — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.