20 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
About 20 Brynsiriol
20 Brynsiriol is a semi-detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1ES). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (June 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, window efficiency went from Good to Very Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump. Main heating runs on dual fuel.
Know exactly what you're buying at 20 Brynsiriol
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water efficiency decreased
High performance glazing installed
More low energy lighting installed
Planning history
20 Brynsiriol has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 20 Brynsiriol
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
20 Brynsiriol has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£117,000
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 1ES: £85,000 (2024–2008).
Nearby sales in SA18 1ES
10 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
Sold Feb 2024
£133,0008 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
Sold Feb 2015
£55,00026 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
Sold Jun 2013
£60,00014 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
Sold Feb 2008
£85,00012 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
Sold Aug 2007
£89,000
Everything we know about 20 Brynsiriol, 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 Brynsiriol homes
On floor area, 20 Brynsiriol runs well behind the street norm.
EPC Rating
60 (D)
Street avg 64 (D)
Floor Area
69 m²
Street avg 77 m²
CO₂ Emissions
3.9 t/year
Street avg 3.5 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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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
Cwmgors Club — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.