18 Brynsiriol, Gwaun Cae Gurwen, Ammanford, SA18 1ES
About 18 Brynsiriol
18 Brynsiriol is a semi-detached house in Gwaun Cae Gurwen, Ammanford, Ammanford (SA18 1ES). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (February 2020) shows a C (score 71). When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83).
It hasn't traded since March 2004, a hold of 22 years that's notably long for the area. Today's modelled estimate of £149,000 sits 129.2% above the 2004 sale of £65,000. On a £-per-square-foot basis, the last sale (£68/sq ft) was about 18.6% below the postcode norm. At 89 m² it's 25.4% larger than the typical home in the postcode (71 m² median across 15 EPCs).
Know exactly what you're buying at 18 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
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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 efficiency improved
More low energy lighting installed
More low energy lighting installed
Planning history
18 Brynsiriol has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 18 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
18 Brynsiriol valuation sits well clear of the typical sold price in this postcode.
£149,000
Modelled from EPC, postcode comparables.
£65,000
Recorded with HM Land Registry.
Sales timeline
8 March 2004Most recent
£65,000
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 18 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, 18 Brynsiriol stands well clear of the street.
Price per m²
£730
Street avg £1,025
Floor Area
89 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.5 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
Cwmgors Club — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.