15 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
About 15 Cwmgarw Road
15 Cwmgarw Road is a detached house in Upper Brynamman, Ammanford, Ammanford (SA18 1BY). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (March 2021) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in August 2013 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 80), a 2-band jump.
Held since July 2006 — that's 20 years off the open market, well above the local norm. At 133 m² the property is well over the postcode median (82 m² across 29 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Across 2004–2006, sale prices on this property compounded at 28.4% per year. Today's modelled estimate of £226,000 sits 61.5% above the 2006 sale of £139,950.
Know exactly what you're buying at 15 Cwmgarw Road
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
15 Cwmgarw Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water efficiency improved
Planning history
15 Cwmgarw Road has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 15 Cwmgarw Road
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
15 Cwmgarw Road valuation sits well clear of the typical sold price in this postcode.
£226,000
Modelled from EPC, postcode comparables and a sale-price growth of 28.4% per year over 2 years.
£139,950
Growth on file: 28.4% per year over 2 years.
Sales timeline
9 July 2006Most recent
£139,950
+66.6%over 2 years24 June 2004
£84,000
Median price across the last 5 sales in SA18 1BY: £129,000 (2025–2022).
Nearby sales in SA18 1BY
53 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
Sold Jul 2025
£129,00029 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
Sold Jul 2024
£140,0003 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
Sold Oct 2023
£50,00057 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
Sold May 2022
£170,00021b, Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1BY
Sold Apr 2022
£30,000
Everything we know about 15 Cwmgarw Road, 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 Cwmgarw Road homes
EPC Rating for 15 Cwmgarw Road lags the street by a wide margin.
Price per m²
£1,052
Street avg £956
Floor Area
133 m²
Street avg 107 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
7.0 t/year
Street avg 5.7 t/year
Similar properties nearby
1 Clos Bryncam, Garnant
SA18 1NJ
1 Brynlloi Road, Glanamman
SA18 1EQ
1 Brynamman Road, Lower Brynamman
SA18 1TR
1 Ardwyn Road, Upper Brynamman
SA18 1AL
1 Bryn Avenue, Upper Brynamman
SA18 1BD
1 Bryn Road, Upper Brynamman
SA18 1AU
1 Chapel Street, Upper Brynamman
SA18 1AD
1 Barry Road, Lower Brynamman
SA18 1TY
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Moriah Church — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.