137 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
About 137 Cwmgarw Road
137 Cwmgarw Road is an end-of-terrace house in Upper Brynamman, Ammanford, Ammanford (SA18 1DB). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (July 2011) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 57). Main heating runs on anthracite. The latest certificate is from July 2011, so improvements made since then won't be reflected.
Untraded for 28 years, with the last transfer in September 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £141,000 sits 526.7% above the 1998 sale of £22,500. On a £-per-square-foot basis, the last sale (£30/sq ft) was about 70.4% below the postcode norm. At 70 m² it sits well below the postcode median (107 m² across 29 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 137 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
137 Cwmgarw Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jul 2021
EPC Rating
Planning history
137 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 137 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
137 Cwmgarw Road's modelled value sits at over four times its earliest registered sale price (1998).
£141,000
Modelled from EPC, postcode comparables.
£22,500
Recorded with HM Land Registry.
Sales timeline
27 September 1998Most recent
£22,500
Median price across the last 5 sales in SA18 1DB: £225,000 (2025–2022).
Nearby sales in SA18 1DB
184 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
Sold Aug 2025
£168,000133 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
Sold Apr 2024
£225,000146 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
Sold Dec 2022
£395,000186a, Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
Sold Mar 2022
£390,000139 Cwmgarw Road, Upper Brynamman, Ammanford, SA18 1DB
Sold Jan 2022
£90,000
Everything we know about 137 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
On habitable rooms, 137 Cwmgarw Road runs well behind the street norm.
Price per m²
£322
Street avg £1,428
Floor Area
70 m²
Street avg 119 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
9.0 t/year
Street avg 6.7 t/year
Similar properties nearby
1 Brook Cottages, Garnant
SA18 1JS
1 Clos Cerrig, Cwmgors
SA18 1AX
1 Arcade Terrace, Garnant
SA18 1LG
1 Arfryn, Upper Brynamman
SA18 1AW
1 Banwen Place, Lower Brynamman
SA18 1SP
1 Amman Cottages, Lower Brynamman
SA18 1SL
1 Clos David Morgan, Garnant
SA18 1AZ
1 Amman Terrace, Rhosamman
SA18 1DW
The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Brynamman Industrial Estate — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.