9 Brynmawr Avenue, Ammanford, SA18 2DA
About 9 Brynmawr Avenue
9 Brynmawr Avenue is a detached house in Ammanford (SA18 2DA). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (November 2015) shows an F (score 27), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 75), a 3-band jump. The latest certificate is from November 2015, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2017, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £361,000 sits 55.3% above the 2017 sale of £232,500. 9 years since the last transfer (January 2017).
Know exactly what you're buying at 9 Brynmawr Avenue
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
9 Brynmawr Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 26 Nov 2025
EPC Rating
Planning history
9 Brynmawr Avenue has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 9 Brynmawr Avenue
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
Sale price has grown by over 3x since 1997.
£361,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 19 years.
£232,500
Growth on file: 6.4% per year over 19 years.
Sales timeline
27 January 2017Most recent
£232,500
+232.1%over 19 years23 October 1997
£70,000
Median price across the last 5 sales in SA18 2DA: £399,950 (2024–2022).
Nearby sales in SA18 2DA
Cambrai House, Brynmawr Avenue, Ammanford, SA18 2DA
Sold May 2024
£410,00013 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Mar 2024
£367,50072 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Nov 2023
£405,00062 Brynmawr Avenue, Ammanford, SA18 2DA
Sold Nov 2022
£399,950Alltwen, Brynmawr Avenue, Ammanford, SA18 2DA
Sold Feb 2022
£365,000
Everything we know about 9 Brynmawr Avenue, 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 Brynmawr Avenue homes
9 Brynmawr Avenue is notably below the street on epc rating.
Price per m²
£1,500
Street avg £1,589
Floor Area
155 m²
Street avg 179 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
14.0 t/year
Street avg 6.5 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Myddynfych Drive — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.