42 Brynmawr Avenue, Ammanford, SA18 2DA
About 42 Brynmawr Avenue
42 Brynmawr Avenue is a four-bedroom detached house in Ammanford (SA18 2DA). It has a recorded floor area of 211 m² (around 2271 sq ft), construction records dating it to 2003-2006 and council tax band F. Tenure is freehold. The latest certificate (May 2021) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 82).
4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 211 m² it's 21.3% larger than the typical home in the postcode (174 m² median across 31 EPCs). Across 2008–2021, sale prices on this property compounded at 1.5% per year. On a £-per-square-foot basis, the last sale (£172/sq ft) was about 23.2% above the typical sold price in the postcode. Sold October 2021 for £390,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 42 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
What this property has
Inside
- Bedrooms4
- Bathrooms3
Outside
- GarageYes
Building
- TenureFreehold
Energy performance
EPC Rating
Planning history
42 Brynmawr Avenue has been through 4 approved planning applications — a well-evolved property.
- Nov 2022ExtensionFullIn report
Extension: Single storey
Ground floor extension with a total internal area of 18.8m2
- Documents
- 7 docs on file
- Reference
- PL/04512
- Jul 2015OutbuildingFullIn report
RAISED WOODEN DECKING AREA AT REAR OF THE PROPERTY
- Agent
- E
- Documents
- 6 docs on file
- Reference
- E/32077
We flagged 1 thing worth checking at 42 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£414,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.5% per year over 14 years.
£390,000
Growth on file: 1.5% per year over 14 years.
Sales timeline
28 October 2021Most recent
£390,000
+22.8%over 13 years24 April 2008
£317,500
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 42 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
42 Brynmawr Avenue outperforms the street on floor area by a wide margin.
Price per m²
£1,848
Street avg £1,576
Floor Area
211 m²
Street avg 177 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
4.7 t/year
Street avg 6.8 t/year
Similar properties nearby
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1 Brynmawr Avenue
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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.