4 Brynmawr Lane, Ammanford, SA18 2BY
About 4 Brynmawr Lane
4 Brynmawr Lane is a two-bedroom detached house in Ammanford (SA18 2BY). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (August 2023) shows a D (score 56), a step below the typical UK home. The recommended improvements would lift it to B (score 82), a 2-band jump.
A recent sale: £175,000 in October 2025. At 75 m² it sits well below the postcode median (130 m² across 3 EPCs), making it one of the more compact homes locally. Across 2002–2025, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £216,000 is 23.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£217/sq ft) was about 20.1% above the typical sold price in the postcode.
Know exactly what you're buying at 4 Brynmawr Lane
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
- Bedrooms2
- Bathrooms1
Outside
- Private gardenrear
- Garageintegral
Building
- Heating systemgas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
4 Brynmawr Lane has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 4 Brynmawr Lane
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
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Sales history & valuation
4 Brynmawr Lane has more than doubled in price since the earliest registered sale in 2002.
£216,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 23 years.
£175,000
Growth on file: 3.9% per year over 23 years.
Sales timeline
9 October 2025Most recent
£175,000
+143.1%over 23 years30 April 2002
£72,000
Median price across the last 4 sales in SA18 2BY: £248,500 (2024–2010).
Everything we know about 4 Brynmawr Lane, 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 Lane homes
4 Brynmawr Lane is notably below the street on years held.
Price per m²
£2,333
Street avg £2,216
Floor Area
75 m²
Street avg 133 m²
Habitable Rooms
3 rooms
Street avg 6 rooms
CO₂ Emissions
4.5 t/year
Street avg 6.9 t/year
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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
0.1 km
Town Hall — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.