Cerith, Brynmawr Lane, Ammanford, SA18 2BY
About Cerith
Cerith is a four-bedroom detached house in Ammanford (SA18 2BY). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (August 2014) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from August 2014, so improvements made since then won't be reflected. Other recorded features include outbuildings.
Across 2016–2022, sale prices on this property compounded at 10.6% per year. On a £-per-square-foot basis, the last sale (£223/sq ft) was about 25.7% above the typical sold price in the postcode. Sold July 2022 for £312,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at Cerith
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
- EnsuiteYes
Outside
- Private gardenfront_and_rear
- OutbuildingsYes
Building
- Heating systemgas_fired
- RefurbishedYes
Energy performance
Cerith'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This certificate is over 10 years old and is no longer valid.Expired 31 Aug 2024
EPC Rating
Planning history
Cerith has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at Cerith
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.
£324,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 7 years.
£312,000
Growth on file: 10.6% per year over 7 years.
Sales timeline
14 July 2022Most recent
£312,000
+92.6%over 6 years8 January 2016
£162,000
Median price across the last 4 sales in SA18 2BY: £180,000 (2025–2002).
Everything we know about Cerith, 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
On habitable rooms, Cerith stands well clear of the street.
Price per m²
£2,400
Street avg £2,194
Floor Area
130 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.6 t/year
Street avg 5.8 t/year
Similar properties nearby
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1 Church Street
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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.