37 Bonllwyn, Ammanford, SA18 2EF
About 37 Bonllwyn
37 Bonllwyn is a semi-detached house in Ammanford (SA18 2EF). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (May 2018) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
At 115 m² it's 17.3% larger than the typical home in the postcode (98 m² median across 33 EPCs). Across 2018–2021, sale prices on this property compounded at 11.9% per year. Today's modelled estimate of £177,000 is 26.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 22.5% above the typical sold price in the postcode. Last sale on file: £139,995 in October 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 37 Bonllwyn
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
37 Bonllwyn has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 37 Bonllwyn
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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£177,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.9% per year over 3 years.
£139,995
Growth on file: 11.9% per year over 3 years.
Sales timeline
5 October 2021Most recent
£139,995
+37.3%over 2 years14 December 2018
£102,000
Median price across the last 5 sales in SA18 2EF: £138,000 (2025–2023).
Everything we know about 37 Bonllwyn, 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 Bonllwyn homes
37 Bonllwyn outperforms the street on habitable rooms by a wide margin.
Price per m²
£1,217
Street avg £1,221
Floor Area
115 m²
Street avg 108 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 5.5 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
0.0 km
Blaenau — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.