22 Bonllwyn, Ammanford, SA18 2EF
About 22 Bonllwyn
22 Bonllwyn is a semi-detached house in Ammanford (SA18 2EF). It has a recorded floor area of 158 m² (around 1696 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2011) shows a D (score 57), a step below the typical UK home. The latest certificate is from September 2011, so improvements made since then won't be reflected.
At 158 m² the property is well over the postcode median (98 m² across 33 EPCs), placing it in the larger end of the local stock. Sold February 2020 for £153,500. Across the public record there are 4 sales, relatively high churn for a single property. Across 2008–2020, sale prices on this property compounded at 0.8% per year. Today's modelled estimate of £176,000 is 14.7% above the 2020 sale price.
Know exactly what you're buying at 22 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
22 Bonllwyn'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This certificate is over 10 years old and is no longer valid.Expired 03 Sept 2021
EPC Rating
Planning history
22 Bonllwyn has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 22 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
30-day money-back guarantee
Sales history & valuation
22 Bonllwyn's sale-price growth has lagged the wider UK trajectory across its history on file.
£176,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.8% per year over 12 years.
£153,500
Growth on file: 0.8% per year over 12 years.
Sales timeline
14 February 2020Most recent
£153,500
+19.0%over 3 years5 April 2016
£129,000
+29.0%over 1 year22 December 2014
£100,000
-28.6%over 6 years17 July 2008
£140,000
Median price across the last 5 sales in SA18 2EF: £138,000 (2025–2023).
Everything we know about 22 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
22 Bonllwyn outperforms the street on floor area by a wide margin.
Price per m²
£974
Street avg £1,231
Floor Area
158 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.5 t/year
Street avg 5.5 t/year
Similar properties nearby
1 Argoed Cottages, Argoed Road
SA18 2PP
1 Cennen Terrace, Derwydd Road
SA18 2LX
1 Church Street
SA18 2NR
1 Caeffynnon Road, Llandybie
SA18 2TH
1 Clos Yr Afon
SA18 2GF
1 College Cottage, Derwydd Road
SA18 2LX
1 Bankyfelin, Llandybie
SA18 2TE
1 Colonel Road, Betws
SA18 2HB
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.