50b, Bonllwyn, Ammanford, SA18 2EF
About 50b
50b is a semi-detached house in Ammanford (SA18 2EF). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1900-1929 and council tax band A. At 37 m² this is the smallest unit on EPC record across the building (37–263 m²). The building's EPC ratings span F to C across 34 units on file. The latest certificate (June 2023) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 77).
At 37 m² it sits well below the postcode median (99 m² across 33 EPCs), making it one of the more compact homes locally.
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Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Planning history
50b has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 50b
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
50b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£119,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA18 2EF: £138,000 (2025–2023).
Everything we know about 50b, 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

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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.