5 Arthur Street, Ammanford, SA18 2DR
About 5 Arthur Street
5 Arthur Street is a semi-detached house in Ammanford (SA18 2DR). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (June 2024) shows a G (score 2), near the bottom of the EPC scale. Earlier certificates rated it D (July 2015); the latest reading is 3 bands lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 87), a 5-band jump. Main heating runs on to be used only when there is no heating/hot.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2000–2016, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £147,000 sits 226.7% above the 2016 sale of £45,000. On a £-per-square-foot basis, the last sale (£43/sq ft) was about 56.2% below the postcode norm. Last changed hands 10 years ago, in March 2016.
Know exactly what you're buying at 5 Arthur Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
5 Arthur Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
More low energy lighting installed
Planning history
5 Arthur Street has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 5 Arthur Street
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
Sale price has at least doubled since 2000.
£147,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 16 years.
£45,000
Growth on file: 6.5% per year over 16 years.
Sales timeline
15 March 2016Most recent
£45,000
+172.7%over 15 years30 March 2000
£16,500
Median price across the last 5 sales in SA18 2DR: £154,000 (2025–2023).
Nearby sales in SA18 2DR
Everything we know about 5 Arthur Street, 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 Arthur Street homes
Price per m² for 5 Arthur Street lags the street by a wide margin.
Price per m²
£459
Street avg £1,368
Floor Area
98 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
11.0 t/year
Street avg 3.7 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
Old Road — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.