8 Derwendeg, Pontardawe, Swansea, SA8 4NU
About 8 Derwendeg
8 Derwendeg is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 4NU). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1967-1975 and council tax band A. At 62 m² this is the 2nd smallest of 12 units on EPC record in the building, where floor areas span 54–83 m². The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (May 2026) shows a C (score 75), near the top of the C band. The rating has held steady at C across 4 certificates since August 2011. Between certificates, lighting went from Very Poor to Average; while window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 62 m² it's 22.5% smaller than the typical home in the postcode (80 m² median across 11 EPCs).
Everything you need to know about 8 Derwendeg
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Energy performance
8 Derwendeg's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 20 May 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Mechanical ventilation installed
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Planning history
8 Derwendeg has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
8 Derwendeg has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£112,000
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.
Versus other Derwendeg homes
CO₂ Emissions for 8 Derwendeg runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 73 (C)
Floor Area
62 m²
Street avg 59 m²
CO₂ Emissions
1.3 t/year
Street avg 1.7 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 8 Derwendeg
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
66/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Cefn Llan Stores — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.