6 Derwendeg, Pontardawe, Swansea, SA8 4NU
About 6 Derwendeg
6 Derwendeg is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 4NU). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1967-1975 and council tax band A. At 54 m² this is the smallest unit on EPC record across the building (54–83 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (June 2026) shows a C (score 73). The rating has held steady at C across 4 certificates since August 2011. Between certificates, wall efficiency went from Average to Good; while window efficiency dropped from Good to Average and lighting dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 54 m² it sits well below the postcode median (80 m² across 11 EPCs), making it one of the more compact homes locally.
Everything you need to know about 6 Derwendeg
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Energy performance
6 Derwendeg's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 7 June 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Wall insulation improved
More low energy lighting installed
Mechanical ventilation installed
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Planning history
6 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
6 Derwendeg has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£107,000
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
6 Derwendeg is notably below the street on floor area.
EPC Rating
73 (C)
Street avg 73 (C)
Floor Area
54 m²
Street avg 62 m²
CO₂ Emissions
1.4 t/year
Street avg 1.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 6 Derwendeg
The true value, the hidden risks and the full sale history, in one report.
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The data behind every 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.