1 Heol Penrhiwiau, Alltwen, Pontardawe, Swansea, SA8 3AW
About 1 Heol Penrhiwiau
1 Heol Penrhiwiau is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3AW). It has a recorded floor area of 96 m² (around 1029 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (July 2010) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 58). Main heating runs on electricity. The latest certificate is from July 2010, so improvements made since then won't be reflected.
Today's modelled estimate of £183,000 sits 58.4% above the 2018 sale of £115,500. 8 years since the last transfer (January 2018). One historical planning record sits against the property in 2025.
Energy performance
1 Heol Penrhiwiau'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This certificate is over 10 years old and is no longer valid.Expired 17 Jul 2020
EPC Rating
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Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 application on record at 1 Heol Penrhiwiau, Alltwen, Pontardawe, Swansea, SA8 3AW
- Oct 2025ExtensionOutlineOutcome in report
Extension: Single storey · Side of property
Proposed single storey side extension
- Reference
- P2025/0587
Unlock 1 Heol Penrhiwiau, Alltwen, Pontardawe, Swansea, SA8 3AW's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
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Sales history & valuation
£183,000
Modelled from EPC, postcode comparables.
£115,500
Recorded with HM Land Registry.
Sales timeline
26 January 2018Most recent
£115,500
Versus other Heol Penrhiwiau homes
1 Heol Penrhiwiau is notably below the street on epc rating.
EPC Rating
49 (E)
Street avg 70 (C)
Floor Area
96 m²
Street avg 94 m²
CO₂ Emissions
7.4 t/year
Street avg 3.2 t/year
Habitable Rooms
6 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gwyn Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







