15 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
About 15 Derwen Road
15 Derwen Road is a semi-detached house in Pontardawe, Swansea, Swansea (SA8 3AU). It has a recorded floor area of 89 m² (around 960 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (August 2010) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 56). The latest certificate is from August 2010, so improvements made since then won't be reflected.
Held since January 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2003–2007, sale prices on this property compounded at 15.8% per year. Today's modelled estimate of £214,000 sits 52.9% above the 2007 sale of £140,000. At 89 m² it's 18.9% smaller than the typical home in the postcode (110 m² median across 33 EPCs).
Energy performance
15 Derwen Road'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This certificate is over 10 years old and is no longer valid.Expired 10 Aug 2020
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
15 Derwen Road has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£214,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.8% per year over 4 years.
£140,000
Growth on file: 15.8% per year over 4 years.
Sales timeline
18 January 2007Most recent
£140,000
+75.1%over 3 years28 March 2003
£79,950
Median price across the last 5 sales in SA8 3AU: £362,500 (2025–2022).
Nearby sales in SA8 3AU
36 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
Sold Mar 2025
£362,50034 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
Sold Sept 2024
£335,00024 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
Sold Jun 2024
£167,99550 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
Sold Jul 2023
£450,000Alltwen Isaf Farm, Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
Sold Nov 2022
£450,000
Versus other Derwen Road homes
15 Derwen Road outperforms the street on years held by a wide margin.
Price per m²
£1,570
Street avg £1,619
Floor Area
89 m²
Street avg 123 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
8.3 t/year
Street avg 6.0 t/year
Similar properties nearby
1 Heol Y Parc, Alltwen, Pontardawe
SA8 3BN
1 Bryn Morgrug, Alltwen, Pontardawe
SA8 3DG
1 Heol Penrhiwiau, Alltwen, Pontardawe
SA8 3AW
1 Derwen Road, Alltwen, Pontardawe
SA8 3AU
1 Alltwen Chwyth, Alltwen, Pontardawe
SA8 3BW
1 Clos Gwenallt, Pontardawe
SA8 3BD
1 Ffordd Cynon, Rhos, Pontardawe
SA8 3FB
1 Heol Phillip, Alltwen, Pontardawe
SA8 3AX
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Heol Phillip — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







