17 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
About 17 Derwen Road
17 Derwen Road is a detached house in Pontardawe, Swansea, Swansea (SA8 3AU). It has a recorded floor area of 110 m² (around 1188 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (December 2011) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from December 2011, so improvements made since then won't be reflected.
It hasn't traded since June 2006, a hold of 20 years that's notably long for the area. Across 1995–2006, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £313,000 sits 198.1% above the 2006 sale of £105,000. On a £-per-square-foot basis, the last sale (£88/sq ft) was about 35.6% below the postcode norm. One planning record on file: an extension approved in 2006. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
17 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This certificate is over 10 years old and is no longer valid.Expired 05 Dec 2021
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
17 Derwen Road has an approved single-storey rear extension on the planning record.
1 application on record at 17 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU
- Sept 2006ExtensionFullOutcome in report
Extension: Single storey · Rear of property
REAR FIRST FLOOR EXTENSION
- Council
- North
- Documents
- 4 docs on file
- Reference
- P2006/1188
Unlock 17 Derwen Road, Alltwen, Pontardawe, Swansea, SA8 3AU's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 1995.
£313,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 11 years.
£105,000
Growth on file: 8.1% per year over 11 years.
Sales timeline
22 June 2006Most recent
£105,000
+125.8%over 10 years20 December 1995
£46,500
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
On years held, 17 Derwen Road stands well clear of the street.
Price per m²
£952
Street avg £1,642
Floor Area
110 m²
Street avg 122 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.0 t/year
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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
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.







