17 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
About 17 Bryn Derwen
17 Bryn Derwen is a detached house in Pontardawe, Swansea, Swansea (SA8 4LF). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (February 2014) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from February 2014, so improvements made since then won't be reflected.
Across 1996–2015, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £231,000 sits 68% above the 2015 sale of £137,500. On a £-per-square-foot basis, the last sale (£156/sq ft) was about 21.1% above the typical sold price in the postcode. 11 years since the last transfer (February 2015). Across the public record there are 4 sales, relatively high churn for a single property. At 82 m² it's 24.5% smaller than the typical home in the postcode (109 m² median across 12 EPCs). One historical planning record sits against the property in 2023.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 03 Feb 2024
EPC Rating
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Planning history
1 application on record at 17 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
- Oct 2023Garage ConversionOutlineOutcome in report
Convert garage to habitable room (lounge) and associated internal works to enlarge kitchen.
- Documents
- 7 docs on file
- Reference
- P2023/0619
Unlock 17 Bryn Derwen, Pontardawe, Swansea, SA8 4LF's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
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Sales history & valuation
Sale price has at least doubled since 1996.
£231,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 19 years.
£137,500
Growth on file: 4.5% per year over 19 years.
Sales timeline
3 February 2015Most recent
£137,500
+150.0%over 15 years12 August 1999
£55,000
-8.3%over 2 years23 September 1996
£59,995
13 June 1996
£60,000
Median price across the last 5 sales in SA8 4LF: £220,000 (2021–2019).
Nearby sales in SA8 4LF
28 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
Sold Nov 2021
£280,00024 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
Sold Feb 2020
£183,00012 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
Sold Feb 2020
£237,50011 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
Sold Aug 2019
£220,0005 Bryn Derwen, Pontardawe, Swansea, SA8 4LF
Sold Jun 2019
£195,000
Versus other Bryn Derwen homes
On habitable rooms, 17 Bryn Derwen runs well behind the street norm.
Price per m²
£1,677
Street avg £1,591
Floor Area
82 m²
Street avg 107 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.1 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
Alltywerin — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







