23 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
About 23 Dyffryn Road
23 Dyffryn Road is a detached house in Pontardawe, Swansea, Swansea (SA8 3BX). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2021) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in November 2012 the rating was F, the property has climbed 1 band since. The recommended improvements would lift it to C (score 77), a 2-band jump.
Across 2003–2022, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £239,000 sits 59.3% above the 2022 sale of £150,000. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 21% above the typical sold price in the postcode. Last sale on file: £150,000 in May 2022. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
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
23 Dyffryn 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 in the post-pandemic price surge — useful context when reading the figure.
£239,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 19 years.
£150,000
Growth on file: 2.9% per year over 19 years.
Sales timeline
4 May 2022Most recent
£150,000
+17.6%over 13 years21 May 2008
£127,500
-13.9%over 1 year9 August 2006
£148,000
+68.2%over 3 years13 July 2003
£88,000
Median price across the last 5 sales in SA8 3BX: £230,000 (2025–2024).
Nearby sales in SA8 3BX
4 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
Sold Jul 2025
£167,50019 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
Sold Dec 2024
£230,00015 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
Sold Oct 2024
£230,00040 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
Sold May 2024
£450,0006 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX
Sold Mar 2024
£200,000
Versus other Dyffryn Road homes
23 Dyffryn Road is notably below the street on epc rating.
Price per m²
£1,744
Street avg £1,612
Floor Area
86 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
5.8 t/year
Street avg 5.2 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
Tan yr Allt House — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







