26 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
About 26 Heol Gwys
26 Heol Gwys is a semi-detached house in Upper Cwmtwrch, Swansea, Swansea (SA9 2XQ). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2024) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2014); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to D (score 65). Main heating runs on oil.
At 115 m² the property is well over the postcode median (87 m² across 15 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £185,000 sits 60.9% above the 2021 sale of £115,000. Sold July 2021 for £115,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
26 Heol Gwys's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Wall insulation improved
Solar PV panels (20 kWp) installed
Planning history
26 Heol Gwys has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£185,000
Modelled from EPC, postcode comparables.
£115,000
Recorded with HM Land Registry.
Sales timeline
18 July 2021Most recent
£115,000
Median price across the last 5 sales in SA9 2XQ: £100,000 (2025–2021).
Nearby sales in SA9 2XQ
38 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
Sold Apr 2025
£1,00044 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
Sold Jan 2025
£121,00067 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
Sold May 2024
£135,00016 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
Sold Jan 2024
£100,00040 Heol Gwys, Upper Cwmtwrch, Swansea, SA9 2XQ
Sold Nov 2021
£76,000
Everything we know about 26 Heol Gwys, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
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Versus other Heol Gwys homes
26 Heol Gwys outperforms the street on floor area by a wide margin.
Price per m²
£1,000
Street avg £1,219
Floor Area
115 m²
Street avg 87 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
7.2 t/year
Street avg 6.6 t/year
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Cwmtwrch Rugby Club — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.