40 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
About 40 Glenroy Avenue
40 Glenroy Avenue is a semi-detached house in St. Thomas, Swansea, Swansea (SA1 8DU). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (July 2020) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump.
Today's modelled estimate of £176,000 sits 60% above the 2021 sale of £110,000. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 15.1% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Last sale on file: £110,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 40 Glenroy Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
40 Glenroy Avenue has no planning applications on record.
But the area is active
53 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£176,000
Modelled from EPC, postcode comparables.
£110,000
Recorded with HM Land Registry.
Sales timeline
4 February 2021Most recent
£110,000
Median price across the last 5 sales in SA1 8DU: £140,000 (2025–2017).
Nearby sales in SA1 8DU
18 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Nov 2025
£142,00015 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Nov 2024
£190,0002 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Aug 2018
£91,0007 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Mar 2018
£122,0008 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Oct 2017
£140,000
Versus other Glenroy Avenue homes
40 Glenroy Avenue is notably below the street on years held.
Price per m²
£1,358
Street avg £1,337
Floor Area
81 m²
Street avg 80 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.0 t/year
Everything you need to know about 40 Glenroy Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Grenfell Park Post Office — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






