10 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
About 10 Glenroy Avenue
10 Glenroy Avenue is a three-bedroom semi-detached house in St. Thomas, Swansea, Swansea (SA1 8DU). It has a recorded floor area of 77 m² (around 831 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2010) shows an F (score 33), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 74), a 3-band jump. The latest certificate is from November 2010, so improvements made since then won't be reflected. Other recorded features include notable views.
Untraded for 15 years, with the last transfer in January 2011. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £158,000 is 37.4% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 26.3% above the typical sold price in the postcode. One historical planning record sits against the property in 2019.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenYes
- Notable viewsYes
Building
- Heating systemGas
Everything you need to know about 10 Glenroy Avenue
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Energy performance
10 Glenroy Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Nov 2020
EPC Rating
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Planning history
1 application on record at 10 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
- Jul 2019ExtensionOutlineOutcome in report
Hip to gable roof extension, insertion of second floor side window and rear roof light (application for a Certificate of Proposed Lawful Development)
- Documents
- 8 docs on file
- Reference
- 2019/1350/PLD
Unlock 10 Glenroy Avenue, St Thomas, Swansea, SA1 8DU's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 53 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
10 Glenroy Avenue valuation sits well clear of the typical sold price in this postcode.
£158,000
Modelled from EPC, postcode comparables.
£115,000
Recorded with HM Land Registry.
Sales timeline
28 January 2011Most recent
£115,000
Median price across the last 5 sales in SA1 8DU: £122,000 (2025–2018).
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
£190,00040 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Feb 2021
£110,0002 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Aug 2018
£91,0007 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
Sold Mar 2018
£122,000
Versus other Glenroy Avenue homes
EPC Rating for 10 Glenroy Avenue lags the street by a wide margin.
Price per m²
£1,490
Street avg £1,326
Floor Area
77 m²
Street avg 81 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
7.8 t/year
Street avg 3.8 t/year
Everything you need to know about 10 Glenroy Avenue
The true value, the hidden risks and the full sale history, in one report.
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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.






