8 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
About 8 Glenroy Avenue
8 Glenroy Avenue is a three-bedroom semi-detached house in St. Thomas, Swansea, Swansea (SA1 8DU). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2016) shows a C (score 71). When first surveyed in August 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 84). The latest certificate is from January 2016, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Across 2007–2017, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £217,000 sits 55% above the 2017 sale of £140,000. On a £-per-square-foot basis, the last sale (£146/sq ft) was about 34.2% above the typical sold price in the postcode. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). On the market in October 2017 and unlisted since — roughly 9 years.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Outside
- Private gardenYes
Building
- Previously extendedYes
- RefurbishedYes
Everything you need to know about 8 Glenroy Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 31 Jan 2026
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
Roof insulation improved
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
8 Glenroy Avenue has an approved single-storey rear extension on the planning record.
1 application on record at 8 Glenroy Avenue, St Thomas, Swansea, SA1 8DU
- Jun 2007ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Reference
- 2007/0963
Unlock 8 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
- What the pattern means for extending or converting here
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Sales history & valuation
8 Glenroy Avenue changed hands twice within eighteen months — unusual for the area.
£217,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 11 years.
£140,000
Growth on file: 2.7% per year over 11 years.
Sales timeline
30 October 2017Most recent
£140,000
+1.4%over 1 year3 July 2016
£138,000
+31.4%over 9 years31 January 2007
£105,000
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
8 Glenroy Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£1,573
Street avg £1,320
Floor Area
89 m²
Street avg 80 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.8 t/year
Street avg 4.1 t/year
Everything you need to know about 8 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.






