10 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
About 10 Clos Ty Mawr
10 Clos Ty Mawr is a detached house in Penllergaer, Swansea, Swansea (SA4 9DA). It has a recorded floor area of 152 m² (around 1636 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (October 2013) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2013); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from October 2013, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
Energy performance
10 Clos Ty Mawr's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Oct 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Low energy lighting percentage decreased
Hot water efficiency decreased
More low energy lighting installed
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Planning history
10 Clos Ty Mawr has an approved single-storey side extension on the planning record.
1 application on record at 10 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
- Aug 2007ExtensionFullOutcome in report
Extension: Single storey · Side of property
First floor side extension
- Reference
- 2007/1362
Unlock 10 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
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Sales history & valuation
10 Clos Ty Mawr has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£371,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA4 9DA: £350,000 (2023–2014).
Nearby sales in SA4 9DA
13 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
Sold Oct 2023
£420,00017 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
Sold Jan 2020
£365,0008 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
Sold Apr 2019
£350,0007 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
Sold Aug 2018
£255,0003 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA
Sold Mar 2014
£246,000
Versus other Clos Ty Mawr homes
10 Clos Ty Mawr is notably below the street on co₂ emissions.
EPC Rating
54 (E)
Street avg 64 (D)
Floor Area
152 m²
Street avg 149 m²
CO₂ Emissions
7.3 t/year
Street avg 5.5 t/year
Habitable Rooms
7 rooms
Street avg 7 rooms
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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
Parc Penllergaer — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







