14 Clos Islwyn, Killay, Swansea, SA2 7ET
About 14 Clos Islwyn
14 Clos Islwyn is a detached house in Killay, Swansea, Swansea (SA2 7ET). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (July 2014) shows a C (score 74). The recommended improvements would push it to B (score 84). The latest certificate is from July 2014, so improvements made since then won't be reflected.
At 134 m² the property is well over the postcode median (102 m² across 8 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2011. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 1999–2019, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £382,000 is 36.4% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£194/sq ft) was about 32.1% above the typical sold price in the postcode. Most recent transfer: November 2019 at £280,000.
Energy performance
14 Clos Islwyn's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 Jul 2024
EPC Rating
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Planning history
14 Clos Islwyn has an approved extension on the planning record.
1 application on record at 14 Clos Islwyn, Killay, Swansea, SA2 7ET
- Feb 2011ConservatoryFullOutcome in report
Extension to existing orangery
Extension- Documents
- 7 docs on file
- Reference
- 2010/1747
Unlock 14 Clos Islwyn, Killay, Swansea, SA2 7ET'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- Every decision — granted, refused or withdrawn (1 on record)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 3 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
14 Clos Islwyn has more than doubled in price since the earliest registered sale in 1999.
£382,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 20 years.
£280,000
Growth on file: 5.5% per year over 20 years.
Sales timeline
7 November 2019Most recent
£280,000
+25.0%over 14 years19 October 2005
£224,000
+133.5%over 5 years27 October 1999
£95,950
Median price across the last 5 sales in SA2 7ET: £270,000 (2024–2015).
Nearby sales in SA2 7ET
11 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Apr 2024
£325,0005 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Feb 2019
£290,0004 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Feb 2017
£270,0007 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Sept 2015
£212,0002 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Aug 2013
£196,500
Versus other Clos Islwyn homes
Floor Area for 14 Clos Islwyn runs comfortably ahead of the street norm.
Price per m²
£2,090
Street avg £2,314
Floor Area
134 m²
Street avg 104 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.3 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Lamb Lane — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







