9 Clos Islwyn, Killay, Swansea, SA2 7ET
About 9 Clos Islwyn
9 Clos Islwyn is a detached house in Killay, Swansea, Swansea (SA2 7ET). It has a recorded floor area of 111 m² (around 1197 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (July 2010) shows a C (score 72). The latest certificate is from July 2010, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in September 2010. Across 2000–2010, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £375,000 sits 62.3% above the 2010 sale of £231,000. On a £-per-square-foot basis, the last sale (£193/sq ft) was about 24.2% above the typical sold price in the postcode. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved.
Energy performance
9 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This certificate is over 10 years old and is no longer valid.Expired 24 Jul 2020
EPC Rating
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Planning history
9 Clos Islwyn has 3 separate extension applications on the council record.
4 applications on record at 9 Clos Islwyn, Killay, Swansea, SA2 7ET
- Feb 2001Tree WorksTreesOutcome in report
TO LOP BRANCHES FROM 1 OAK AND 2 SYCAMORES COVERED BY TPO NO. 254
- Reference
- A01/0031
- More recent applications — locked
- ExtensionMay 2020Decision
- ExtensionDec 2019Decision
+ 1 more application in the report
Unlock 9 Clos Islwyn, Killay, Swansea, SA2 7ET's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 3 notable nearby
- The 32 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Clos Islwyn has more than doubled in price since the earliest registered sale in 2000.
£375,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 10 years.
£231,000
Growth on file: 7.6% per year over 10 years.
Sales timeline
30 September 2010Most recent
£231,000
+110.1%over 10 years10 August 2000
£109,950
Median price across the last 5 sales in SA2 7ET: £280,000 (2024–2017).
Nearby sales in SA2 7ET
11 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Apr 2024
£325,00014 Clos Islwyn, Killay, Swansea, SA2 7ET
Sold Nov 2019
£280,0005 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
£212,000
Versus other Clos Islwyn homes
On years held, 9 Clos Islwyn stands well clear of the street.
Price per m²
£2,077
Street avg £2,315
Floor Area
111 m²
Street avg 107 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.2 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.







