25 Cowper Close, Killay, Swansea, SA2 7DG
About 25 Cowper Close
25 Cowper Close is a semi-detached house in Killay, Swansea, Swansea (SA2 7DG). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (December 2018) shows a C (score 71). The rating has held steady at C across 2 certificates since March 2009. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 87).
It hasn't traded since February 2002, a hold of 24 years that's notably long for the area. Across 1996–2002, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £236,000 sits 195% above the 2002 sale of £80,000. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 39% below the postcode norm.
Energy performance
EPC Rating
Certificate validity
Valid until 20 December 2028
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
25 Cowper Close has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
25 Cowper Close's estimated value is more than triple its earliest registered sale price (1996).
£236,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 5 years.
£80,000
Growth on file: 4.1% per year over 5 years.
Sales timeline
20 February 2002Most recent
£80,000
+23.1%over 5 years6 December 1996
£65,000
Median price across the last 5 sales in SA2 7DG: £159,950 (2025–2019).
Nearby sales in SA2 7DG
27 Cowper Close, Killay, Swansea, SA2 7DG
Sold Mar 2025
£320,00014 Cowper Close, Killay, Swansea, SA2 7DG
Sold Jan 2025
£207,50018 Cowper Close, Killay, Swansea, SA2 7DG
Sold Dec 2021
£159,95010 Cowper Close, Killay, Swansea, SA2 7DG
Sold Oct 2019
£145,0007 Cowper Close, Killay, Swansea, SA2 7DG
Sold Oct 2019
£133,500
Versus other Cowper Close homes
Years Held for 25 Cowper Close runs comfortably ahead of the street norm.
Price per m²
£1,143
Street avg £2,246
Floor Area
70 m²
Street avg 69 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.2 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
120/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ffordd Taliesin — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







