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 £220,000 sits 175% above the 2002 sale of £80,000. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 38.4% below the postcode norm.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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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).
£220,000
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
14 Cowper Close, Killay, Swansea, SA2 7DG
Sold Jan 2025
£207,50018 Cowper Close, Killay, Swansea, SA2 7DG
Sold Dec 2021
£159,9507 Cowper Close, Killay, Swansea, SA2 7DG
Sold Oct 2019
£133,50010 Cowper Close, Killay, Swansea, SA2 7DG
Sold Oct 2019
£145,0002 Cowper Close, Killay, Swansea, SA2 7DG
Sold Oct 2019
£192,000
Versus other Cowper Close homes
Price per m² for 25 Cowper Close lags the street by a wide margin.
Price per m²
£1,143
Street avg £1,946
Floor Area
70 m²
Street avg 68 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.4 t/year
Similar properties nearby
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
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.







