15 Cornish Close, Cardiff, CF11 7BR
About 15 Cornish Close
15 Cornish Close is a one-bedroom semi-detached house in Cardiff (CF11 7BR). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1991-1995 and council tax band B. At 38 m² this is the 9th smallest of 17 units on EPC record in the building, where floor areas span 30–45 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (March 2023) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (December 2009); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.
Across 2003–2012, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £124,000 sits 82.4% above the 2012 sale of £68,000. Last sold in October 2012, so it's been off the market for around 14 years.
What this property has
Inside
- Bedrooms1
Energy performance
15 Cornish Close's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
15 Cornish Close has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15 Cornish Close saw 3 transfers in just over a decade — high turnover for the postcode.
£124,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 10 years.
£68,000
Growth on file: 2.9% per year over 10 years.
Sales timeline
23 October 2012Most recent
£68,000
-20.9%over 5 years15 November 2006
£86,000
+67.0%over 3 years14 March 2003
£51,500
Median price across the last 5 sales in CF11 7BR: £108,000 (2024–2019).
Nearby sales in CF11 7BR
Versus other Cornish Close homes
15 Cornish Close outperforms the street on epc rating by a wide margin.
Price per m²
£1,789
Street avg £2,484
Floor Area
38 m²
Street avg 38 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Horle Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







