9 Cefn Coch, Radyr, Cardiff, CF15 8BJ
About 9 Cefn Coch
9 Cefn Coch is a detached house in Radyr, Cardiff, Cardiff (CF15 8BJ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2016) shows a G (score 1), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 82), a 5-band jump. Main heating runs on to be used only when there is no heating/hot. The latest certificate is from March 2016, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £272,000 sits 81.3% above the 2016 sale of £150,000. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in March 2016, so it's been off the market for around 10 years.
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Energy performance
9 Cefn Coch sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Mar 2026
EPC Rating
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Planning history
9 Cefn Coch has an approved single-storey rear extension on the planning record.
1 application on record at 9 Cefn Coch, Radyr, Cardiff, CF15 8BJ
- Jan 2017ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
CONSTRUCTION OF SINGLE STOREY EXTENSION (WITHIN PERMITTED DEVELOPMENTS) AT THE REAR OF BUNGALOW TO RELOCATE KITCHEN. AREA APPROX 21.5 SQ METRES IN SIZE, WILL NOT EXCEED 4 METRES IN LENGTH, OR HEIGHT OF EXISTING EAVES/ROOF . FINISHED BUILDING WILL MATCH THE EXISTING BRICK WALLS AND CONCRETE TILE ROOF STRUCTURE
- Documents
- 4 docs on file
- Reference
- 16/02889/DCH
Unlock 9 Cefn Coch, Radyr, Cardiff, CF15 8BJ'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- Every decision — granted, refused or withdrawn (1 on record)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 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Cefn Coch valuation sits well clear of the typical sold price in this postcode.
£272,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
Sales timeline
22 March 2016Most recent
£150,000
Median price across the last 5 sales in CF15 8BJ: £225,000 (2024–2019).
Nearby sales in CF15 8BJ
Versus other Cefn Coch homes
On epc rating, 9 Cefn Coch runs well behind the street norm.
Price per m²
£2,174
Street avg £2,517
Floor Area
69 m²
Street avg 77 m²
Habitable Rooms
1 rooms
Street avg 4 rooms
CO₂ Emissions
11.0 t/year
Street avg 3.4 t/year
Everything you need to know about 9 Cefn Coch
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cefn Coch — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.