23 Cefn Coch, Radyr, Cardiff, CF15 8BJ
About 23 Cefn Coch
23 Cefn Coch is a two-bedroom semi-detached house in Radyr, Cardiff, Cardiff (CF15 8BJ). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (March 2022) shows a C (score 71). When first surveyed in February 2012 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 87).
One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Across 2012–2018, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £288,000 is 37.1% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£296/sq ft) was about 46.1% above the typical sold price in the postcode. Last sold in May 2018, so it's been off the market for around 8 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Private gardenYes
- GarageYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
More low energy lighting installed
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Planning history
23 Cefn Coch has an approved side and rear extension on the planning record.
1 application on record at 23 Cefn Coch, Radyr, Cardiff, CF15 8BJ
- Oct 2022ExtensionFullOutcome in report
Extension: Side and rear of property
Two storey side and single storey rear extension
- Documents
- 7 docs on file
- Reference
- 22/02038/HSE
Unlock 23 Cefn Coch, Radyr, Cardiff, CF15 8BJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 3 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Cefn Coch valuation sits well clear of the typical sold price in this postcode.
£288,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 6 years.
£210,000
Growth on file: 6.8% per year over 6 years.
Sales timeline
3 May 2018Most recent
£210,000
+46.9%over 5 years12 July 2012
£143,000
Median price across the last 5 sales in CF15 8BJ: £225,000 (2024–2019).
Nearby sales in CF15 8BJ
Versus other Cefn Coch homes
EPC Rating for 23 Cefn Coch runs comfortably ahead of the street norm.
Price per m²
£3,182
Street avg £2,466
Floor Area
66 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.8 t/year
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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.







