18 Ash Tree Close, Radyr, Cardiff, CF15 8RX
About 18 Ash Tree Close
18 Ash Tree Close is a four-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8RX). It has a recorded floor area of 119 m² (around 1281 sq ft), construction records dating it to 1967-1975 and council tax band G. The latest certificate (January 2016) shows a D (score 57), a step below the typical UK home. The recommended improvements would push it to C (score 79). The latest certificate is from January 2016, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
One planning record on file: a garage conversion approved in 2016. Past consents include a garage conversion, meaningful when judging how the property has evolved. Last sold in February 2016, so it's been off the market for around 10 years. At 119 m² it's 20.9% smaller than the typical home in the postcode (151 m² median across 6 EPCs). Today's modelled estimate of £496,000 is 45.9% above the 2016 sale price.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
Outside
- GarageYes
- Cul-de-sacYes
Energy performance
18 Ash Tree Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 22 Jan 2026
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
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Planning history
1 application on record at 18 Ash Tree Close, Radyr, Cardiff, CF15 8RX
- Jun 2016Garage ConversionFullOutcome in report
NEW FRONT BAY WINDOW AND CONVERSION OF GARAGE TO HABITABLE ROOM.
- Documents
- 5 docs on file
- Reference
- 16/01245/DCH
Unlock 18 Ash Tree Close, Radyr, Cardiff, CF15 8RX'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- Every decision — granted, refused or withdrawn (1 on record)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 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Ash Tree Close valuation sits well clear of the typical sold price in this postcode.
£496,000
Modelled from EPC, postcode comparables.
£339,950
Recorded with HM Land Registry.
Sales timeline
26 February 2016Most recent
£339,950
Median price across the last 5 sales in CF15 8RX: £485,000 (2025–2018).
Nearby sales in CF15 8RX
12 Ash Tree Close, Radyr, Cardiff, CF15 8RX
Sold Mar 2025
£499,95024 Ash Tree Close, Radyr, Cardiff, CF15 8RX
Sold Jun 2023
£695,00014 Ash Tree Close, Radyr, Cardiff, CF15 8RX
Sold Sept 2022
£485,0003 Ash Tree Close, Radyr, Cardiff, CF15 8RX
Sold Feb 2020
£284,00016 Ash Tree Close, Radyr, Cardiff, CF15 8RX
Sold Dec 2018
£430,000
Versus other Ash Tree Close homes
EPC Rating for 18 Ash Tree Close lags the street by a wide margin.
Price per m²
£2,857
Street avg £3,097
Floor Area
119 m²
Street avg 145 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
CO₂ Emissions
6.0 t/year
Street avg 5.9 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Ash Tree Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







