Harlech House, Flat 1, Heol Isaf, Radyr, Cardiff, CF15 8AP
About Harlech House
Harlech House is a two-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8AP). It has a recorded floor area of 70 m² (around 757 sq ft), construction records dating it to 1976-1982 and council tax band D. At 70 m² this is the 2nd smallest of 12 units on EPC record in Harlech House, where floor areas span 70–75 m². The building's EPC ratings span D to B across 12 units on file. The latest certificate (February 2009) shows a C (score 70). The latest certificate is from February 2009, so improvements made since then won't be reflected.
On the market in October 2015 and unlisted since — roughly 11 years. Across 2003–2015, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £178,000 is 36.9% above the 2015 sale price.
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Communal gardenYes
- ParkingOff road
Energy performance
Harlech House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Feb 2019
EPC Rating
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Planning history
Harlech House 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
Harlech House valuation sits well clear of the typical sold price in this postcode.
£178,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.5% per year over 13 years.
£130,000
Growth on file: 2.5% per year over 13 years.
Sales timeline
22 October 2015Most recent
£130,000
6 January 2005
£130,000
+36.8%over 1 year21 February 2003
£95,000
Median price across the last 5 sales in CF15 8AP: £150,000 (2024–2019).
Nearby sales in CF15 8AP
Harlech House, Flat 3, Heol Isaf, Radyr, Cardiff, CF15 8AP
Sold Mar 2024
£190,000Harlech House, Flat 9, Heol Isaf, Radyr, Cardiff, CF15 8AP
Sold Nov 2022
£162,000Harlech House, Flat 6, Heol Isaf, Radyr, Cardiff, CF15 8AP
Sold Jul 2022
£150,000Harlech House, Flat 4, Heol Isaf, Radyr, Cardiff, CF15 8AP
Sold Dec 2021
£142,000Harlech House, Flat 7, Heol Isaf, Radyr, Cardiff, CF15 8AP
Sold Nov 1998
£50,000
Versus other Heol Isaf homes
Floor Area for Harlech House lags the street by a wide margin.
Price per m²
£1,848
Street avg £1,890
Floor Area
70 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.1 t/year
Similar properties nearby
Harlech House, Flat 6, Heol Isaf, Radyr
CF15 8AP
Argyll Court, Flat 3, Maes Yr Awel, Radyr
CF15 8AW
Harlech House, Flat 9, Heol Isaf, Radyr
CF15 8AP
Castle Court, Flat 2, Caer Graig, Radyr
CF15 8RD
Argyll Court, Flat 1, Maes Yr Awel, Radyr
CF15 8AW
Harlech House, Flat 3, Heol Isaf, Radyr
CF15 8AP
Argyll Court, Flat 6, Maes Yr Awel, Radyr
CF15 8AW
Castle Court, Flat 1, Caer Graig, Radyr
CF15 8RD
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Danybryn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







