Ty Gwyn, Caer Graig, Radyr, Cardiff, CF15 8RD
About Ty Gwyn
Ty Gwyn is a detached house in Radyr, Cardiff, Cardiff (CF15 8RD). It has a recorded floor area of 165 m² (around 1776 sq ft). The latest certificate (December 2017) returns a B (score 82), comfortably above the UK average.
At 165 m² the property is well over the postcode median (85 m² across 13 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 85% of similar EPCs). Today's modelled estimate of £553,000 is 27.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£245/sq ft) was about 29.9% above the typical sold price in the postcode. Most recent transfer: March 2021 at £435,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
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Planning history
Ty Gwyn 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
Latest sale on Ty Gwyn was the highest on Land Registry record across the postcode.
£553,000
Modelled from EPC, postcode comparables.
£435,000
Recorded with HM Land Registry.
Sales timeline
26 March 2021Most recent
£435,000
Median price across the last 5 sales in CF15 8RD: £200,000 (2021–2017).
Nearby sales in CF15 8RD
2 Caer Graig, Radyr, Cardiff, CF15 8RD
Sold Jun 2021
£315,0009 Caer Graig, Radyr, Cardiff, CF15 8RD
Sold Jun 2020
£222,500Ty Copa, Caer Graig, Radyr, Cardiff, CF15 8RD
Sold Feb 2018
£15,0004 Caer Graig, Radyr, Cardiff, CF15 8RD
Sold Jan 2017
£240,000Castle Court, Flat 3, Caer Graig, Radyr, Cardiff, CF15 8RD
Sold Mar 2015
£80,000
Versus other Caer Graig homes
On floor area, Ty Gwyn stands well clear of the street.
Price per m²
£2,636
Street avg £2,223
Floor Area
165 m²
Street avg 105 m²
CO₂ Emissions
2.4 t/year
Street avg 3.9 t/year
Years Held
5 years
Street avg 11 years
Similar properties nearby
1 Cilfedw, Radyr
CF15 8AR
1 Clos Y Mynydd, Morganstown
CF15 8FH
1 Bates Court, Radyr
CF15 8EJ
1 Clos Tylaway, Radyr
CF15 8DU
1 Bryn Calch, Morganstown
CF15 8FD
1 Bryncoed, Radyr
CF15 8RH
1 Clos Y Gwyddfid, Morganstown
CF15 8EX
1 Ael Y Bryn, Radyr
CF15 8AZ
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Radyr Primary School — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







