9 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
About 9 Bryn Rhosyn
9 Bryn Rhosyn is a five-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8RN). It has a recorded floor area of 186 m² (around 2002 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (October 2016) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2016. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. Records show the property has been extended at some point in its history.
At 186 m² the property is well over the postcode median (79 m² across 17 EPCs), placing it in the larger end of the local stock. Last changed hands 10 years ago, in March 2016. Across 1999–2016, sale prices on this property compounded at 7% per year. Today's modelled estimate of £625,000 is 42.4% above the 2016 sale price.
What this property has
Inside
- Bedrooms5
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageDouble
Building
- Previously extendedYes
Energy performance
9 Bryn Rhosyn's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
Planning history
9 Bryn Rhosyn 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 9 Bryn Rhosyn was the highest on Land Registry record across the postcode.
£625,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 17 years.
£439,000
Growth on file: 7.0% per year over 17 years.
Sales timeline
29 March 2016Most recent
£439,000
+213.6%over 16 years3 June 1999
£140,000
Median price across the last 5 sales in CF15 8RN: £260,000 (2025–2019).
Nearby sales in CF15 8RN
23 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
Sold Feb 2025
£360,0008 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
Sold Feb 2022
£260,00019 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
Sold Feb 2021
£257,0005 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
Sold Oct 2020
£262,50020 Bryn Rhosyn, Radyr, Cardiff, CF15 8RN
Sold Jul 2019
£230,000
Versus other Bryn Rhosyn homes
9 Bryn Rhosyn outperforms the street on floor area by a wide margin.
Price per m²
£2,360
Street avg £2,705
Floor Area
186 m²
Street avg 84 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
7.9 t/year
Street avg 3.6 t/year
Similar properties nearby
1 Bates Court, Radyr
CF15 8EJ
1 Bryn Calch, Morganstown
CF15 8FD
1 Ael Y Bryn, Radyr
CF15 8AZ
1 Bryn Castell, Radyr
CF15 8RA
1 Clos Tylaway, Radyr
CF15 8DU
1 Caer Idwen, Morganstown
CF15 8FZ
1 Clos Y Mynydd, Morganstown
CF15 8FH
1 Clos Y Gwyddfid, Morganstown
CF15 8EX
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Pentwyn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







