1 Bryn Castell, Radyr, Cardiff, CF15 8RA
About 1 Bryn Castell
1 Bryn Castell is a five-bedroom detached house in Radyr, Cardiff, Cardiff (CF15 8RA). It has a recorded floor area of 148 m² (around 1590 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (March 2012) shows a D (score 64), on the cusp of jumping into the C band. The latest certificate is from March 2012, so improvements made since then won't be reflected.
At 148 m² the property is well over the postcode median (71 m² across 3 EPCs), placing it in the larger end of the local stock. Across 2003–2012, sale prices on this property compounded at 0.9% per year. Today's modelled estimate of £456,000 sits 78.8% above the 2012 sale of £255,000. On a £-per-square-foot basis, the last sale (£160/sq ft) was about 27.5% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 14 years ago, in May 2012.
What this property has
Inside
- Bedrooms5
Energy performance
1 Bryn Castell'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This certificate is over 10 years old and is no longer valid.Expired 29 Mar 2022
EPC Rating
Certificate validity
Expired on 29 March 2022
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Planning history
Council records include a two-storey side extension at 1 Bryn Castell.
2 applications on record at 1 Bryn Castell, Radyr, Cardiff, CF15 8RA
- Nov 2017ExtensionFullOutcome in report
Extension: Two storey · Side of property
TWO STOREY SIDE EXTENSION
- Documents
- 13 docs on file
- Reference
- 17/01823/DCH
- More recent applications — locked
- AmendmentApr 2018Decision
Unlock 1 Bryn Castell, Radyr, Cardiff, CF15 8RA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 21 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Bryn Castell valuation sits well clear of the typical sold price in this postcode.
£456,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.9% per year over 8 years.
£255,000
Growth on file: 0.9% per year over 8 years.
Sales timeline
24 May 2012Most recent
£255,000
+7.6%over 8 years5 December 2003
£237,000
Median price across the last 4 sales in CF15 8RA: £139,000 (2024–1997).
Versus other Bryn Castell homes
Floor Area for 1 Bryn Castell runs comfortably ahead of the street norm.
EPC Rating
64 (D)
Street avg 64 (D)
Floor Area
148 m²
Street avg 85 m²
CO₂ Emissions
5.5 t/year
Street avg 3.4 t/year
Habitable Rooms
7 rooms
Street avg 5 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Graig Hir — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







