8 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
About 8 Castle Road
8 Castle Road is a semi-detached house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 74 m² (around 800 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (July 2011) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from July 2011, so improvements made since then won't be reflected.
Across 2011–2011, sale prices on this property compounded at 69.4% per year. Today's modelled estimate of £299,000 is 45.9% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£256/sq ft) was about 22% above the typical sold price in the postcode. Last changed hands 15 years ago, in August 2011. At 74 m² it's 27.5% smaller than the typical home in the postcode (103 m² median across 24 EPCs). One planning record on file: an extension refused in 2009.
Energy performance
8 Castle Road'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This certificate is over 10 years old and is no longer valid.Expired 20 Jul 2021
EPC Rating
Certificate validity
Expired on 20 July 2021
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Planning history
1 application on record at 8 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
- Sept 2009ExtensionFullOutcome in report
Extension: Front of property
TWO STOREY FRONT EXTENSION AND ROOF EXTENSION FROM HIP TO GABLE
- Documents
- 2 docs on file
- Reference
- 09/01225/W
Unlock 8 Castle Road, Tongwynlais, Cardiff, CF15 7JQ'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- Every decision — granted, refused or withdrawn (1 on record)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 1 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
8 Castle Road changed hands twice within eighteen months — unusual for the area.
£299,000
Modelled from EPC, postcode comparables and a sale-price growth of 69.4% per year over 1 year.
£205,000
Growth on file: 69.4% per year over 1 year.
Sales timeline
17 August 2011Most recent
£205,000
+69.4%8 March 2011
£121,000
Median price across the last 5 sales in CF15 7JQ: £289,000 (2025–2022).
Nearby sales in CF15 7JQ
17 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Dec 2025
£462,50034 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Nov 2023
£325,0003 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Apr 2023
£265,0005 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Mar 2023
£289,0001 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Jun 2022
£252,500
Versus other Castle Road homes
8 Castle Road outperforms the street on years held by a wide margin.
Price per m²
£2,760
Street avg £3,047
Floor Area
74 m²
Street avg 133 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
85/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Catherine Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







