9 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
About 9 Castle Road
9 Castle Road is a four-bedroom end-of-terrace house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 130 m² (around 1399 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (December 2020) shows a D (score 55), a step below the typical UK home. When first surveyed in July 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 81), a 2-band jump. Period features are noted in the property record.
At 130 m² the property is well over the postcode median (96 m² across 24 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £384,000 is 32.9% above the 2020 sale price. Sold December 2020 for £289,000.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
Building
- Period featuresYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 December 2030
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 was built before 1919, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
9 Castle Road has an approved single-storey extension on the planning record.
1 application on record at 9 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
- Jul 2023ExtensionFullOutcome in report
Extension: Single storey
Single Storey Extension and associated alterations
- Documents
- 9 docs on file
- Reference
- 23/00919/HSE
Unlock 9 Castle Road, Tongwynlais, Cardiff, CF15 7JQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 9 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£384,000
Modelled from EPC, postcode comparables.
£289,000
Recorded with HM Land Registry.
Sales timeline
22 December 2020Most recent
£289,000
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
Price per m² for 9 Castle Road lags the street by a wide margin.
Price per m²
£2,223
Street avg £3,079
Floor Area
130 m²
Street avg 131 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.7 t/year
Similar properties nearby
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1 Forest Cottage, Castle Road, Tongwynlais
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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.







