34 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
About 34 Castle Road
34 Castle Road is a mid-terrace house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (August 2023) shows a C (score 73). The rating has held steady at C across 2 certificates since July 2010. Between certificates, wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
One planning record on file: an extension approved in 2012. Past consents include an extension, meaningful when judging how the property has evolved. Across 2011–2023, sale prices on this property compounded at 4.9% per year. On a £-per-square-foot basis, the last sale (£299/sq ft) was about 43.5% above the typical sold price in the postcode. Last sale on file: £325,000 in November 2023.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
34 Castle Road has an approved single-storey rear extension on the planning record.
1 application on record at 34 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
- Aug 2012ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY EXTENSION TO REAR
- Documents
- 8 docs on file
- Reference
- 12/01119/DCH
Unlock 34 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- Every decision — granted, refused or withdrawn (1 on record)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 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
34 Castle Road valuation sits well clear of the typical sold price in this postcode.
£356,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 12 years.
£325,000
Growth on file: 4.9% per year over 12 years.
Sales timeline
1 November 2023Most recent
£325,000
+78.6%over 12 years6 October 2011
£182,000
Median price across the last 5 sales in CF15 7JQ: £252,500 (2023–2022).
Nearby sales in CF15 7JQ
3 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
£252,500Ty Isaf Farm, Ty Newydd, Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Feb 2021
£615,0009 Castle Road, Tongwynlais, Cardiff, CF15 7JQ
Sold Dec 2020
£289,000
Versus other Castle Road homes
Years Held for 34 Castle Road lags the street by a wide margin.
Price per m²
£3,218
Street avg £2,952
Floor Area
101 m²
Street avg 132 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.8 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
2/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.







