12 Castle Avenue, Rumney, Cardiff, CF3 4FT
About 12 Castle Avenue
12 Castle Avenue is an end-of-terrace house in Rumney, Cardiff, Cardiff (CF3 4FT). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2012) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78). The latest certificate is from October 2012, so improvements made since then won't be reflected.
Today's modelled estimate of £219,000 sits 75.2% above the 2013 sale of £125,000. On a £-per-square-foot basis, the last sale (£151/sq ft) was about 73.1% above the typical sold price in the postcode. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in August 2013, so it's been off the market for around 13 years.
Energy performance
12 Castle Avenue'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This certificate is over 10 years old and is no longer valid.Expired 04 Oct 2022
EPC Rating
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Planning history
1 application on record at 12 Castle Avenue, Rumney, Cardiff, CF3 4FT
- May 2019ExtensionFullOutcome in report
Extension: Single storey · Rear of property
PROPOSED HIP TO GABLE ROOF EXTENSION WITH REAR DORMER AND ROOFLIGHTS TO FRONT AND REAR SINGLE STOREY EXTENSION
- Documents
- 8 docs on file
- Reference
- 19/00530/DCH
Unlock 12 Castle Avenue, Rumney, Cardiff, CF3 4FT'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- Every decision — granted, refused or withdrawn (1 on record)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
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Castle Avenue valuation sits well clear of the typical sold price in this postcode.
£219,000
Modelled from EPC, postcode comparables.
£125,000
Recorded with HM Land Registry.
Sales timeline
29 August 2013Most recent
£125,000
Median price across the last 5 sales in CF3 4FT: £178,000 (2022–2007).
Nearby sales in CF3 4FT
3 Castle Avenue, Rumney, Cardiff, CF3 4FT
Sold Apr 2022
£229,0005 Castle Avenue, Rumney, Cardiff, CF3 4FT
Sold Jul 2019
£192,5004 Castle Avenue, Rumney, Cardiff, CF3 4FT
Sold Mar 2014
£167,0009 Castle Avenue, Rumney, Cardiff, CF3 4FT
Sold Jan 2008
£178,0006 Castle Avenue, Rumney, Cardiff, CF3 4FT
Sold Aug 2007
£165,000
Versus other Castle Avenue homes
On floor area, 12 Castle Avenue runs well behind the street norm.
Price per m²
£1,623
Street avg £1,668
Floor Area
77 m²
Street avg 88 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.5 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Castle Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







