19 Canopus Close, St Mellons, Cardiff, CF3 1NR
About 19 Canopus Close
19 Canopus Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NR). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (February 2009) shows a C (score 76), near the top of the C band. The latest certificate is from February 2009, so improvements made since then won't be reflected.
Untraded for 17 years, with the last transfer in July 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £261,000 sits 96.2% above the 2009 sale of £133,000. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. At 84 m² it's 22.5% larger than the typical home in the postcode (69 m² median across 14 EPCs).
Energy performance
19 Canopus Close'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This certificate is over 10 years old and is no longer valid.Expired 18 Feb 2019
EPC Rating
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Planning history
19 Canopus Close has an approved extension on the planning record.
1 application on record at 19 Canopus Close, St Mellons, Cardiff, CF3 1NR
- Oct 2014ExtensionOutlineOutcome in report
PROPOSED LAWFUL DEVELOPMENT CERTIFICATE FOR SINGLE STOREY EXTENSION TO THE SIDE
- Documents
- 5 docs on file
- Reference
- 14/01823/DCH
Unlock 19 Canopus Close, St Mellons, Cardiff, CF3 1NR'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- Every decision — granted, refused or withdrawn (1 on record)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 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£261,000
Modelled from EPC, postcode comparables.
£133,000
Recorded with HM Land Registry.
Sales timeline
13 July 2009Most recent
£133,000
Median price across the last 5 sales in CF3 1NR: £215,000 (2024–2021).
Nearby sales in CF3 1NR
13 Canopus Close, St Mellons, Cardiff, CF3 1NR
Sold Apr 2024
£290,0008 Canopus Close, St Mellons, Cardiff, CF3 1NR
Sold Mar 2023
£233,00024 Canopus Close, St Mellons, Cardiff, CF3 1NR
Sold Jan 2023
£169,00026 Canopus Close, St Mellons, Cardiff, CF3 1NR
Sold Nov 2021
£166,00025 Canopus Close, St Mellons, Cardiff, CF3 1NR
Sold Sept 2021
£215,000
Versus other Canopus Close homes
On floor area, 19 Canopus Close stands well clear of the street.
Price per m²
£1,584
Street avg £2,281
Floor Area
84 m²
Street avg 69 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.4 t/year
Similar properties nearby
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
0.2 km
Ty Coch Court — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







