14 Canopus Close, St Mellons, Cardiff, CF3 1NR
About 14 Canopus Close
14 Canopus Close is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 1NR). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (July 2025) shows a C (score 77), near the top of the C band. The recommended improvements would push it to B (score 83).
Untraded for 24 years, with the last transfer in October 2002. Today's modelled estimate of £258,000 sits 186.8% above the 2002 sale of £89,950. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 24.4% below the postcode norm. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- Utility roomYes
- CloakroomYes
Outside
- ParkingAllocated
Energy performance
14 Canopus Close's carbon output is low for the local stock.
EPC Rating
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Planning history
14 Canopus Close has an approved single-storey side extension on the planning record.
1 application on record at 14 Canopus Close, St Mellons, Cardiff, CF3 1NR
- Oct 2016ExtensionFullOutcome in report
Extension: Single storey · Side of property
GROUND FLOOR EXTENSION TO THE SIDE OF THE PROPERTY, REPLACING A SECTION OF THE EXISTING BOUNDARY WALL WITH SIDE WALL OF PROPOSED EXTENSION. ADDITIONAL ACCESS VIA PROPOSED GATE THROUGH BOUNDARY WALL INTO REAR GARDEN.
- Documents
- 11 docs on file
- Reference
- 16/01963/DCH
Unlock 14 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- Every decision — granted, refused or withdrawn (1 on record)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 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
14 Canopus Close valuation sits well clear of the typical sold price in this postcode.
£258,000
Modelled from EPC, postcode comparables.
£89,950
Recorded with HM Land Registry.
Sales timeline
31 October 2002Most recent
£89,950
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
14 Canopus Close outperforms the street on epc rating by a wide margin.
Price per m²
£1,323
Street avg £2,299
Floor Area
68 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
1.4 t/year
Street avg 2.4 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
0.2 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.







