17 Canopus Close, St Mellons, Cardiff, CF3 1NR
About 17 Canopus Close
17 Canopus Close is a detached house in St. Mellons, Cardiff, Cardiff (CF3 1NR). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (March 2014) shows a C (score 71). The rating has held steady at C across 3 certificates since February 2014. The recommended improvements would push it to B (score 87). The latest certificate is from March 2014, so improvements made since then won't be reflected.
Untraded for 30 years, with the last transfer in September 1996. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £283,000 sits 372.1% above the 1996 sale of £59,950. On a £-per-square-foot basis, the last sale (£74/sq ft) was about 54.3% below the postcode norm.
Energy performance
17 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This certificate is over 10 years old and is no longer valid.Expired 12 Mar 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
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Planning history
17 Canopus Close has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
17 Canopus Close's modelled value sits at over four times its earliest registered sale price (1996).
£283,000
Modelled from EPC, postcode comparables.
£59,950
Recorded with HM Land Registry.
Sales timeline
22 September 1996Most recent
£59,950
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
On price per m², 17 Canopus Close runs well behind the street norm.
Price per m²
£799
Street avg £2,337
Floor Area
75 m²
Street avg 70 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.







