21 Melrose Close, Old St Mellons, Cardiff, CF3 5SW
About 21 Melrose Close
21 Melrose Close is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5SW). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (March 2015) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2015. The recommended improvements would lift it to C (score 80), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
21 Melrose Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Mar 2025
EPC Rating
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Planning history
21 Melrose 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
21 Melrose Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£332,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF3 5SW: £350,000 (2024–2018).
Nearby sales in CF3 5SW
19a, Melrose Close, Old St Mellons, Cardiff, CF3 5SW
Sold Mar 2024
£275,00010 Melrose Close, Old St Mellons, Cardiff, CF3 5SW
Sold Sept 2022
£350,00022 Melrose Close, Old St Mellons, Cardiff, CF3 5SW
Sold Jan 2020
£370,00014 Melrose Close, Old St Mellons, Cardiff, CF3 5SW
Sold Apr 2019
£248,00019 Melrose Close, Old St Mellons, Cardiff, CF3 5SW
Sold Dec 2018
£380,000
Versus other Melrose Close homes
21 Melrose Close is notably below the street on epc rating.
EPC Rating
46 (E)
Street avg 65 (D)
Floor Area
120 m²
Street avg 129 m²
CO₂ Emissions
7.5 t/year
Street avg 4.5 t/year
Habitable Rooms
7 rooms
Street avg 6 rooms
Similar properties nearby
1 Chapel Row, Old St Mellons
CF3 5UB
1 Brendon Close, Llanrumney
CF3 5RJ
1 Axbridge Crescent, Llanrumney
CF3 5TJ
1 Chapel Row Lane, Old St Mellons
CF3 5ST
1 Captain S View, Braunton Crescent, Llanrumney
CF3 5AD
1 Clos Hendre Gadno, Old St Mellons
CF3 5UJ
1 Blackbirds Way, St Mellons
CF3 5RE
1 Dickens Avenue, Llanrumney
CF3 5LX
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
Wern Fawr Lane — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







