6 Chartley Close, St Mellons, Cardiff, CF3 0SD
About 6 Chartley Close
6 Chartley Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0SD). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (March 2023) shows a C (score 70). When first surveyed in February 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 85).
Energy performance
EPC Rating
Certificate validity
Valid until 26 March 2033
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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Planning history
6 Chartley Close has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
6 Chartley Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£231,000
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 0SD: £176,000 (2026–2019).
Nearby sales in CF3 0SD
4 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Feb 2026
£215,0009 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Mar 2022
£198,0001 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Nov 2020
£166,0008 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Mar 2019
£167,00015 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Jul 2018
£153,000
Versus other Chartley Close homes
6 Chartley Close outperforms the street on floor area by a wide margin.
EPC Rating
70 (C)
Street avg 68 (D)
Floor Area
67 m²
Street avg 64 m²
CO₂ Emissions
2.4 t/year
Street avg 2.5 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
1 Abernethy Close, St Mellons
CF3 0SB
1 Blaenavon Close, St Mellons
CF3 0HQ
1 Chervil Close, St Mellons
CF3 0NL
1 Caradoc Close, St Mellons
CF3 0LQ
1 Bodnant Close, St Mellons
CF3 0JL
1 Birkdale Close, St Mellons
CF3 0LF
1 Chartley Close, St Mellons
CF3 0SD
1 Cathcob Close, St Mellons
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Sandbrook Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







