16 Chartley Close, St Mellons, Cardiff, CF3 0SD
About 16 Chartley Close
16 Chartley Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0SD). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (July 2022) shows a C (score 71). When first surveyed in August 2009 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 88).
Untraded for 28 years, with the last transfer in March 1998. 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 £213,000 sits 373.3% above the 1998 sale of £45,000. On a £-per-square-foot basis, the last sale (£69/sq ft) was about 59.4% below the postcode norm.
Energy performance
EPC Rating
Certificate validity
Valid until 10 July 2032
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
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Planning history
16 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
16 Chartley Close's modelled value sits at over four times its earliest registered sale price (1998).
£213,000
Modelled from EPC, postcode comparables.
£45,000
Recorded with HM Land Registry.
Sales timeline
20 March 1998Most recent
£45,000
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
Price per m² for 16 Chartley Close lags the street by a wide margin.
Price per m²
£738
Street avg £2,228
Floor Area
61 m²
Street avg 64 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.5 t/year
Similar properties nearby
1 Broadwell Close, St Mellons
CF3 0HU
1 Blaina Close, St Mellons
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1 Ashdown Close, St Mellons
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1 Caraway Close, St Mellons
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1 Cathcob Close, St Mellons
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1 Bulrush Close, St Mellons
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1 Caradoc Close, St Mellons
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1 Ashfield Court, 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.







