9 Chartley Close, St Mellons, Cardiff, CF3 0SD
About 9 Chartley Close
9 Chartley Close is a two-bedroom end-of-terrace 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 1983-1990 and council tax band C. The latest certificate (November 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Last sale on file: £198,000 in March 2022. Across the public record there are 6 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1997–2022, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £229,000 is 15.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£302/sq ft) was about 88.7% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- GarageYes
- Cul-de-sacYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 9 November 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
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Planning history
9 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
Sale price has grown by over 3x since 1997.
£229,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 25 years.
£198,000
Growth on file: 5.7% per year over 25 years.
Sales timeline
21 March 2022Most recent
£198,000
+15.1%over 2 years24 October 2019
£172,000
+23.7%over 8 years17 July 2011
£139,000
+8.6%over 4 years19 January 2007
£128,000
+64.2%over 4 years26 September 2002
£77,950
+55.9%over 5 years26 June 1997
£50,000
Median price across the last 5 sales in CF3 0SD: £167,000 (2026–2018).
Nearby sales in CF3 0SD
4 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Feb 2026
£215,0001 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
£153,0003 Chartley Close, St Mellons, Cardiff, CF3 0SD
Sold Jun 2017
£120,000
Versus other Chartley Close homes
On price per m², 9 Chartley Close stands well clear of the street.
Price per m²
£3,246
Street avg £2,019
Floor Area
61 m²
Street avg 64 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.5 t/year
Similar properties nearby
1 Caradoc Close, St Mellons
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1 Aster 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.







