9 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
About 9 Ferntree Drive
9 Ferntree Drive is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0AA). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1976-1982 and council tax band A. At 52 m² this is the 12th smallest of 38 units on EPC record in the building, where floor areas span 44–99 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (66 versus a best of 86). The latest certificate (September 2016) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2015); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good and hot-water efficiency went from Average to Good; while lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 74).
At 52 m² it sits well below the postcode median (76 m² across 37 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
9 Ferntree Drive 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This certificate is over 10 years old and is no longer valid.Expired 19 Sept 2026
EPC Rating
Certificate validity
Expired on 19 September 2026
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
Hot water system upgraded
Wall insulation upgraded
Low energy lighting percentage decreased
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Planning history
9 Ferntree Drive 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
9 Ferntree Drive has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
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 0AA: £225,000 (2025–2020).
Nearby sales in CF3 0AA
41 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
Sold Aug 2025
£225,00034 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
Sold Jul 2025
£231,0006 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
Sold Jul 2025
£225,00039 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
Sold Mar 2022
£175,00013 Ferntree Drive, St Mellons, Cardiff, CF3 0AA
Sold Feb 2020
£88,000
Versus other Ferntree Drive homes
EPC Rating for 9 Ferntree Drive lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 74 (C)
Floor Area
52 m²
Street avg 53 m²
CO₂ Emissions
2.3 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
1 Broadlands Court, St Mellons
CF3 0BZ
1 Brookfield Drive, St Mellons
CF3 0BA
1 Caspian Close, St Mellons
CF3 0BQ
1 Aspen Close, St Mellons
CF3 0BT
1 Caerleon Close, St Mellons
CF3 0HH
1 Ashfield Court, St Mellons
CF3 0AE
1 Bulrush Close, St Mellons
CF3 0AZ
1 Caraway Close, St Mellons
CF3 0NF
The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Llaneirwg Way — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







