9 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
About 9 Parkstone Avenue
9 Parkstone Avenue is a semi-detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5TY). It has a recorded floor area of 128 m² (around 1376 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (February 2010) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from February 2010, so improvements made since then won't be reflected.
At 128 m² the property is well over the postcode median (89 m² across 15 EPCs), placing it in the larger end of the local stock.
Energy performance
9 Parkstone Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Feb 2020
EPC Rating
Certificate validity
Expired on 24 February 2020
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Planning history
9 Parkstone Avenue 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
9 Parkstone Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£299,000
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 5TY: £190,000 (2024–2014).
Nearby sales in CF3 5TY
15 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
Sold Dec 2024
£341,00014 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
Sold Dec 2021
£207,50012 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
Sold Apr 2019
£175,00016 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
Sold Sept 2016
£190,00011 Parkstone Avenue, Old St Mellons, Cardiff, CF3 5TY
Sold Sept 2014
£175,000
Versus other Parkstone Avenue homes
9 Parkstone Avenue outperforms the street on floor area by a wide margin.
EPC Rating
68 (D)
Street avg 67 (D)
Floor Area
128 m²
Street avg 100 m²
CO₂ Emissions
4.6 t/year
Street avg 3.5 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
Similar properties nearby
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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.







