9 Aster Close, St Mellons, Cardiff, CF3 0JB
About 9 Aster Close
9 Aster Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0JB). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (March 2020) shows a C (score 71). When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 87).
Across 2009–2020, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £197,000 is 23.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 147% above the typical sold price in the postcode. Last sale on file: £160,000 in February 2020.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
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Planning history
9 Aster 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£197,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 11 years.
£160,000
Growth on file: 4.1% per year over 11 years.
Sales timeline
7 February 2020Most recent
£160,000
+45.5%over 9 years21 October 2010
£110,000
+4.8%over 1 year16 July 2009
£105,000
Median price across the last 5 sales in CF3 0JB: £197,500 (2023–2015).
Nearby sales in CF3 0JB
2 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold May 2023
£210,00011 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold Feb 2022
£206,00012 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold May 2021
£197,5007 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold Apr 2019
£178,0004 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold Dec 2015
£157,500
Versus other Aster Close homes
On price per m², 9 Aster Close stands well clear of the street.
Price per m²
£2,807
Street avg £2,253
Floor Area
57 m²
Street avg 80 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.9 t/year
Similar properties nearby
1 Caraway Close, St Mellons
CF3 0NF
1 Blaina Close, St Mellons
CF3 0EB
1 Bulrush Close, St Mellons
CF3 0AZ
1 Caerleon Close, St Mellons
CF3 0HH
1 Cathcob Close, St Mellons
CF3 0AH
1 Broadwell Close, St Mellons
CF3 0HU
1 Abernethy Close, St Mellons
CF3 0SB
1 Ashfield Court, St Mellons
CF3 0AE
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Kwik Save — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







