11 Aster Close, St Mellons, Cardiff, CF3 0JB
About 11 Aster Close
11 Aster Close is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0JB). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (April 2024) shows a C (score 71). The rating has held steady at C across 2 certificates since November 2021. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 86).
At 74 m² it's 28.7% larger than the typical home in the postcode (58 m² median across 8 EPCs). Across 1998–2022, sale prices on this property compounded at 5.6% per year. Today's modelled estimate of £256,000 is 24.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£259/sq ft) was about 61.6% above the typical sold price in the postcode. Last sale on file: £206,000 in February 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
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Planning history
11 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
11 Aster Close has more than tripled in price since its earliest registered sale in 1998.
£256,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 24 years.
£206,000
Growth on file: 5.6% per year over 24 years.
Sales timeline
22 February 2022Most recent
£206,000
+267.9%over 23 years14 May 1998
£56,000
Median price across the last 5 sales in CF3 0JB: £178,000 (2023–2015).
Nearby sales in CF3 0JB
2 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold May 2023
£210,00012 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold May 2021
£197,5009 Aster Close, St Mellons, Cardiff, CF3 0JB
Sold Feb 2020
£160,0007 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
11 Aster Close is notably below the street on years held.
Price per m²
£2,784
Street avg £2,255
Floor Area
74 m²
Street avg 78 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.8 t/year
Similar properties nearby
1 Brython Drive, St Mellons
CF3 0LR
1 Bassaleg Close, St Mellons
CF3 0HN
1 Burreed Close
CF3 0RL
1 Aster Close, St Mellons
CF3 0JB
1 Bodnant Close, St Mellons
CF3 0JL
1 Brynmawr Close, St Mellons
CF3 0HJ
1 Chartley Close, St Mellons
CF3 0SD
1 Chervil Close, St Mellons
CF3 0NL
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.







