21 Queen Anne Square, Cardiff, CF10 3ED
About 21 Queen Anne Square
21 Queen Anne Square is a detached house in Cardiff (CF10 3ED). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (November 2023) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2021. Between certificates, lighting went from Average to Good. The recommended improvements would lift it to C (score 77), a 2-band jump.
At 111 m² it's 22.1% smaller than the typical home in the postcode (143 m² median across 26 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
21 Queen Anne Square has no planning applications on record.
But the area is active
6 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Queen Anne Square has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£657,000
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 CF10 3ED: £815,000 (2024–2014).
Nearby sales in CF10 3ED
2 Queen Anne Square, Cardiff, CF10 3ED
Sold Nov 2024
£1,000,00015 Queen Anne Square, Cardiff, CF10 3ED
Sold Aug 2019
£840,00020 Queen Anne Square, Cardiff, CF10 3ED
Sold Nov 2015
£700,00014 Queen Anne Square, Cardiff, CF10 3ED
Sold May 2014
£645,00017 Queen Anne Square, Cardiff, CF10 3ED
Sold Oct 2011
£465,000
Versus other Queen Anne Square homes
21 Queen Anne Square is notably below the street on habitable rooms.
EPC Rating
52 (E)
Street avg 57 (D)
Floor Area
111 m²
Street avg 158 m²
CO₂ Emissions
5.3 t/year
Street avg 6.4 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Rosemount — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







