23 Queen Street, Tongwynlais, Cardiff, CF15 7NL
About 23 Queen Street
23 Queen Street is a mid-terrace house in Tongwynlais, Cardiff, Cardiff (CF15 7NL). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (October 2024) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 86), a 2-band jump.
At 78 m² it's 15.2% smaller than the typical home in the postcode (92 m² median across 15 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
23 Queen Street 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
23 Queen Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£265,000
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 CF15 7NL: £321,300 (2025–2021).
Nearby sales in CF15 7NL
29 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Apr 2025
£126,00017 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold May 2024
£321,30030 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Sept 2021
£357,50028a, Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Jul 2021
£485,00018 Queen Street, Tongwynlais, Cardiff, CF15 7NL
Sold Jun 2021
£263,000
Versus other Queen Street homes
23 Queen Street is notably below the street on floor area.
EPC Rating
67 (D)
Street avg 60 (D)
Floor Area
78 m²
Street avg 100 m²
CO₂ Emissions
3.1 t/year
Street avg 4.7 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Castell Coch View, Tongwynlais
CF15 7LA
1 Abbey Close, Taffs Well
CF15 7RS
1 Chapel Cottage, Tabor Street, Taffs Well
CF15 7PS
1 Beechwood Road, Taffs Well
CF15 7RZ
1 Castle Road, Tongwynlais
CF15 7JQ
1 Church Lane, Nantgarw
CF15 7TQ
1 Anchor Street, Taffs Well
CF15 7RH
1 Cwm Gwynlais, Tongwynlais
CF15 7HU
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Michael`s Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







