21 Brynau Road, Taffs Well, Cardiff, CF15 7SA
About 21 Brynau Road
21 Brynau Road is a semi-detached house in Taffs Well, Cardiff, Cardiff (CF15 7SA). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (March 2024) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2013. Between certificates, window efficiency went from Poor to Average; while wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 83), a 2-band jump.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Low energy lighting percentage decreased
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Planning history
21 Brynau Road 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
21 Brynau Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£315,000
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 7SA: £240,000 (2024–2020).
Nearby sales in CF15 7SA
32 Brynau Road, Taffs Well, Cardiff, CF15 7SA
Sold Oct 2024
£395,0004 Brynau Road, Taffs Well, Cardiff, CF15 7SA
Sold Mar 2024
£240,00012 Brynau Road, Taffs Well, Cardiff, CF15 7SA
Sold Mar 2023
£224,0005 Brynau Road, Taffs Well, Cardiff, CF15 7SA
Sold Apr 2021
£225,00013 Brynau Road, Taffs Well, Cardiff, CF15 7SA
Sold Sept 2020
£275,000
Versus other Brynau Road homes
EPC Rating
66 (D)
Street avg 61 (D)
Floor Area
98 m²
Street avg 96 m²
CO₂ Emissions
3.9 t/year
Street avg 4.5 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Similar properties nearby
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1 Cwm Gwynlais, Tongwynlais
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1 Beechwood Road, Taffs Well
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Brynau Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







