19a, Blaenclydach Street, Cardiff, CF11 7BB
About 19a
19a is an end-of-terrace house in Cardiff (CF11 7BB). It has a recorded floor area of 32 m² (around 344 sq ft), construction records dating it to 1900-1929 and council tax band B. At 32 m² this is the 2nd smallest of 25 units on EPC record in the building, where floor areas span 22–180 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 77). The latest certificate (February 2021) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 6 certificates since May 2014. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. Main heating runs on electricity.
At 32 m² it sits well below the postcode median (119 m² across 24 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Low energy lighting percentage decreased
Hot water system changed
Wall insulation improved
Hot water system upgraded
Roof insulation improved
More low energy lighting installed
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
19a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
19a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£119,000
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 CF11 7BB: £265,000 (2025–2024).
Nearby sales in CF11 7BB
16 Blaenclydach Street, Cardiff, CF11 7BB
Sold Sept 2025
£410,00020 Blaenclydach Street, Cardiff, CF11 7BB
Sold Aug 2025
£265,0008 Blaenclydach Street, Cardiff, CF11 7BB
Sold Sept 2024
£161,50013 Blaenclydach Street, Cardiff, CF11 7BB
Sold Jun 2024
£350,0006 Blaenclydach Street, Cardiff, CF11 7BB
Sold Aug 2019
£217,500
Versus other Blaenclydach Street homes
19a is notably below the street on epc rating.
EPC Rating
39 (E)
Street avg 56 (D)
Floor Area
32 m²
Street avg 50 m²
CO₂ Emissions
3.4 t/year
Street avg 3.1 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blaenclydach Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







