Flat 4, 79 Marlborough Road, Cardiff, CF23 5BU
About Flat 4
Flat 4 is an end-of-terrace house in Cardiff (CF23 5BU). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2024) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2009); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 76). At 42 m² this is the 3rd smallest of 6 units on EPC record in the building, where floor areas span 32–47 m².
At 42 m² it sits well below the postcode median (129 m² across 17 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 4 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
Flat 4 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£160,000
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 CF23 5BU: £350,000 (2025–2013).
Nearby sales in CF23 5BU
Versus other Marlborough Road homes
EPC Rating
60 (D)
Street avg 61 (D)
Floor Area
42 m²
Street avg 48 m²
CO₂ Emissions
2.6 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Roath Court Place — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







