17a, Marlborough Road, Cardiff, CF23 5BT
About 17a
17a is an end-of-terrace house in Cardiff (CF23 5BT). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (July 2020) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would push it to C (score 73). At 58 m² this is the 38th smallest of 52 units on EPC record in the building, where floor areas span 22–235 m². The building's EPC ratings span E to C across 52 units on file.
At 58 m² the property is well over the postcode median (36 m² across 51 EPCs), placing it in the larger end of the local stock.
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
17a 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
17a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£182,000
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 5BT: £485,000 (2024–2017).
Nearby sales in CF23 5BT
Versus other Marlborough Road homes
On habitable rooms, 17a stands well clear of the street.
EPC Rating
61 (D)
Street avg 65 (D)
Floor Area
58 m²
Street avg 45 m²
CO₂ Emissions
3.0 t/year
Street avg 2.5 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 17a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
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
Marlborough Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.