55 Marlborough Road, Cardiff, CF23 5BU
About 55 Marlborough Road
55 Marlborough Road is a mid-terrace house in Cardiff (CF23 5BU). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (July 2022) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in May 2021 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Today's modelled estimate of £447,000 is 37.5% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 97.6% above the typical sold price in the postcode. Most recent transfer: June 2021 at £325,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 55 Marlborough Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Glazing upgraded to newer, more efficient type
Roof insulation improved
Low energy lighting percentage decreased
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Planning history
55 Marlborough 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£447,000
Modelled from EPC, postcode comparables.
£325,000
Recorded with HM Land Registry.
Sales timeline
20 June 2021Most recent
£325,000
Median price across the last 5 sales in CF23 5BU: £350,000 (2025–2011).
Nearby sales in CF23 5BU
Versus other Marlborough Road homes
On floor area, 55 Marlborough Road runs well behind the street norm.
Price per m²
£2,955
Street avg £1,809
Floor Area
110 m²
Street avg 152 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
3.5 t/year
Street avg 6.3 t/year
Everything you need to know about 55 Marlborough Road
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
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.