50b, Marlborough Road, Cardiff, CF23 5BX
About 50b
50b is a semi-detached house in Cardiff (CF23 5BX). It has a recorded floor area of 64 m² (around 689 sq ft) and construction records dating it to before 1900. The latest certificate (August 2018) shows an E (score 49), well below the UK norm with real room to improve. When first surveyed in November 2014 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Very Poor to Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 64 m² this is the 45th smallest of 72 units on EPC record in the building, where floor areas span 22–214 m². The building's EPC ratings span E to C, with this unit at the bottom.
It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs).
Everything you need to know about 50b
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
Certificate validity
Valid until 4 August 2028
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
50b 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
50b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£218,000
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 5BX: £210,000 (2022–2020).
Nearby sales in CF23 5BX
50 Marlborough Road, Cardiff, CF23 5BX
Sold Mar 2022
£380,00042 Marlborough Road, Cardiff, CF23 5BX
Sold Oct 2021
£10,53042a, Marlborough Road, Cardiff, CF23 5BX
Sold Mar 2021
£215,000Flat 1, 6 Marlborough Road, Cardiff, CF23 5BX
Sold Dec 2020
£210,00042b, Marlborough Road, Cardiff, CF23 5BX
Sold Sept 2020
£199,950
Versus other Marlborough Road homes
On habitable rooms, 50b stands well clear of the street.
EPC Rating
49 (E)
Street avg 63 (D)
Floor Area
64 m²
Street avg 51 m²
CO₂ Emissions
4.1 t/year
Street avg 2.4 t/year
Habitable Rooms
4 rooms
Street avg 2 rooms
Everything you need to know about 50b
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
169/mo
Falling 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.