Flat 1, 52 Marlborough Road, Cardiff, CF23 5BX
About Flat 1
Flat 1 is an end-of-terrace house in Cardiff (CF23 5BX). It has a recorded floor area of 35 m² (around 377 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2021) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Poor to Good; while hot-water efficiency dropped from Good to Very Poor. The recommended improvements would push it to C (score 71). At 35 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 29–39 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 71).
At 35 m² it sits well below the postcode median (59 m² across 71 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Windows upgraded, improving insulation
Wall insulation 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 1 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 1 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£170,000
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 floor area, Flat 1 runs well behind the street norm.
EPC Rating
60 (D)
Street avg 63 (D)
Floor Area
35 m²
Street avg 51 m²
CO₂ Emissions
2.0 t/year
Street avg 2.4 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
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.







