Flat 4, 164 Marlborough Road, Cardiff, CF23 5BZ
About Flat 4
Flat 4 is a two-bedroom semi-detached house in Cardiff (CF23 5BZ). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1930-1949 and council tax band D. At 56 m² this is the 2nd smallest of 6 units on EPC record in the building, where floor areas span 53–93 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (April 2022) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since March 2012. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average.
At 56 m² it sits well below the postcode median (113 m² across 16 EPCs), making it one of the more compact homes locally. Across 2013–2020, sale prices on this property compounded at 2% per year. Today's modelled estimate of £219,000 is 26.6% above the 2020 sale price. Last sale on file: £173,000 in October 2020.
What this property has
Inside
- Bedrooms2
Energy performance
EPC Rating
Certificate validity
Valid until 5 April 2032
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£219,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 7 years.
£173,000
Growth on file: 2.0% per year over 7 years.
Sales timeline
8 October 2020Most recent
£173,000
+15.3%over 7 years21 August 2013
£150,000
Median price across the last 5 sales in CF23 5BZ: £480,000 (2026–2023).
Nearby sales in CF23 5BZ
150 Marlborough Road, Cardiff, CF23 5BZ
Sold Jan 2026
£480,000140a, Marlborough Road, Cardiff, CF23 5BZ
Sold Nov 2025
£235,000148 Marlborough Road, Cardiff, CF23 5BZ
Sold Sept 2025
£505,000156 Marlborough Road, Cardiff, CF23 5BZ
Sold Jan 2025
£415,000142 Marlborough Road, Cardiff, CF23 5BZ
Sold Jul 2023
£570,000
Versus other Marlborough Road homes
Habitable Rooms for Flat 4 runs comfortably ahead of the street norm.
Price per m²
£3,089
Street avg £5,672
Floor Area
56 m²
Street avg 63 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.2 t/year
Similar properties nearby
Boleyn Court, Flat 3, Boleyn Walk
CF23 5HT
Boleyn Court, Flat 1, Boleyn Walk
CF23 5HT
3 Lake View Apartments, Lady Mary Road
CF23 5NT
3 Park View Apartments, 74 Lake Road East
CF23 5NN
2 Lake View Apartments, Lady Mary Road
CF23 5NT
Charnwood Court, Flat 2, Maryport Road
CF23 5JY
Charnwood Court, Flat 3, Maryport Road
CF23 5JY
Charnwood Court, Flat 4, Maryport Road
CF23 5JY
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Timbers Square — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







