42 Marlborough Road, Cardiff, CF23 5BX
About 42 Marlborough Road
42 Marlborough Road is an end-of-terrace house in Cardiff (CF23 5BX). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band C. At 75 m² this is the 60th 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 top. The latest certificate (July 2020) shows a C (score 69), just inside the C band. When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average.
Across 2004–2021, sale prices on this property compounded at -16.7% per year. Today's modelled estimate of £312,000 sits 2863% above the 2021 sale of £10,530. On a £-per-square-foot basis, the last sale (£13/sq ft) was about 91.6% below the postcode norm. At 75 m² it's 27.1% larger than the typical home in the postcode (59 m² median across 71 EPCs). Sold October 2021 for £10,530. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
More low energy lighting installed
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 £955 · Includes VAT
Planning history
42 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
42 Marlborough Road's sale-price growth has lagged the wider UK trajectory across its history on file.
£312,000
Modelled from EPC, postcode comparables and a sale-price growth of -16.7% per year over 18 years.
£10,530
Growth on file: -16.7% per year over 18 years.
Sales timeline
21 October 2021Most recent
£10,530
-96.0%over 17 years30 March 2004
£260,000
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
£380,00042a, 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
£199,95042c, Marlborough Road, Cardiff, CF23 5BX
Sold Sept 2020
£185,000
Versus other Marlborough Road homes
Price per m² for 42 Marlborough Road lags the street by a wide margin.
Price per m²
£140
Street avg £3,292
Floor Area
75 m²
Street avg 51 m²
Habitable Rooms
3 rooms
Street avg 2 rooms
CO₂ Emissions
2.8 t/year
Street avg 2.4 t/year
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.







