140b, Marlborough Road, Cardiff, CF23 5BZ
About 140b
140b is a two-bedroom end-of-terrace house in Cardiff (CF23 5BZ). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to 1900-1929. At 58 m² this is the 3rd smallest of 17 units on EPC record in the building, where floor areas span 53–161 m². The building's EPC ratings span E to C across 17 units on file. Other recorded features include a balcony. The latest certificate (December 2019) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 76).
It hasn't traded since August 2004, a hold of 22 years that's notably long for the area. Across 1999–2004, sale prices on this property compounded at 15.6% per year. Today's modelled estimate of £212,000 sits 59.4% above the 2004 sale of £133,000. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 19.1% below the postcode norm. At 58 m² it sits well below the postcode median (113 m² across 16 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- GarageYes
- BalconyYes
Energy performance
EPC Rating
Certificate validity
Valid until 9 December 2029
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 £885 · Includes VAT
Planning history
140b 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
140b has more than doubled in price since the earliest registered sale in 1999.
£212,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.6% per year over 5 years.
£133,000
Growth on file: 15.6% per year over 5 years.
Sales timeline
19 August 2004Most recent
£133,000
+103.1%over 4 years3 October 1999
£65,500
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
Price per m² for 140b lags the street by a wide margin.
Price per m²
£2,293
Street avg £5,871
Floor Area
58 m²
Street avg 63 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.6 t/year
Street avg 2.1 t/year
Similar properties nearby
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.







