Marlborough House, Flat 14a, Westgate Street, Cardiff, CF10 1DE
About Marlborough House
Marlborough House is a detached house in Cardiff (CF10 1DE). It has a recorded floor area of 90 m² (around 966 sq ft), construction records dating it to 1967-1975 and council tax band F. At 90 m² this is the largest unit on EPC record across Marlborough House (26–90 m²). The building's EPC ratings span G to C across 15 units on file. The latest certificate (September 2009) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from September 2009, so improvements made since then won't be reflected.
At 90 m² the property is well over the postcode median (69 m² across 14 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs).
Energy performance
Marlborough House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Sept 2019
EPC Rating
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Planning history
Marlborough House has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
Marlborough House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£201,000
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 CF10 1DE: £200,000 (2024–2021).
Nearby sales in CF10 1DE
Marlborough House, Flat 4, Westgate Street, Cardiff, CF10 1DE
Sold Oct 2024
£200,000Marlborough House, Flat 7, Westgate Street, Cardiff, CF10 1DE
Sold Oct 2024
£85,724Marlborough House, Flat 8, Westgate Street, Cardiff, CF10 1DE
Sold Sept 2022
£200,000Marlborough House, Flat 3, Westgate Street, Cardiff, CF10 1DE
Sold Sept 2021
£177,500Marlborough House, Flat 14, Westgate Street, Cardiff, CF10 1DE
Sold Sept 2020
£173,500
Versus other Westgate Street homes
Floor Area for Marlborough House runs comfortably ahead of the street norm.
EPC Rating
51 (E)
Street avg 61 (D)
Floor Area
90 m²
Street avg 65 m²
CO₂ Emissions
3.9 t/year
Street avg 3.2 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Westgate Street KP — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







