Marlborough House, Flat 14, Westgate Street, Cardiff, CF10 1DE
About Marlborough House
Marlborough House is an end-of-terrace house in Cardiff (CF10 1DE). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band F. At 72 m² this is the 9th smallest of 15 units on EPC record in Marlborough House, where floor areas span 26–90 m². The building's EPC ratings span G to C across 15 units on file. The latest certificate (September 2015) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). The latest certificate is from September 2015, so improvements made since then won't be reflected.
Across 2015–2020, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £214,000 is 23.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£224/sq ft) was about 28.7% above the typical sold price in the postcode. Most recent transfer: September 2020 at £173,500.
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 Sept 2025
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 saw 3 transfers in just over a decade — high turnover for the postcode.
£214,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 5 years.
£173,500
Growth on file: 3.7% per year over 5 years.
Sales timeline
29 September 2020Most recent
£173,500
10 November 2016
£174,000
+20.0%over 1 year15 October 2015
£145,000
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 6, Westgate Street, Cardiff, CF10 1DE
Sold Feb 2020
£137,000
Versus other Westgate Street homes
Price per m²
£2,410
Street avg £2,070
Floor Area
72 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 t/year
Street avg 3.3 t/year
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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.







