Marlborough House, Flat 1, 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 76 m² (around 818 sq ft), construction records dating it to 1930-1949 and council tax band E. At 76 m² this is the 12th 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, with this unit at the top. The latest certificate (September 2023) shows a C (score 71). When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Poor.
Across 2000–2017, sale prices on this property compounded at 3.4% per year. Today's modelled estimate of £210,000 sits 50% above the 2017 sale of £140,000. One planning record on file: new windows approved in 2018. Past consents include new windows, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Last sold in June 2017, so it's been off the market for around 9 years.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
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Planning history
1 application on record at Marlborough House, Flat 1, Westgate Street, Cardiff, CF10 1DE
- Aug 2018RenovationFullOutcome in report
CONSTRUCT NEW REDWOOD SASH WINDOWS TO REPLICATE ORIGINAL DESIGN
New Windows- Documents
- 22 docs on file
- Reference
- 18/01342/DCH
Unlock Marlborough House, Flat 1, Westgate Street, Cardiff, CF10 1DE's full planning history
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Sales history & valuation
Marlborough House valuation sits well clear of the typical sold price in this postcode.
£210,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 17 years.
£140,000
Growth on file: 3.4% per year over 17 years.
Sales timeline
22 June 2017Most recent
£140,000
+75.0%over 16 years21 September 2000
£80,000
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 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.
Price per m²
£1,842
Street avg £2,127
Floor Area
76 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 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.







