Windsor House, Flat 19, Westgate Street, Cardiff, CF10 1DG
About Windsor House
Windsor House is a mid-terrace house in Cardiff (CF10 1DG). It has a recorded floor area of 31 m² (around 334 sq ft), construction records dating it to 1930-1949 and council tax band C. At 31 m² this is the 3rd smallest of 18 units on EPC record in Windsor House, where floor areas span 23–81 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 78). The latest certificate (November 2019) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to D (score 57).
At 31 m² it sits well below the postcode median (56 m² across 17 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
Windsor House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Windsor 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
Windsor House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£129,000
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 1DG: £179,950 (2023–2022).
Nearby sales in CF10 1DG
Windsor House, Flat 3, Westgate Street, Cardiff, CF10 1DG
Sold Nov 2023
£140,000Windsor House, Flat 2, Westgate Street, Cardiff, CF10 1DG
Sold Sept 2023
£165,600Windsor House, Flat 11, Westgate Street, Cardiff, CF10 1DG
Sold Jun 2023
£205,000Windsor House, Flat 5, Westgate Street, Cardiff, CF10 1DG
Sold Mar 2023
£197,291Windsor House, Flat 9, Westgate Street, Cardiff, CF10 1DG
Sold Aug 2022
£179,950
Versus other Westgate Street homes
EPC Rating for Windsor House lags the street by a wide margin.
EPC Rating
53 (E)
Street avg 66 (D)
Floor Area
31 m²
Street avg 55 m²
CO₂ Emissions
2.9 t/year
Street avg 2.4 t/year
Habitable Rooms
1 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
0.0 km
Westgate Street KD — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







