Windsor House, Flat 14, 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 81 m² (around 872 sq ft), construction records dating it to 1930-1949 and council tax band E. At 81 m² this is the largest unit on EPC record across Windsor House (23–81 m²). The building's EPC ratings span E to C across 18 units on file. The latest certificate (October 2023) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2013. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 74).
At 81 m² the property is well over the postcode median (56 m² across 17 EPCs), placing it in the larger end of the local stock. Across 1997–2020, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £237,000 is 28.1% above the 2020 sale price. Most recent transfer: March 2020 at £185,000.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
More low energy lighting installed
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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 more than doubled in price since the earliest registered sale in 1997.
£237,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.6% per year over 22 years.
£185,000
Growth on file: 4.6% per year over 22 years.
Sales timeline
6 March 2020Most recent
£185,000
+23.3%over 6 years29 November 2013
£150,000
+123.9%over 16 years1 October 1997
£67,000
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
Windsor House outperforms the street on floor area by a wide margin.
Price per m²
£2,284
Street avg £2,350
Floor Area
81 m²
Street avg 52 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
3.2 t/year
Street avg 2.3 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
0.0 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.







