Windsor House, Flat 5, 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 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2022) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 81), a 2-band jump. At 72 m² this is the 17th 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 across 18 units on file.
At 72 m² it's 28.6% larger than the typical home in the postcode (56 m² median across 17 EPCs). Across 2008–2023, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £226,000 is 14.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£255/sq ft) was about 31.6% above the typical sold price in the postcode. Most recent transfer: March 2023 at £197,291.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Wall insulation improved
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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's sale-price growth has lagged the wider UK trajectory across its history on file.
£226,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 15 years.
£197,291
Growth on file: 1.4% per year over 15 years.
Sales timeline
21 March 2023Most recent
£197,291
+23.3%over 14 years3 June 2008
£160,000
Median price across the last 5 sales in CF10 1DG: £165,600 (2023–2020).
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 9, Westgate Street, Cardiff, CF10 1DG
Sold Aug 2022
£179,950Windsor House, Flat 1, Westgate Street, Cardiff, CF10 1DG
Sold Jun 2020
£115,000
Versus other Westgate Street homes
On floor area, Windsor House stands well clear of the street.
Price per m²
£2,740
Street avg £2,317
Floor Area
72 m²
Street avg 52 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.4 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.







