Windsor House, Flat 7, Westgate Street, Cardiff, CF10 1DG
About Windsor House
Windsor House is a one-bedroom semi-detached house in Cardiff (CF10 1DG). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1930-1949 and council tax band C. At 45 m² this is the 8th 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 top. The latest certificate (June 2024) shows a C (score 69), just inside the C band. When first surveyed in June 2014 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Average.
At 45 m² it's 19.6% smaller than the typical home in the postcode (56 m² median across 17 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). Last sold in March 2016, so it's been off the market for around 10 years. Across 2000–2016, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £134,000 is 48.9% above the 2016 sale price.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
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
£134,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 16 years.
£90,000
Growth on file: 2.8% per year over 16 years.
Sales timeline
21 March 2016Most recent
£90,000
+5.3%over 15 years6 March 2001
£85,500
+47.4%over 10 months27 April 2000
£58,000
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 is notably below the street on price per m².
Price per m²
£2,000
Street avg £2,370
Floor Area
45 m²
Street avg 54 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 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.







