21 St Margarets Court, Linnet Close, Cardiff, CF23 7HG
About 21 St Margarets Court
21 St Margarets Court is a two-bedroom semi-detached house in Cardiff (CF23 7HG). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2019) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and main heating went from Average to Good; while lighting dropped from Good to Poor. The recommended improvements would push it to C (score 76). At 56 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 48–58 m². The building's EPC ratings span E to C across 5 units on file. Other recorded features include a balcony.
Across 2001–2018, sale prices on this property compounded at 3% per year. Today's modelled estimate of £143,000 sits 52.1% above the 2018 sale of £94,000. On the market in January 2018 and unlisted since — roughly 8 years.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- Communal gardenYes
- GarageYes
- BalconyYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
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Planning history
21 St Margarets Court 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
£143,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 16 years.
£94,000
Growth on file: 3.0% per year over 16 years.
Sales timeline
26 January 2018Most recent
£94,000
+60.7%over 16 years2 November 2001
£58,500
Median price across the last 5 sales in CF23 7HG: £142,000 (2025–2023).
Nearby sales in CF23 7HG
34 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold Sept 2025
£142,00032 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold May 2025
£145,00024 St Johns Court, Linnet Close, Cardiff, CF23 7HG
Sold Mar 2025
£145,00031 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold Nov 2024
£137,00033 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold Aug 2023
£136,500
Versus other Linnet Close homes
Price per m²
£1,679
Street avg £2,067
Floor Area
56 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 2.9 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
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Glyncoed School — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







