18 St Margarets Court, Linnet Close, Cardiff, CF23 7HG
About 18 St Margarets Court
18 St Margarets Court is a semi-detached house in Cardiff (CF23 7HG). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1996-2002 and council tax band C. At 48 m² this is the smallest unit on EPC record across the building (48–58 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2019) shows a C (score 73). The rating has held steady at C across 2 certificates since November 2008. Between certificates, wall efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Average.
At 48 m² it's 17.2% smaller than the typical home in the postcode (58 m² median across 27 EPCs).
Everything you need to know about 18 St Margarets Court
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Energy performance
EPC Rating
Certificate validity
Valid until 14 February 2029
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation upgraded
More low energy lighting installed
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Planning history
18 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
18 St Margarets Court has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£139,000
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 CF23 7HG: £142,000 (2026–2025).
Nearby sales in CF23 7HG
12 St Patricks Court, Linnet Close, Cardiff, CF23 7HG
Sold May 2026
£295,00027 St Johns Court, Linnet Close, Cardiff, CF23 7HG
Sold Feb 2026
£142,00023 St Johns Court, Linnet Close, Cardiff, CF23 7HG
Sold Nov 2025
£140,00034 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold Sept 2025
£142,00032 St Christopher Court, Linnet Close, Cardiff, CF23 7HG
Sold May 2025
£145,000
Versus other Linnet Close homes
18 St Margarets Court is notably below the street on floor area.
EPC Rating
73 (C)
Street avg 67 (D)
Floor Area
48 m²
Street avg 72 m²
CO₂ Emissions
1.6 t/year
Street avg 2.9 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Everything you need to know about 18 St Margarets Court
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
169/mo
Falling 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.