16 Castle Close, Creigiau, Cardiff, CF15 9NJ
About 16 Castle Close
16 Castle Close is a semi-detached house in Creigiau, Cardiff, Cardiff (CF15 9NJ). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1950-1966 and council tax band B. At 63 m² this is the 3rd smallest of 15 units on EPC record in the building, where floor areas span 58–152 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2018) shows a C (score 75), near the top of the C band. When first surveyed in October 2010 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, hot-water efficiency went from Average to Very Good and lighting went from Very Poor to Poor.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Cavity wall insulation installed
Roof insulation improved
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Planning history
16 Castle Close 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
16 Castle Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£172,000
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 CF15 9NJ: £270,000 (2025–2021).
Nearby sales in CF15 9NJ
9 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold Jan 2025
£338,50015 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold Nov 2022
£422,5008 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold Oct 2021
£195,0007 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold Jun 2021
£225,0001 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold May 2021
£270,000
Versus other Castle Close homes
16 Castle Close outperforms the street on epc rating by a wide margin.
EPC Rating
75 (C)
Street avg 72 (C)
Floor Area
63 m²
Street avg 63 m²
CO₂ Emissions
1.9 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Creigiau Inn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







