11 Castle Close, Creigiau, Cardiff, CF15 9NJ
About 11 Castle Close
11 Castle Close is a three-bedroom mid-terrace 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 C. The latest certificate (January 2024) shows a C (score 69), just inside the C band. When first surveyed in January 2011 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Average to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would push it to B (score 88).
It hasn't traded since September 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £250,000 sits 242.5% above the 1999 sale of £73,000. On a £-per-square-foot basis, the last sale (£108/sq ft) was about 39.5% below the postcode norm.
What this property has
Inside
- Bedrooms3
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
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Planning history
11 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
11 Castle Close's estimated value is more than triple its earliest registered sale price (1999).
£250,000
Modelled from EPC, postcode comparables.
£73,000
Recorded with HM Land Registry.
Sales timeline
23 September 1999Most recent
£73,000
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
11 Castle Close is notably below the street on price per m².
Price per m²
£1,159
Street avg £2,775
Floor Area
63 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.6 t/year
Street avg 3.7 t/year
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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.







