7 Castle Close, Creigiau, Cardiff, CF15 9NJ
About 7 Castle Close
7 Castle Close is a three-bedroom end-of-terrace house in Creigiau, Cardiff, Cardiff (CF15 9NJ). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (November 2014) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. The latest certificate is from November 2014, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2021, sale prices on this property compounded at 1% per year. Today's modelled estimate of £307,000 is 36.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£286/sq ft) was about 125.2% above the typical sold price in the postcode. Most recent transfer: June 2021 at £225,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenYes
Building
- Extension potentialPossible
Energy performance
7 Castle Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Nov 2024
EPC Rating
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Planning history
7 Castle Close has 2 separate extension applications on the council record.
2 applications on record at 7 Castle Close, Creigiau, Cardiff, CF15 9NJ
- May 2013ExtensionFullOutcome in report
Extension: Rear of property
TWO AND SINGLE STOREY REAR EXTENSION
- Documents
- 9 docs on file
- Reference
- 13/00387/DCH
- More recent applications — locked
- ExtensionMay 2019Decision
Unlock 7 Castle Close, Creigiau, Cardiff, CF15 9NJ's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
7 Castle Close's sale-price growth has lagged the wider UK trajectory across its history on file.
£307,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.0% per year over 15 years.
£225,000
Growth on file: 1.0% per year over 15 years.
Sales timeline
14 June 2021Most recent
£225,000
+16.0%over 14 years8 December 2006
£194,000
Median price across the last 5 sales in CF15 9NJ: £270,000 (2025–2008).
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
£195,0001 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold May 2021
£270,0006 Castle Close, Creigiau, Cardiff, CF15 9NJ
Sold May 2008
£160,000
Versus other Castle Close homes
7 Castle Close is notably below the street on epc rating.
Price per m²
£3,082
Street avg £2,390
Floor Area
73 m²
Street avg 106 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.3 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.







