12a, St Fagans Drive, St Fagans, Cardiff, CF5 6EF
About 12a
12a is a detached house in St. Fagans, Cardiff, Cardiff (CF5 6EF). It has a recorded floor area of 183 m² (around 1970 sq ft), construction records dating it to 1976-1982 and council tax band H. The latest certificate (February 2025) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump.
One planning application is currently pending a decision in 2025. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
12a sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
An application for tree works is currently awaiting a decision.
1 application on record at 12a, St Fagans Drive, St Fagans, Cardiff, CF5 6EF
1 live now- Sept 2025Tree WorksTreesOutcome in report
Removal of overmature Conifer trees x1 Ash x1 Cedar North boundary of property Removal of small conifer hedge and Laurels South West boundary
- Documents
- 3 docs on file
- Reference
- 25/02153/WTCA
Unlock 12a, St Fagans Drive, St Fagans, Cardiff, CF5 6EF's full planning history
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- Every decision — granted, refused or withdrawn
- All 1 application on this property in full, plus 1 notable nearby
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£647,000
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 CF5 6EF: £660,000 (2025–2020).
Nearby sales in CF5 6EF
23 St Fagans Drive, St Fagans, Cardiff, CF5 6EF
Sold Mar 2025
£816,00045 St Fagans Drive, St Fagans, Cardiff, CF5 6EF
Sold Feb 2025
£605,00014 St Fagans Drive, St Fagans, Cardiff, CF5 6EF
Sold Sept 2024
£660,0008 St Fagans Drive, St Fagans, Cardiff, CF5 6EF
Sold Jun 2023
£875,0005 St Fagans Drive, St Fagans, Cardiff, CF5 6EF
Sold Apr 2020
£590,000
Versus other St Fagans Drive homes
On epc rating, 12a runs well behind the street norm.
EPC Rating
44 (E)
Street avg 67 (D)
Floor Area
183 m²
Street avg 213 m²
CO₂ Emissions
10.0 t/year
Street avg 7.3 t/year
Habitable Rooms
6 rooms
Street avg 8 rooms
Similar properties nearby
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The neighbourhood at a glance
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
ParkView — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







