12 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
About 12 Pennsylvania
12 Pennsylvania is a mid-terrace house in Llanedeyrn, Cardiff, Cardiff (CF23 9LP). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (September 2013) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
12 Pennsylvania 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This certificate is over 10 years old and is no longer valid.Expired 25 Sept 2023
EPC Rating
Certificate validity
Expired on 25 September 2023
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Planning history
12 Pennsylvania has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Pennsylvania has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£184,000
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 9LP: £170,000 (2025–2022).
Nearby sales in CF23 9LP
75 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
Sold Aug 2025
£222,50069 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
Sold Mar 2025
£225,0009 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
Sold Dec 2024
£165,00010 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
Sold Aug 2022
£170,00070 Pennsylvania, Llanedeyrn, Cardiff, CF23 9LP
Sold Mar 2022
£170,000
Versus other Pennsylvania homes
12 Pennsylvania is notably below the street on epc rating.
EPC Rating
50 (E)
Street avg 67 (D)
Floor Area
85 m²
Street avg 86 m²
CO₂ Emissions
5.0 t/year
Street avg 3.3 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Jefferson Court, Pennsylvania, Llanedeyrn
CF23 9LX
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Awel Mor, Llanedeyrn
CF23 9QA
1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Chapel Wood, Llanedeyrn
CF23 9EE
1 Coed Y Gores, Llanedeyrn
CF23 9ND
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Howardian Close, Penylan
CF23 9AG
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Maelfa — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







