35 Grafton Close, Penylan, Cardiff, CF23 9JA
About 35 Grafton Close
35 Grafton Close is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9JA). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2025) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
35 Grafton Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
35 Grafton Close 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
35 Grafton Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£254,000
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 9JA: £270,000 (2025–2021).
Nearby sales in CF23 9JA
21 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Aug 2025
£250,0003 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Mar 2024
£200,0007 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Mar 2023
£420,00013 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Feb 2023
£270,00017 Grafton Close, Penylan, Cardiff, CF23 9JA
Sold Oct 2017
£130,000
Versus other Grafton Close homes
On co₂ emissions, 35 Grafton Close runs well behind the street norm.
EPC Rating
54 (E)
Street avg 64 (D)
Floor Area
85 m²
Street avg 91 m²
CO₂ Emissions
4.7 t/year
Street avg 3.7 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Howardian Close, Penylan
CF23 9AG
1 Grafton Close, Penylan
CF23 9JA
1 Ffordd Nowell, Penylan
CF23 9FA
1 Kingwood Close, Penylan
CF23 9HE
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Doe Close, Penylan
CF23 9HJ
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Grafton Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







