33 Grafton Close, Penylan, Cardiff, CF23 9JA
About 33 Grafton Close
33 Grafton Close is a three-bedroom semi-detached house in Penylan, Cardiff, Cardiff (CF23 9JA). It has a recorded floor area of 33 m² (around 353 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (February 2012) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 59). The latest certificate is from February 2012, so improvements made since then won't be reflected.
At 33 m² it sits well below the postcode median (93 m² across 11 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £277,000 sits 73.1% above the 2012 sale of £160,000. On a £-per-square-foot basis, the last sale (£453/sq ft) was about 150.9% above the typical sold price in the postcode. Last changed hands 14 years ago, in September 2012.
What this property has
Inside
- Bedrooms3
Energy performance
33 Grafton 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This certificate is over 10 years old and is no longer valid.Expired 20 Feb 2022
EPC Rating
Certificate validity
Expired on 20 February 2022
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Planning history
33 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
33 Grafton Close valuation sits well clear of the typical sold price in this postcode.
£277,000
Modelled from EPC, postcode comparables.
£160,000
Recorded with HM Land Registry.
Sales timeline
6 September 2012Most recent
£160,000
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
Price per m² for 33 Grafton Close runs comfortably ahead of the street norm.
Price per m²
£4,878
Street avg £2,602
Floor Area
33 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Kingwood Close, Penylan
CF23 9HE
1 Firstbrook Close
CF23 9ER
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Hugon Close
CF23 9BY
1 Earl S Court Road, Penylan
CF23 9DD
1 Grafton Close, Penylan
CF23 9JA
1 Howardian Close, Penylan
CF23 9AG
1 Eastside Quarter, Maelfa, Llanedeyrn
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The neighbourhood at a glance
Crime
169/mo
Falling 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.







