27 Grafton Close, Penylan, Cardiff, CF23 9JA
About 27 Grafton Close
27 Grafton Close is a semi-detached house in Penylan, Cardiff, Cardiff (CF23 9JA). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (January 2014) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 74). The latest certificate is from January 2014, so improvements made since then won't be reflected.
Held since September 2003 — that's 23 years off the open market, well above the local norm. Across 1996–2003, sale prices on this property compounded at 13% per year. Today's modelled estimate of £278,000 sits 97.2% above the 2003 sale of £141,000. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 19.7% below the postcode norm.
Energy performance
27 Grafton Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 15 Jan 2024
EPC Rating
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Planning history
27 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
27 Grafton Close has more than doubled in price since the earliest registered sale in 1996.
£278,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.0% per year over 8 years.
£141,000
Growth on file: 13.0% per year over 8 years.
Sales timeline
18 September 2003Most recent
£141,000
+151.8%over 7 years23 February 1996
£56,000
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
Years Held for 27 Grafton Close runs comfortably ahead of the street norm.
Price per m²
£1,741
Street avg £3,125
Floor Area
81 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.7 t/year
Similar properties nearby
1 Grafton Close, Penylan
CF23 9JA
1 Howardian Close, Penylan
CF23 9AG
1 Ffordd Nowell, Penylan
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1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Kingwood Close, Penylan
CF23 9HE
1 Doe Close, Penylan
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1 Firstbrook Close
CF23 9ER
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.







