17 Granville Avenue, Cardiff, CF5 1BW
About 17 Granville Avenue
17 Granville Avenue is an end-of-terrace house in Cardiff (CF5 1BW). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (May 2013) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. The latest certificate is from May 2013, so improvements made since then won't be reflected.
Across 1999–2013, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £407,000 sits 71.4% above the 2013 sale of £237,500. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion and an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Last sold in September 2013, so it's been off the market for around 13 years.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 16 May 2023
EPC Rating
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 17 Granville Avenue, Cardiff, CF5 1BW
- Dec 2013ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION AND HARDSTANDING
- Documents
- 12 docs on file
- Reference
- 13/02284/DCH
- More recent applications — locked
- Loft ConversionAug 2019Decision
Unlock 17 Granville Avenue, Cardiff, CF5 1BW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 18 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
17 Granville Avenue has more than doubled in price since the earliest registered sale in 1999.
£407,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 14 years.
£237,500
Growth on file: 6.2% per year over 14 years.
Sales timeline
12 September 2013Most recent
£237,500
+129.5%over 13 years14 December 1999
£103,500
Median price across the last 5 sales in CF5 1BW: £470,000 (2025–2016).
Nearby sales in CF5 1BW
Versus other Granville Avenue homes
On habitable rooms, 17 Granville Avenue runs well behind the street norm.
Price per m²
£2,399
Street avg £3,017
Floor Area
99 m²
Street avg 110 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
5.8 t/year
Street avg 4.9 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
The Insole — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







