5 Granville Avenue, Cardiff, CF5 1BW
About 5 Granville Avenue
5 Granville Avenue is a semi-detached house in Cardiff (CF5 1BW). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (September 2013) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since December 2008. Between certificates, lighting went from Very Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from September 2013, so improvements made since then won't be reflected.
Untraded for 17 years, with the last transfer in June 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2000–2009, sale prices on this property compounded at 7.9% per year. Today's modelled estimate of £434,000 sits 73.6% above the 2009 sale of £250,000. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).
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This certificate is over 10 years old and is no longer valid.Expired 29 Sept 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
5 Granville Avenue 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
5 Granville Avenue's estimated value is more than triple its earliest registered sale price (2000).
£434,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 9 years.
£250,000
Growth on file: 7.9% per year over 9 years.
Sales timeline
29 June 2009Most recent
£250,000
+96.1%over 8 years7 August 2000
£127,500
Median price across the last 5 sales in CF5 1BW: £470,000 (2025–2016).
Nearby sales in CF5 1BW
Versus other Granville Avenue homes
5 Granville Avenue is notably below the street on floor area.
Price per m²
£2,500
Street avg £3,009
Floor Area
100 m²
Street avg 110 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.3 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.







