3 Bishops Avenue, Llandaff, Cardiff, CF5 2HJ
About 3 Bishops Avenue
3 Bishops Avenue is a detached house in Llandaff, Cardiff, Cardiff (CF5 2HJ). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (August 2024) shows a D (score 57), a step below the typical UK home. When first surveyed in July 2012 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
Most recent transfer was August 2025 at £410,000 — fresh data. One planning record on file: an extension approved in 2026. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £478,000 is 16.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 41.3% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 27 August 2034
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
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Planning history
3 Bishops Avenue has an approved single-storey rear extension on the planning record.
1 application on record at 3 Bishops Avenue, Llandaff, Cardiff, CF5 2HJ
- Apr 2026ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Replace existing single storey rear extension with new single storey rear extension.
- Documents
- 11 docs on file
- Reference
- 26/00339/HSE
Unlock 3 Bishops Avenue, Llandaff, Cardiff, CF5 2HJ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
3 Bishops Avenue valuation sits well clear of the typical sold price in this postcode.
£478,000
Modelled from EPC, postcode comparables.
£410,000
Recorded with HM Land Registry.
Sales timeline
20 August 2025Most recent
£410,000
Median price across the last 5 sales in CF5 2HJ: £290,000 (2008–1997).
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Llandaff Chase — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







