25 Greenfield Avenue, Canton, Cardiff, CF11 9PT
About 25 Greenfield Avenue
25 Greenfield Avenue is a four-bedroom end-of-terrace house in Canton, Cardiff, Cardiff (CF11 9PT). It has a recorded floor area of 140 m² (around 1507 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (March 2023) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in September 2021 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and window efficiency went from Average to Good. The recommended improvements would lift it to B (score 87), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
At 140 m² the property is well over the postcode median (39 m² across 18 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2022. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Today's modelled estimate of £540,000 is 20% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£299/sq ft) was about 32.3% above the typical sold price in the postcode. Last sale on file: £450,000 in February 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Building
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 7 March 2033
Property Improvements
Changes detected from historical EPC data
Windows upgraded to triple glazing
Loft insulation upgraded to recommended levels
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 25 Greenfield Avenue, Canton, Cardiff, CF11 9PT
- Oct 2022DemolitionFullOutcome in report
Extension: Single storey · Side of property
SINGLE STOREY SIDE EXTENSION, ASSOCIATED ALTERATIONS AND DEMOLITION OF OUTBUILDINGS
Extension- Documents
- 7 docs on file
- Reference
- 22/01486/DCH
Unlock 25 Greenfield Avenue, Canton, Cardiff, CF11 9PT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£540,000
Modelled from EPC, postcode comparables.
£450,000
Recorded with HM Land Registry.
Sales timeline
17 February 2022Most recent
£450,000
Median price across the last 5 sales in CF11 9PT: £145,000 (2026–2021).
Nearby sales in CF11 9PT
21 Greenfield Avenue, Canton, Cardiff, CF11 9PT
Sold Feb 2026
£530,00039 Greenfield Avenue, Canton, Cardiff, CF11 9PT
Sold Aug 2024
£145,00038 Greenfield Avenue, Canton, Cardiff, CF11 9PT
Sold Jun 2022
£127,50036 Greenfield Avenue, Canton, Cardiff, CF11 9PT
Sold May 2022
£107,50010 Greenfield Avenue, Canton, Cardiff, CF11 9PT
Sold Aug 2021
£490,000
Versus other Greenfield Avenue homes
25 Greenfield Avenue outperforms the street on price per m² by a wide margin.
Price per m²
£3,214
Street avg £2,831
Floor Area
140 m²
Street avg 131 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
5.1 t/year
Street avg 8.0 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Romilly Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







