41 Duffryn Avenue, Cardiff, CF23 6LE
About 41 Duffryn Avenue
41 Duffryn Avenue is a five-bedroom detached house in Cardiff (CF23 6LE). It has a recorded floor area of 286 m² (around 3078 sq ft), construction records dating it to 1930-1949 and council tax band H. The latest certificate (September 2019) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72).
At 286 m² the property is well over the postcode median (102 m² across 6 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include a garage conversion and an extension, meaningful when judging how the property has evolved. Across 2002–2022, sale prices on this property compounded at 5% per year. Today's modelled estimate of £807,000 is 32.3% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 39.6% below the postcode norm. Sold October 2022 for £610,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms5
- Bathrooms4
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- GarageYes
Energy performance
41 Duffryn Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
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Planning history
41 Duffryn Avenue has an approved extension on the planning record.
4 applications on record at 41 Duffryn Avenue, Cardiff, CF23 6LE
- Mar 2009ExtensionFullOutcome in report
SINGLE STOREY SIDE AND FRONT EXTENSION WITH FIRST FLOOR SIDE AND FRONT EXTENSION
- Documents
- 9 docs on file
- Reference
- 08/02787/E
- More recent applications — locked
- Garage ConversionDec 2010Decision
- RenovationSept 2010Decision
+ 1 more application in the report
Unlock 41 Duffryn Avenue, Cardiff, CF23 6LE's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 1 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 41 Duffryn Avenue was the highest on Land Registry record across the postcode.
£807,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 20 years.
£610,000
Growth on file: 5.0% per year over 20 years.
Sales timeline
6 October 2022Most recent
£610,000
+171.1%over 20 years29 April 2002
£225,000
Median price across the last 5 sales in CF23 6LE: £365,000 (2023–2016).
Nearby sales in CF23 6LE
Versus other Duffryn Avenue homes
Price per m² for 41 Duffryn Avenue lags the street by a wide margin.
Price per m²
£2,133
Street avg £3,542
Floor Area
286 m²
Street avg 115 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
9.1 t/year
Street avg 5.4 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Duffryn Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







