27 Duffryn Avenue, Cardiff, CF23 6LE
About 27 Duffryn Avenue
27 Duffryn Avenue is a four-bedroom detached house in Cardiff (CF23 6LE). It has a recorded floor area of 185 m² (around 1991 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (November 2018) shows a C (score 74). When first surveyed in September 2015 the rating was E, the property has climbed 2 bands since. The recommended improvements would push it to B (score 83).
At 185 m² the property is well over the postcode median (106 m² across 7 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 86% of similar EPCs). 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 2016–2019, sale prices on this property compounded at 16.8% per year. Today's modelled estimate of £742,000 is 26.8% above the 2019 sale price. Last sale on file: £585,000 in July 2019.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 29 November 2028
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
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Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
2 applications on record at 27 Duffryn Avenue, Cardiff, CF23 6LE
- Jul 2016ExtensionFullOutcome in report
Extension: Two storey · Side of property
DEMOLITION OF SINGLE STOREY GARAGE, CONSTRUCTION OF TWO STOREY SIDE EXTENSION AND TWO STOREY REAR EXTENSION AND LOFT EXTENSION
- Documents
- 13 docs on file
- Reference
- 16/00950/DCH
- More recent applications — locked
- DemolitionSept 2016Decision
Unlock 27 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
27 Duffryn Avenue valuation sits well clear of the typical sold price in this postcode.
£742,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.8% per year over 3 years.
£585,000
Growth on file: 16.8% per year over 3 years.
Sales timeline
1 July 2019Most recent
£585,000
+67.1%over 3 years10 March 2016
£350,000
Median price across the last 5 sales in CF23 6LE: £365,000 (2023–2016).
Nearby sales in CF23 6LE
Versus other Duffryn Avenue homes
27 Duffryn Avenue outperforms the street on epc rating by a wide margin.
Price per m²
£3,162
Street avg £2,989
Floor Area
185 m²
Street avg 134 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
4.8 t/year
Street avg 5.7 t/year
Similar properties nearby
1 Alderbrook, Cyncoed
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1 Duffryn Avenue
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1 Celyn Grove
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1 Glenwood
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1 Dan Yr Heol
CF23 6JU
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CF23 6NJ
1 Cefn Coed Avenue
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
169/mo
Falling 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.







