28 Deri Road, Cardiff, CF23 5AJ
About 28 Deri Road
28 Deri Road is a three-bedroom mid-terrace house in Cardiff (CF23 5AJ). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (June 2025) shows a C (score 71). When first surveyed in April 2011 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 86). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
At 81 m² it's 22.9% smaller than the typical home in the postcode (105 m² median across 14 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. It changed hands recently, sold December 2025 for £520,000. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Across 2011–2025, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£596/sq ft) was about 137.3% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
Building
- Underfloor heatingYes
- Period featuresYes
- Extension potentialPossible
Energy performance
28 Deri Road ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 22 June 2035
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Loft insulation installed or upgraded to 250mm+
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
1 application on record at 28 Deri Road, Cardiff, CF23 5AJ
- Jun 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
REAR SINGLE STOREY EXTENSION WITH REAR DORMER ROOF EXTENSION
- Documents
- 16 docs on file
- Reference
- 16/01137/DCH
Unlock 28 Deri Road, Cardiff, CF23 5AJ'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 1 notable nearby
- The 16 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
28 Deri Road has more than doubled in price since the earliest registered sale in 2011.
£542,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 14 years.
£520,000
Growth on file: 5.8% per year over 14 years.
Sales timeline
8 December 2025Most recent
£520,000
+126.1%over 14 years18 July 2011
£230,000
Median price across the last 5 sales in CF23 5AJ: £525,000 (2025–2023).
Versus other Deri Road homes
28 Deri Road outperforms the street on price per m² by a wide margin.
Price per m²
£6,420
Street avg £3,718
Floor Area
81 m²
Street avg 107 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 4.7 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Waterloo Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







