40 Deri Road, Cardiff, CF23 5AJ
About 40 Deri Road
40 Deri Road is a mid-terrace house in Cardiff (CF23 5AJ). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (February 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
One planning record on file: an extension approved in 2021. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £412,000 is 43.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£297/sq ft) was about 18.3% above the typical sold price in the postcode. Last sale on file: £288,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 40 Deri Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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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.
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Planning history
40 Deri Road has an approved single-storey rear extension on the planning record.
1 application on record at 40 Deri Road, Cardiff, CF23 5AJ
- Mar 2021ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Documents
- 7 docs on file
- Reference
- 21/00252/DCH
Unlock 40 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- Every decision — granted, refused or withdrawn (1 on record)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 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£412,000
Modelled from EPC, postcode comparables.
£288,000
Recorded with HM Land Registry.
Sales timeline
5 March 2021Most recent
£288,000
Median price across the last 5 sales in CF23 5AJ: £525,000 (2025–2023).
Versus other Deri Road homes
40 Deri Road is notably below the street on floor area.
Price per m²
£3,200
Street avg £3,692
Floor Area
90 m²
Street avg 106 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.6 t/year
Everything you need to know about 40 Deri Road
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising 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.