1 Denbigh Street, Cardiff, CF11 9JQ
About 1 Denbigh Street
1 Denbigh Street is a four-bedroom end-of-terrace house in Cardiff (CF11 9JQ). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (March 2019) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2008); the latest reading is one band lower. Between certificates, roof efficiency went from Very Poor to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 85), a 3-band jump.
Held since May 2002 — that's 24 years off the open market, well above the local norm. At 120 m² the property is well over the postcode median (87 m² across 7 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Today's modelled estimate of £336,000 sits 184.7% above the 2002 sale of £118,000. On a £-per-square-foot basis, the last sale (£91/sq ft) was about 47.2% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- EnsuiteYes
Outside
- Private gardenRear
Everything you need to know about 1 Denbigh Street
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Energy performance
1 Denbigh Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
1 Denbigh Street has an approved rear extension on the planning record.
2 applications on record at 1 Denbigh Street, Cardiff, CF11 9JQ
- Nov 2010ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY EXTENSION AND DORMER TO REAR ELEVATION
- Documents
- 1 doc on file
- Reference
- 10/01880/DCH
- More recent applications — locked
- ExtensionOct 2018Decision
Unlock 1 Denbigh Street, Cardiff, CF11 9JQ'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 4 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1 Denbigh Street valuation sits well clear of the typical sold price in this postcode.
£336,000
Modelled from EPC, postcode comparables.
£118,000
Recorded with HM Land Registry.
Sales timeline
2 May 2002Most recent
£118,000
Median price across the last 5 sales in CF11 9JQ: £223,000 (2025–2009).
Nearby sales in CF11 9JQ
Versus other Denbigh Street homes
Price per m² for 1 Denbigh Street lags the street by a wide margin.
Price per m²
£983
Street avg £2,470
Floor Area
120 m²
Street avg 91 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
6.4 t/year
Street avg 3.9 t/year
Everything you need to know about 1 Denbigh Street
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Llandaff Fields — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.