56b, Hollybush Road, Cardiff, CF23 6TA
About 56b
56b is a four-bedroom detached house in Cardiff (CF23 6TA). It has a recorded floor area of 162 m² (around 1744 sq ft) and construction records dating it to 1976-1982. The latest certificate (May 2023) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2018. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79). Other recorded features include a conservatory and a self-contained annexe.
At 162 m² it sits well below the postcode median (234 m² across 20 EPCs), making it one of the more compact homes locally. One planning record on file: an extension approved in 2024. Past consents include an extension, meaningful when judging how the property has evolved. Across 1999–2023, sale prices on this property compounded at 7.2% per year. On a £-per-square-foot basis, the last sale (£419/sq ft) was about 161.8% above the typical sold price in the postcode. Sold September 2023 for £730,000.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- GarageDouble, Detached
Building
- Central heatingYes
Energy performance
56b's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
56b has an approved single-storey extension on the planning record.
1 application on record at 56b, Hollybush Road, Cardiff, CF23 6TA
- Jan 2024ExtensionFullOutcome in report
Extension: Single storey
Raise roof of existing dwelling to provide additional first floor living accommodation
- Documents
- 19 docs on file
- Reference
- 23/02576/HSE
Unlock 56b, Hollybush Road, Cardiff, CF23 6TA'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- Every decision — granted, refused or withdrawn (1 on record)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 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
56b has more than quadrupled in price since its earliest registered sale in 1999.
£711,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 24 years.
£730,000
Growth on file: 7.2% per year over 24 years.
Sales timeline
21 September 2023Most recent
£730,000
+425.2%over 24 years16 September 1999
£139,000
Median price across the last 5 sales in CF23 6TA: £762,500 (2025–2015).
Nearby sales in CF23 6TA
Versus other Hollybush Road homes
Price per m² for 56b runs comfortably ahead of the street norm.
Price per m²
£4,506
Street avg £1,988
Floor Area
162 m²
Street avg 242 m²
Habitable Rooms
6 rooms
Street avg 8 rooms
CO₂ Emissions
7.2 t/year
Street avg 8.9 t/year
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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
0.3 km
Wern Goch — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







