121 Penarth Road, Cardiff, CF11 6JU
About 121 Penarth Road
121 Penarth Road is a mid-terrace house in Cardiff (CF11 6JU). It has a recorded floor area of 41 m² (around 441 sq ft) and construction records dating it to before 1900. At 41 m² this is the 4th smallest of 20 units on EPC record in the building, where floor areas span 31–147 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (November 2018) shows an E (score 49), well below the UK norm with real room to improve. Earlier certificates rated it D (May 2013); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and lighting dropped from Good to Very Poor. The recommended improvements would push it to D (score 60). Main heating runs on electricity.
At 41 m² it sits well below the postcode median (69 m² across 19 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2014.
Everything you need to know about 121 Penarth Road
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
More low energy lighting installed
Cavity wall insulation installed
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 application on record at 121 Penarth Road, Cardiff, CF11 6JU
- Aug 2014ConversionFullOutcome in report
RETENTION OF CONVERSION FROM 2 TO 3 FLATS
- Documents
- 7 docs on file
- Reference
- 14/01632/DCI
Unlock 121 Penarth Road, Cardiff, CF11 6JU's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 12 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
121 Penarth Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£139,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF11 6JU: £185,000 (2023–2020).
Nearby sales in CF11 6JU
Versus other Penarth Road homes
EPC Rating for 121 Penarth Road lags the street by a wide margin.
EPC Rating
49 (E)
Street avg 61 (D)
Floor Area
41 m²
Street avg 54 m²
CO₂ Emissions
2.6 t/year
Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 121 Penarth Road
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
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Blaenclydach Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.