139 Penarth Road, Cardiff, CF11 6JU
About 139 Penarth Road
139 Penarth Road is a mid-terrace house in Cardiff (CF11 6JU). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2019) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in May 2011 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 77). At 69 m² this is the 11th 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 across 20 units on file.
Across 1999–2020, sale prices on this property compounded at -4.6% per year. Today's modelled estimate of £148,000 sits 867.3% above the 2020 sale of £15,300. On a £-per-square-foot basis, the last sale (£21/sq ft) was about 78.1% below the postcode norm. Most recent transfer: February 2020 at £15,300.
Everything you need to know about 139 Penarth 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Window efficiency improved
Heating controls changed
Hot water efficiency decreased
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
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 £820 · Includes VAT
Planning history
139 Penarth Road has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 139 Penarth Road was the lowest on Land Registry record across the postcode.
£148,000
Modelled from EPC, postcode comparables and a sale-price growth of -4.6% per year over 20 years.
£15,300
Growth on file: -4.6% per year over 20 years.
Sales timeline
21 February 2020Most recent
£15,300
-85.0%over 13 years23 February 2006
£101,797
+154.8%over 6 years26 November 1999
£39,950
Median price across the last 5 sales in CF11 6JU: £185,000 (2023–2020).
Nearby sales in CF11 6JU
Versus other Penarth Road homes
139 Penarth Road is notably below the street on price per m².
Price per m²
£222
Street avg £2,404
Floor Area
69 m²
Street avg 51 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.6 t/year
Everything you need to know about 139 Penarth 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
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.