Flat 1, 128 Penarth Road, Cardiff, CF11 6NH
About Flat 1
Flat 1 is an end-of-terrace house in Cardiff (CF11 6NH). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (November 2017) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump.
Across 2008–2018, sale prices on this property compounded at 28.2% per year. Today's modelled estimate of £189,000 is 64.2% below the 2018 sale of £528,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 307.5% above the typical sold price in the postcode. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Last sold in March 2018, so it's been off the market for around 8 years.
Everything you need to know about Flat 1
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
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 1 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 Flat 1 was the highest on Land Registry record across the postcode.
£189,000
Modelled from EPC, postcode comparables and a sale-price growth of 28.2% per year over 9 years.
£528,000
Growth on file: 28.2% per year over 9 years.
Sales timeline
9 March 2018Most recent
£528,000
+956.0%over 9 years8 September 2008
£50,000
Median price across the last 5 sales in CF11 6NH: £211,050 (2024–2017).
Nearby sales in CF11 6NH
Versus other Penarth Road homes
On price per m², Flat 1 stands well clear of the street.
Price per m²
£4,935
Street avg £1,374
Floor Area
107 m²
Street avg 116 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.9 t/year
Street avg 5.2 t/year
Everything you need to know about Flat 1
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

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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
Corporation Rd — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






