21a, Corporation Road, Cardiff, CF11 7AN
About 21a
21a is a mid-terrace house in Cardiff (CF11 7AN). It has a recorded floor area of 58 m² (around 624 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2018) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). At 58 m² this is the 13th smallest of 27 units on EPC record in the building, where floor areas span 24–135 m². The building's EPC ratings span G to C across 27 units on file.
Held since November 2005 — that's 21 years off the open market, well above the local norm. Across 2001–2005, sale prices on this property compounded at 37.5% per year. Today's modelled estimate of £166,000 is 12.9% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£235/sq ft) was about 97.7% above the typical sold price in the postcode.
Everything you need to know about 21a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
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
21a has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 2001.
£166,000
Modelled from EPC, postcode comparables and a sale-price growth of 37.5% per year over 4 years.
£147,000
Growth on file: 37.5% per year over 4 years.
Sales timeline
15 November 2005Most recent
£147,000
+1.4%over 1 year3 May 2004
£145,000
+262.5%over 2 years14 October 2001
£40,000
Median price across the last 5 sales in CF11 7AN: £79,000 (2021–2009).
Nearby sales in CF11 7AN
Versus other Corporation Road homes
On price per m², 21a stands well clear of the street.
Price per m²
£2,534
Street avg £1,698
Floor Area
58 m²
Street avg 57 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.4 t/year
Everything you need to know about 21a
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
Paget Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.