27 Earl Street, Cardiff, CF11 7DQ
About 27 Earl Street
27 Earl Street is a mid-terrace house in Cardiff (CF11 7DQ). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (July 2024) shows a C (score 75), near the top of the C band. When first surveyed in March 2013 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Good to Very Good. At 45 m² this is the 3rd smallest of 18 units on EPC record in the building, where floor areas span 43–121 m². The building's EPC ratings span G to B across 18 units on file.
Across 2018–2022, sale prices on this property compounded at 11.1% per year. Today's modelled estimate of £158,000 is 30.5% below the 2022 sale of £227,500, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£470/sq ft) was about 331.7% above the typical sold price in the postcode. At 45 m² it sits well below the postcode median (94 m² across 17 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). Sold November 2022 for £227,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Everything you need to know about 27 Earl Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
27 Earl Street's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
27 Earl Street 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£158,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.1% per year over 5 years.
£227,500
Growth on file: 11.1% per year over 5 years.
Sales timeline
10 November 2022Most recent
£227,500
+62.5%over 4 years3 April 2018
£140,000
Median price across the last 5 sales in CF11 7DQ: £172,450 (2025–2018).
Versus other Earl Street homes
EPC Rating for 27 Earl Street runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 69 (C)
Floor Area
45 m²
Street avg 44 m²
CO₂ Emissions
1.4 t/year
Street avg 2.3 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
Everything you need to know about 27 Earl Street
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
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Earl Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.