25 Earl Street, Cardiff, CF11 7DQ
About 25 Earl Street
25 Earl Street is a one-bedroom mid-terrace house in Cardiff (CF11 7DQ). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band B. At 43 m² this is the smallest unit on EPC record across the building (43–121 m²). The building's EPC ratings span G to B across 18 units on file. The latest certificate (August 2024) shows a C (score 71). When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and hot-water efficiency went from Average to Good.
Held since July 2000 — that's 26 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £120,000 sits 224.3% above the 2000 sale of £37,000. On a £-per-square-foot basis, the last sale (£80/sq ft) was about 31% below the postcode norm. At 43 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).
What this property has
Inside
- Bedrooms1
Everything you need to know about 25 Earl Street
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Single glazing replaced with double or better glazing
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
25 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
25 Earl Street's estimated value is more than triple its earliest registered sale price (2000).
£120,000
Modelled from EPC, postcode comparables.
£37,000
Recorded with HM Land Registry.
Sales timeline
31 July 2000Most recent
£37,000
Median price across the last 5 sales in CF11 7DQ: £227,500 (2025–2021).
Versus other Earl Street homes
Floor Area for 25 Earl Street lags the street by a wide margin.
EPC Rating
71 (C)
Street avg 71 (C)
Floor Area
43 m²
Street avg 44 m²
CO₂ Emissions
1.7 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 25 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.