17 Earl Street, Cardiff, CF11 7DQ
About 17 Earl Street
17 Earl Street is a three-bedroom mid-terrace house in Cardiff (CF11 7DQ). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and window efficiency went from Poor to Average. The recommended improvements would lift it to B (score 85), a 2-band jump.
Untraded for 24 years, with the last transfer in June 2002. Across 2002–2002, sale prices on this property compounded at 41.8% per year. Today's modelled estimate of £225,000 sits 188.5% above the 2002 sale of £78,000. On a £-per-square-foot basis, the last sale (£72/sq ft) was about 37.4% below the postcode norm. One planning record on file: subdivision approved in 2010. Past consents include subdivision, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Building
- RefurbishedYes
Everything you need to know about 17 Earl Street
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
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
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 £885 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
1 application on record at 17 Earl Street, Cardiff, CF11 7DQ
- Feb 2010SubdivisionFullOutcome in report
CONVERSION TO TWO FLATS
- Documents
- 1 doc on file
- Reference
- 09/02113/C
Unlock 17 Earl Street, Cardiff, CF11 7DQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 8 notable nearby
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
17 Earl Street's modelled value sits at over four times its earliest registered sale price (2002).
£225,000
Modelled from EPC, postcode comparables and a sale-price growth of 41.8% per year over 1 year.
£78,000
Growth on file: 41.8% per year over 1 year.
Sales timeline
24 June 2002Most recent
£78,000
+41.8%11 January 2002
£55,000
Median price across the last 5 sales in CF11 7DQ: £227,500 (2025–2021).
Versus other Earl Street homes
On price per m², 17 Earl Street runs well behind the street norm.
Price per m²
£780
Street avg £1,558
Floor Area
100 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.4 t/year
Everything you need to know about 17 Earl Street
The true value, the hidden risks and the full sale history, in one report.
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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.