3 5, Flat 6, Brook Street, Cardiff, CF11 6LG
About 3 5
3 5 is an end-of-terrace house in Cardiff (CF11 6LG). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1900-1929. At 46 m² this is the 4th smallest of 10 units on EPC record in 3 5, where floor areas span 37–85 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (January 2025) shows a C (score 69), just inside the C band. The rating has held steady at C across 4 certificates since January 2015. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82). Main heating runs on electricity.
At 46 m² it sits well below the postcode median (97 m² across 25 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2013.
Everything you need to know about 3 5
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 11 January 2035
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 application on record at 3 5, Flat 6, Brook Street, Cardiff, CF11 6LG
- Jul 2013ConversionFullOutcome in report
CONVERSION FROM PUBLIC HOUSE TO 10 FLATS
- Documents
- 5 docs on file
- Reference
- 10/00179/W
Unlock 3 5, Flat 6, Brook Street, Cardiff, CF11 6LG'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- Every decision — granted, refused or withdrawn (1 on record)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 10 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
3 5 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£138,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF11 6LG: £253,200 (2025–2016).
Nearby sales in CF11 6LG
Versus other Brook Street homes
On floor area, 3 5 runs well behind the street norm.
EPC Rating
69 (C)
Street avg 69 (C)
Floor Area
46 m²
Street avg 61 m²
CO₂ Emissions
1.7 t/year
Street avg 2.1 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 3 5
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Crime
362/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Despenser Gardens — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.