9b, Dogo Street, Cardiff, CF11 9JJ
About 9b
9b is a two-bedroom mid-terrace house in Cardiff (CF11 9JJ). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1900-1929. At 72 m² this is the 6th smallest of 20 units on EPC record in the building, where floor areas span 49–210 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (March 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since March 2010. Between certificates, window efficiency went from Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).
At 72 m² it sits well below the postcode median (124 m² across 19 EPCs), making it one of the more compact homes locally. Across 2001–2023, sale prices on this property compounded at 4.5% per year. On a £-per-square-foot basis, the last sale (£323/sq ft) was about 52.8% above the typical sold price in the postcode. Sold August 2023 for £250,000.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- EnsuiteYes
Outside
- ParkingAllocated
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
9b has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 2001.
£259,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 22 years.
£250,000
Growth on file: 4.5% per year over 22 years.
Sales timeline
2 August 2023Most recent
£250,000
+58.2%over 9 years11 September 2013
£158,000
+66.8%over 12 years29 August 2001
£94,750
Median price across the last 5 sales in CF11 9JJ: £464,000 (2023–2014).
Nearby sales in CF11 9JJ
Versus other Dogo Street homes
Price per m² for 9b runs comfortably ahead of the street norm.
Price per m²
£3,472
Street avg £1,889
Floor Area
72 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.9 t/year
Street avg 3.0 t/year
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Berthwin Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







