9b is a property in Fairburn, Knottingley, Knottingley (WF11 9LF). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1950-1966 and council tax band A. At 89 m² this is the 21st smallest of 22 units on EPC record in the building, where floor areas span 58–137 m². The building's EPC ratings span E to C across 22 units on file. The latest certificate (September 2025) shows a D (score 61), on the cusp of jumping into the C band.
At 89 m² it's 29% larger than the typical home in the postcode (69 m² median across 21 EPCs). One historical planning record sits against the property in 2004.
Erection of a detached garage in the rear garden area of
9b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£131,000
Modelled from EPC, postcode comparables.
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.
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Detailed analysis
A written breakdown of everything that matters
9b outperforms the street on floor area by a wide margin.
EPC Rating
61 (D)
Street avg 68 (D)
Floor Area
89 m²
Street avg 68 m²
CO₂ Emissions
4.1 t/year
Street avg 3.4 t/year
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Quarry Bank — bus stop.

Daytime· 07:00 – 23:00
54.5dB

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Unlock the certificate's suggested upgrades and estimated costs in the full report
Full planning data for 9b, Ash Lea, Fairburn, Knottingley, WF11 9LF
Every application and decision on this property and nearby, in full, in the report.
Median price across the last 5 sales in WF11 9LF: £150,000 (2024–2018).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Habitable Rooms
3 rooms
Street avg 3 rooms
Closest school
0.3 km
Fairburn Community Primary School. 5 schools nearby.
Night-time· 23:00 – 07:00
45.9dB