27b is a semi-detached house in Byram, Knottingley, Knottingley (WF11 9DY). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1950-1966 and council tax band A. At 70 m² this is the 15th smallest of 37 units on EPC record in the building, where floor areas span 36–109 m². The building's EPC ratings span G to B across 37 units on file. The latest certificate (May 2016) shows a C (score 72). Main heating runs on electricity. The latest certificate is from May 2016, so improvements made since then won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 17 May 2026
No planning applications are recorded against 27b, West Acres, Byram, Knottingley, WF11 9DY. The full report also covers planning activity across the surrounding area.
Full planning data for 27b, West Acres, Byram, Knottingley, WF11 9DY
Every application and decision on this property and nearby, in full, in the report.
27b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£122,000
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.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On floor area, 27b stands well clear of the street.
EPC Rating
72 (C)
Street avg 66 (D)
Floor Area
70 m²
Street avg 51 m²
CO₂ Emissions
3.8 t/year
Street avg 3.2 t/year
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
West Acres — bus stop.

Daytime· 07:00 – 23:00
50.4dB

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Median price across the last 5 sales in WF11 9DY: £189,000 (2025–2024).
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 2 rooms
Closest school
0.5 km
Brotherton and Byram Community Primary Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
41.9dB