15b is a detached house in Byram, Knottingley, Knottingley (WF11 9DX). It has a recorded floor area of 70 m² (around 750 sq ft), construction records dating it to 1950-1966 and council tax band A. At 70 m² this is the 8th smallest of 30 units on EPC record in the building, where floor areas span 68–123 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (July 2010) shows a C (score 70). Main heating runs on electricity. The latest certificate is from July 2010, so improvements made since then won't be reflected.
15b's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 21 Jul 2020
No planning applications are recorded against 15b, East Acres, Byram, Knottingley, WF11 9DX. The full report also covers planning activity across the surrounding area.
Full planning data for 15b, East Acres, Byram, Knottingley, WF11 9DX
Every application and decision on this property and nearby, in full, in the report.
15b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£126,000
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
15b is notably below the street on epc rating.
EPC Rating
70 (C)
Street avg 73 (C)
Floor Area
70 m²
Street avg 69 m²
CO₂ Emissions
3.1 t/year
Street avg 2.6 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.8dB

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Median price across the last 5 sales in WF11 9DX: £145,000 (2025–2022).
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
East Acres — bus stop.
Closest school
0.7 km
Brotherton and Byram Community Primary Academy. 8 schools nearby.
Night-time· 23:00 – 07:00
39.3dB