8b is a semi-detached house in Byram, Knottingley, Knottingley (WF11 9DZ). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (April 2019) shows a C (score 74). When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Very Poor to Very Good and main heating went from Poor to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Very Good to Good. At 39 m² this is the 6th smallest of 35 units on EPC record in the building, where floor areas span 32–184 m². The building's EPC ratings span F to B across 35 units on file.
At 39 m² it sits well below the postcode median (76 m² across 34 EPCs), making it one of the more compact homes locally.
8b's carbon output is low for the local stock.
No planning applications are recorded against 8b, Byram Park Road, Byram, Knottingley, WF11 9DZ. The full report also covers planning activity across the surrounding area.
Full planning data for 8b, Byram Park Road, Byram, Knottingley, WF11 9DZ
Every application and decision on this property and nearby, in full, in the report.
8b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
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
8b outperforms the street on epc rating by a wide margin.
EPC Rating
74 (C)
Street avg 69 (C)
Floor Area
39 m²
Street avg 38 m²
CO₂ Emissions
1.4 t/year
Street avg 1.9 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
50.0dB

Launch offer
Secure checkout · One-off payment
30-day money-back guarantee

Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Median price across the last 5 sales in WF11 9DZ: £152,000 (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
Ad-free · Secure Stripe checkout · One-off payment
30-day money-back guarantee

Habitable Rooms
2 rooms
Street avg 1 rooms
Closest school
0.6 km
Brotherton and Byram Community Primary Academy. 9 schools nearby.
Night-time· 23:00 – 07:00
41.5dB