45a is a semi-detached house in Byram, Knottingley, Knottingley (WF11 9EA). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1950-1966 and council tax band A. At 65 m² this is the 8th smallest of 11 units on EPC record in the building, where floor areas span 53–88 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2026) shows a C (score 74). The rating has held steady at C across 2 certificates since July 2019. Between certificates, wall efficiency went from Average to Good and lighting went from Average to Very Good. This certificate was lodged in the last six months, so the rating reflects current condition.
The EPC has just been inspected, so the rating reflects current condition.
No planning applications are recorded against 45a, Byram Park Road, Byram, Knottingley, WF11 9EA. The full report also covers planning activity across the surrounding area.
Full planning data for 45a, Byram Park Road, Byram, Knottingley, WF11 9EA
Every application and decision on this property and nearby, in full, in the report.
45a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£123,000
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, 45a stands well clear of the street.
EPC Rating
74 (C)
Street avg 71 (C)
Floor Area
65 m²
Street avg 66 m²
CO₂ Emissions
2.0 t/year
Street avg 2.8 t/year
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Woodlea — bus stop.

Daytime· 07:00 – 23:00
51.5dB

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Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Median price across the last 3 sales in WF11 9EA: £75,000 (2015–1997).
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
0.4 km
Brotherton and Byram Community Primary Academy. 10 schools nearby.
Night-time· 23:00 – 07:00
42.7dB