20 Marlborough Avenue, Byram, Knottingley, WF11 9NP
EPC B
About 20 Marlborough Avenue
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Marlborough Avenue is a detached house in Byram, Knottingley, Knottingley (WF11 9NP). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (January 2026) returns a high B (score 90), putting the home a stone's throw from an A rating. Earlier certificates rated it A (February 2018); the latest reading is one band lower. Between certificates, main heating went from Good to Very Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to A (score 92). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 75 m² it's 25% larger than the typical home in the postcode (60 m² median across 16 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
20 Marlborough Avenue ranks among the most efficient homes in the postcode for energy use.
Current Certificate(1 of 3)
Jan 2026
EPC Rating
A
B
B90
C
D
E
F
G
Main Heating
Heat Pump
Main Fuel
Electric
Hot Water
Average
Windows
Poor
CO2 Emissions
0.3 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 20 Marlborough Avenue, Byram, Knottingley, WF11 9NP, sourced from the PlanIt planning register.
No planning applications are recorded against 20 Marlborough Avenue, Byram, Knottingley, WF11 9NP. The full report also covers planning activity across the surrounding area.
Full planning data for 20 Marlborough Avenue, Byram, Knottingley, WF11 9NP
Every application and decision on this property and nearby, in full, in the report.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
20 Marlborough Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£224,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Launch offer · 33% off
The complete analysis of 20 Marlborough Avenue, Byram, Knottingley, WF11 9NP
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
Versus other Marlborough Avenue homes
Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.
On epc rating, 20 Marlborough Avenue stands well clear of the street.
EPC Rating
90 (B)
Street avg 63 (D)
Floor Area
75 m²
Street avg 66 m²
CO₂ Emissions
0.3 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Knottingley district page.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sutton Lane — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around WF11 9NP from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
50.2dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 38 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 20 Marlborough Avenue, Byram, Knottingley, WF11 9NP. Each answer is also embedded as structured data for search engines.
