25 Marlborough Avenue is a two-bedroom detached house in Byram, Knottingley, Knottingley (WF11 9NP). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1976-1982 and council tax band B. Tenure is freehold. The latest certificate (April 2025) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2014. Between certificates, hot-water efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Other recorded features include a conservatory. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 1.9% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£289/sq ft) was about 49.4% above the typical sold price in the postcode. Most recent transfer was August 2025 at £190,000 — fresh data.
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 25 Marlborough Avenue, Byram, Knottingley, WF11 9NP. The full report also covers planning activity across the surrounding area.
Full planning data for 25 Marlborough Avenue, Byram, Knottingley, WF11 9NP
Every application and decision on this property and nearby, in full, in the report.
25 Marlborough Avenue valuation sits well clear of the typical sold price in this postcode.
£203,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 10 years.
£190,000
Growth on file: 1.9% per year over 10 years.
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25 Marlborough Avenue is notably below the street on years held.
Price per m²
£3,115
Street avg £2,371
Floor Area
61 m²
Street avg 67 m²
Habitable Rooms
3 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Sutton Lane — bus stop.

Daytime· 07:00 – 23:00
50.2dB

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Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
14 August 2025Most recent
£190,000
+21.8%over 10 years27 February 2015
£156,000
Median price across the last 5 sales in WF11 9NP: £190,000 (2025–2017).
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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Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 2.9 t/year
WF11 9BS
Closest school
0.6 km
Brotherton and Byram Community Primary Academy. 8 schools nearby.
Night-time· 23:00 – 07:00
41.8dB