5 Byram Park Avenue is a semi-detached house in Byram, Knottingley, Knottingley (WF11 9EH). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (November 2019) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in May 2013 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and roof efficiency went from Very Poor to Good. The recommended improvements would lift it to B (score 83), a 2-band jump.
Held since May 1999 — that's 27 years off the open market, well above the local norm. Sale prices here have lagged England HPI: -3.4% per year against 0% for the wider region. Today's modelled estimate of £211,000 sits 549.2% above the 1999 sale of £32,500. On a £-per-square-foot basis, the last sale (£30/sq ft) was about 77.9% below the postcode norm.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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Recommended upgrades on file would lift this property by multiple EPC bands.
5 Byram Park Avenue has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
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5 Byram Park Avenue's modelled value sits at over four times its earliest registered sale price (1996).
£211,000
Modelled from EPC, postcode comparables and a sale-price growth of -3.4% per year over 3 years.
£32,500
Growth on file: -3.4% per year over 3 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
Habitable Rooms for 5 Byram Park Avenue runs comfortably ahead of the street norm.
EPC Rating
66 (D)
Street avg 71 (C)
Floor Area
100 m²
Street avg 108 m²
CO₂ Emissions
3.9 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
0.2 km

Daytime· 07:00 – 23:00
46.4dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
19 May 1999Most recent
£32,500
-9.7%over 2 years31 May 1996
£36,000
Median price across the last 3 sales in WF11 9EH: £159,950 (2016–2014).

Street avg 3.5 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
East Acres — bus stop.
Closest school
0.7 km
Brotherton and Byram Community Primary Academy. 9 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
38.0dB