Stephen House is a mid-terrace house in Knottingley (WF11 9AW). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to before 1900. The latest certificate (April 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2016. Between certificates, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 78). At 50 m² this is the 10th smallest of 12 units on EPC record in Stephen House, where floor areas span 26–66 m². The building's EPC ratings span E to C across 12 units on file.
At 50 m² the property is well over the postcode median (35 m² across 11 EPCs), placing it in the larger end of the local stock. One historical planning record sits against the property in 2024.
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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A recent planning application at Stephen House was refused — worth checking the council file.
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.
Stephen House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£149,000
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.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
Stephen House outperforms the street on habitable rooms by a wide margin.
EPC Rating
68 (D)
Street avg 58 (D)
Floor Area
50 m²
Street avg 40 m²
CO₂ Emissions
2.4 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
0.0 km

Daytime· 07:00 – 23:00
47.7dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water system upgraded
More low energy lighting installed
Replacement of existing window for a doorway to access proposed roof terrace
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Street avg 2.6 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
WF11 9DY
The Croft Chapel Street — bus stop.
Closest school
0.3 km
St Botolphs CE Academy. 7 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
39.6dB