21 Ash Lea is a semi-detached house in Fairburn, Knottingley, Knottingley (WF11 9LF). It has a recorded floor area of 78 m² (around 843 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (July 2011) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 69). The latest certificate is from July 2011, so improvements made since then won't be reflected.
Sale prices here have lagged England HPI: -9.6% per year against 0% for the wider region. Today's modelled estimate of £147,000 is 47% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£119/sq ft) was about 29.4% below the postcode norm. On the market in July 2011 and unlisted since — roughly 15 years.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
21 Ash Lea's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 12 Jul 2021
21 Ash Lea 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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21 Ash Lea valuation sits well clear of the typical sold price in this postcode.
£147,000
Modelled from EPC, postcode comparables and a sale-price growth of -9.6% per year over 4 years.
£100,000
Growth on file: -9.6% per year over 4 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
21 Ash Lea is notably below the street on price per m².
Price per m²
£1,277
Street avg £1,915
Floor Area
78 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Quarry Bank — bus stop.

Daytime· 07:00 – 23:00
54.5dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
15 July 2011Most recent
£100,000
-33.3%over 4 years6 July 2007
£149,995
Median price across the last 5 sales in WF11 9LF: £150,000 (2024–2018).

CO₂ Emissions
3.8 t/year
Street avg 4.3 t/year
Closest school
0.3 km
Fairburn Community Primary School. 5 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
45.9dB