55a is a four-bedroom detached house in Knottingley (WF11 9AQ). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (October 2016) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 85).
Sale prices here have outpaced England HPI: 13.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£469/sq ft) was about 629.3% above the typical sold price in the postcode. At 99 m² the property is well over the postcode median (61 m² across 8 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). One planning record on file: tree works refused in 2024. Sold July 2023 for £500,000.
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
A tree works application was refused at 55a in 2024.
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.
Latest sale on 55a was the highest on Land Registry record across the postcode.
£506,000
Modelled from EPC, postcode comparables and a sale-price growth of 13.1% per year over 4 years.
£500,000
Growth on file: 13.1% 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
On price per m², 55a stands well clear of the street.
Price per m²
£5,051
Street avg £1,030
Floor Area
99 m²
Street avg 101 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Gaggs Bridge — bus stop.

Daytime· 07:00 – 23:00
49.2dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What will this home really cost to run?
The EPC's recommended upgrades and their estimated cost, in the full report
T1 - Sycamore - Remove deadwood from the canopy limiting the wound and size to a maximum dimension of 50mm. T2 - Sycamore - Lateral reduction on the west side of the lower canopy side by 1.5 - 2m or to the nearest growth point and limited the wound size to 75mm. Reduce elongated limb growing towards property by 1 to 1.5m or to the nearest growth point and limit the wound size to 75mm. T3 - Sycamore - Reduce limb growing towards property by 1.5 to 2m or to the nearest growth point and limited the wound size to 75mm.
30-day money-back guarantee
4 July 2023Most recent
£500,000
+56.3%over 3 years18 November 2019
£320,000
Median price across the last 5 sales in WF11 9AQ: £116,000 (2025–2017).

CO₂ Emissions
3.6 t/year
Street avg 3.7 t/year
WF11 9HF
Closest school
0.4 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
40.5dB