12 Chiltern Avenue is a three-bedroom semi-detached house in Knottingley (WF11 8EH). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (October 2019) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in November 2011 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.
Sale prices here have outpaced England HPI: 5.2% per year against 0% for the wider region. Today's modelled estimate of £186,000 is 47.6% above the 2020 sale price. Most recent transfer: June 2020 at £126,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 12 Chiltern Avenue, Knottingley, WF11 8EH. The full report also covers planning activity across the surrounding area.
Full planning data for 12 Chiltern Avenue, Knottingley, WF11 8EH
Every application and decision on this property and nearby, in full, in the report.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.2% per year over 8 years.
£126,000
Growth on file: 5.2% per year over 8 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
Floor Area for 12 Chiltern Avenue lags the street by a wide margin.
Price per m²
£1,703
Street avg £1,100
Floor Area
74 m²
Street avg 102 m²
Habitable Rooms
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
Headlands Lane Hill Top — bus stop.

Daytime· 07:00 – 23:00
51.3dB

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Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Cavity wall insulation installed
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
8 June 2020Most recent
£126,000
+52.7%over 8 years6 January 2012
£82,500
Median price across the last 5 sales in WF11 8EH: £130,000 (2021–2004).
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 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.5 t/year
WF11 8QS
Closest school
0.4 km
The Vale Primary Academy. 10 schools nearby.
Night-time· 23:00 – 07:00
41.6dB