21 Buckingham Way is a four-bedroom detached house in Byram, Knottingley, Knottingley (WF11 9NW). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (November 2022) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in June 2018 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Very Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. Records show the property has been extended at some point in its history.
Sale prices here have outpaced England HPI: 4.7% per year against 0% for the wider region. Today's modelled estimate of £276,000 is 31.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£140/sq ft) was about 38.5% below the postcode norm. At 139 m² the property is well over the postcode median (68 m² across 8 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Sold November 2021 for £210,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Buckingham Way's carbon output runs well above what efficient homes in the postcode produce.
21 Buckingham Way has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Erection of single storey rear extension
Sale price has grown by over 3x since 1995.
£276,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 26 years.
£210,000
Growth on file: 4.7% per year over 26 years.
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21 Buckingham Way outperforms the street on floor area by a wide margin.
Price per m²
£1,511
Street avg £2,335
Floor Area
139 m²
Street avg 68 m²
Habitable Rooms
6 rooms
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
49.2dB

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Changes detected from historical EPC data
Hot water efficiency improved
Roof insulation improved
Low energy lighting percentage decreased
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Loft insulation upgraded to recommended levels
Heating system changed
Hot water system changed
Floor insulation added or improved
Full planning data for 21 Buckingham Way, Byram, Knottingley, WF11 9NW
Every application and decision on this property and nearby, in full, in the report.
24 November 2021Most recent
£210,000
+61.5%over 14 years11 May 2007
£130,000
+49.4%over 5 years20 March 2002
£87,000
+38.1%over 6 years25 August 1995
£63,000
Median price across the last 5 sales in WF11 9NW: £190,000 (2024–2015).
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
6.9 t/year
Street avg 4.1 t/year
WF11 9EU
St Edwards Close — bus stop.
Closest school
0.6 km
Brotherton and Byram Community Primary Academy. 8 schools nearby.
Night-time· 23:00 – 07:00
40.7dB