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Get started21 Back Lane is a five-bedroom detached house in Bilbrough, York, York (YO23 3PL). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (September 2015) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from September 2015, so improvements made since then won't be reflected. Other recorded features include outbuildings.
Sale prices here have outpaced York HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £632,000 is 21.1% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£277/sq ft) was about 29.7% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, partial demolition and a porch, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Most recent transfer: January 2022 at £522,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Back Lane's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 22 Sept 2025
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Lawful development certificate for extension to existing side dormer with new flat roof above existing and new
Price for 21 Back Lane has grown more than fourfold since the 1996 starting point.
£632,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 25 years.
£522,000
Growth on file: 6.5% per year over 25 years.
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21 Back Lane is notably below the street on years held.
Price per m²
£2,983
Street avg £2,810
Floor Area
175 m²
Street avg 182 m²
Habitable Rooms
7 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Three Hares — bus stop.

Daytime· 07:00 – 23:00
45.9dB

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Extension: Single storey · Rear of property
Certificate of proposed use for the erection of a single storey extension to the rear following demolition of existing conservatory
2 more applications for this property
See the full planning history in the property report.
13 January 2022Most recent
£522,000
+83.2%over 16 years5 August 2005
£285,000
+171.4%over 8 years1 October 1996
£105,000
Median price across the last 5 sales in YO23 3PL: £745,000 (2025–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

CO₂ Emissions
7.5 t/year
Street avg 5.9 t/year
YO23 3PJ
Closest school
1.5 km
St Mary's Church of England Voluntary Controlled Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
38.3dB