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Get started9 Sim Balk Lane is a five-bedroom semi-detached house in Bishopthorpe, York, York (YO23 2QH). It has a recorded floor area of 123 m² (around 1324 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (December 2020) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 82), a 3-band jump.
At 123 m² it's 26.8% smaller than the typical home in the postcode (168 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 5 bedrooms is on the larger side for this postcode, where 4 is the typical count. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £654,000 is 34.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 52.4% above the typical sold price in the postcode. Last sale on file: £485,000 in March 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
9 Sim Balk Lane sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Extension: Rear of property
Two storey rear extension, hipped roof over existing side extension and single storey front and rear extensions.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£654,000
Modelled from EPC, postcode comparables.
£485,000
Recorded with HM Land Registry.
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On epc rating, 9 Sim Balk Lane runs well behind the street norm.
Price per m²
£3,943
Street avg £3,262
Floor Area
123 m²
Street avg 192 m²
Habitable Rooms
7 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Sim Balk Lane — bus stop.

Daytime· 07:00 – 23:00
53.4dB

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31 March 2021Most recent
£485,000
Median price across the last 5 sales in YO23 2QH: £685,000 (2025–2020).
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

Street avg 8 rooms
CO₂ Emissions
7.5 t/year
Street avg 7.9 t/year
YO23 2RU
Closest school
0.1 km
Bishopthorpe Infant School. 10 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
41.5dB