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Get started5 Sim Balk Lane is a semi-detached house in Bishopthorpe, York, York (YO23 2QH). It has a recorded floor area of 237 m² (around 2551 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (November 2024) returns a B (score 83), comfortably above the UK average. When first surveyed in May 2013 the rating was C, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Good to Very Good; while wall efficiency dropped from Poor to Very Poor.
Held since February 2005 — that's 21 years off the open market, well above the local norm. Sale prices here have outpaced York HPI: 14.4% per year against 0% for the wider region. Today's modelled estimate of £856,000 sits 183.4% above the 2005 sale of £302,000. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 53.1% below the postcode norm. At 237 m² the property is well over the postcode median (162 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
5 Sim Balk Lane ranks among the most efficient homes in the postcode for energy use.
Air source heat pump to rear
Sale price has at least doubled since 1998.
£856,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.4% per year over 7 years.
£302,000
Growth on file: 14.4% per year over 7 years.
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5 Sim Balk Lane outperforms the street on epc rating by a wide margin.
Price per m²
£1,274
Street avg £3,505
Floor Area
237 m²
Street avg 182 m²
Habitable Rooms
8 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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Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
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Extension: Side and rear of property
Two storey side and rear extension, single storey rear extension and dormer to rear (revised scheme)
1 more application for this property
See the full planning history in the property report.
25 February 2005Most recent
£302,000
+150.3%over 6 years1 May 1998
£120,650
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
4.2 t/year
Street avg 8.2 t/year
YO23 2SE
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