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Get started1 Flaxman Croft is a two-bedroom detached house in Copmanthorpe, York, York (YO23 3TU). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (November 2015) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Very Poor to Good and hot-water efficiency went from Poor to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from November 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £326,000 sits 91.8% above the 2013 sale of £170,000. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 34.1% below the postcode norm. One planning record on file: an extension approved in 2013. Past consents include an extension, meaningful when judging how the property has evolved. At 90 m² it's 25% larger than the typical home in the postcode (72 m² median across 25 EPCs). On the market in January 2013 and unlisted since — roughly 13 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 20 Nov 2025
1 Flaxman Croft has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey rear extension (revised plan)
1 Flaxman Croft valuation sits well clear of the typical sold price in this postcode.
£326,000
Modelled from EPC, postcode comparables.
£170,000
Recorded with HM Land Registry.
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Price per m² for 1 Flaxman Croft lags the street by a wide margin.
Price per m²
£1,889
Street avg £3,775
Floor Area
90 m²
Street avg 84 m²
Habitable Rooms
4 rooms
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Waggoners Drive — bus stop.

Daytime· 07:00 – 23:00
53.8dB

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Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 January 2013Most recent
£170,000
Median price across the last 5 sales in YO23 3TU: £302,500 (2025–2024).
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 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.7 t/year
YO23 3YH
Closest school
0.3 km
Copmanthorpe Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
43.9dB