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Get started23 Flaxman Croft is a four-bedroom detached house in Copmanthorpe, York, York (YO23 3TU). It has a recorded floor area of 115 m² (around 1238 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (June 2025) shows a C (score 72). When first surveyed in August 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average and window efficiency went from Average to Good; while lighting dropped from Very Good to Good.
Sale prices here have outpaced York HPI: 6.8% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£392/sq ft) was about 47.1% above the typical sold price in the postcode. At 115 m² the property is well over the postcode median (72 m² across 25 EPCs), placing it in the larger end of the local stock. Most recent transfer was October 2025 at £485,000 — fresh data. One planning record on file: an extension approved in 2020. Past consents include an extension, meaningful when judging how the property has evolved.
Council records include a part-single-part-two-storey side and rear extension at 23 Flaxman Croft.
Extension: Part single, part two storey · Side and rear of property
Two storey and single storey side extension and single storey front and rear extensions
Latest sale on 23 Flaxman Croft was the highest on Land Registry record across the postcode.
£460,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 24 years.
£485,000
Growth on file: 6.8% per year over 24 years.
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On years held, 23 Flaxman Croft runs well behind the street norm.
Price per m²
£4,217
Street avg £3,678
Floor Area
115 m²
Street avg 83 m²
Habitable Rooms
6 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
High performance glazing installed
Wall insulation upgraded
More low energy lighting installed
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30 October 2025Most recent
£485,000
+167.2%over 16 years27 October 2009
£181,500
+81.6%over 7 years14 December 2001
£99,950
Median price across the last 5 sales in YO23 3TU: £302,500 (2025–2023).
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 3XW
Closest school
0.3 km
Copmanthorpe Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
43.9dB