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Get started14 Cosmo Avenue is a four-bedroom semi-detached house in York (YO31 0SU). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (June 2021) shows a C (score 73). The recommended improvements would push it to B (score 84). Records show the property has been extended at some point in its history.
At 109 m² the property is well over the postcode median (79 m² across 15 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2003. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £370,000 is 32.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£239/sq ft) was about 71.3% above the typical sold price in the postcode. Most recent transfer: November 2021 at £280,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Council records include a two-storey side extension at 14 Cosmo Avenue.
Extension: Two storey · Side of property
Erection of two storey pitched roof side extension
Latest sale on 14 Cosmo Avenue was the highest on Land Registry record across the postcode.
£370,000
Modelled from EPC, postcode comparables.
£280,000
Recorded with HM Land Registry.
Floor Area for 14 Cosmo Avenue runs comfortably ahead of the street norm.
Price per m²
£2,569
Street avg £1,996
Floor Area
109 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Eighth Avenue Playing Fields — bus stop.

Daytime· 07:00 – 23:00
49.3dB

26 November 2021Most recent
£280,000
Median price across the last 5 sales in YO31 0SU: £210,000 (2025–2016).
Street avg 5 rooms
CO₂ Emissions
3.5 t/year
Street avg 3.5 t/year
YO31 0PA
Closest school
0.4 km
Tang Hall Primary Academy. 24 schools nearby.
Night-time· 23:00 – 07:00
38.2dB
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