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Get started3 Cosmo Avenue is a three-bedroom semi-detached house in York (YO31 0SU). It has a recorded floor area of 79 m² (around 855 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (December 2008) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from December 2008, so improvements made since then won't be reflected.
Sale prices here have outpaced York HPI: 10.2% per year against 0% for the wider region. Today's modelled estimate of £241,000 sits 85.4% above the 2011 sale of £130,000. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sold in June 2011, so it's been off the market for around 15 years.
3 Cosmo Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 12 Dec 2018
3 Cosmo Avenue has more than tripled in price since its earliest registered sale in 1999.
£241,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.2% per year over 12 years.
£130,000
Growth on file: 10.2% per year over 12 years.
On epc rating, 3 Cosmo Avenue runs well behind the street norm.
Price per m²
£1,637
Street avg £2,081
Floor Area
79 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 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

1 June 2011Most recent
£130,000
+25.6%over 8 years27 September 2002
£103,500
+149.4%over 3 years17 September 1999
£41,500
Median price across the last 5 sales in YO31 0SU: £255,000 (2025–2021).
CO₂ Emissions
5.4 t/year
Street avg 3.4 t/year
YO31 0XH
Closest school
0.4 km
Tang Hall Primary Academy. 24 schools nearby.
Night-time· 23:00 – 07:00
38.2dB
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