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Get started6 Cowley Close is a three-bedroom semi-detached house in Bierton, Aylesbury, Aylesbury (HP22 5DQ). It has a recorded floor area of 83 m² (around 888 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2009) shows an E (score 41), well below the UK norm with real room to improve. The latest certificate is from May 2009, so improvements made since then won't be reflected. Other recorded features include a conservatory.
Untraded for 16 years, with the last transfer in August 2010. Today's modelled estimate of £424,000 sits 73.1% above the 2010 sale of £245,000. One planning record on file: an extension approved in 2017. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
6 Cowley Close's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 05 May 2019
Extension: Single storey · Rear of property
Removal of existing conservatory and erection of single storey rear extension and loft conversion including rear and side dormer windows
6 Cowley Close valuation sits well clear of the typical sold price in this postcode.
£424,000
Modelled from EPC, postcode comparables.
£245,000
Recorded with HM Land Registry.
On price per m², 6 Cowley Close runs well behind the street norm.
Price per m²
£2,970
Street avg £3,737
Floor Area
83 m²
Street avg 91 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
47.0dB

27 August 2010Most recent
£245,000
Median price across the last 5 sales in HP22 5DQ: £385,000 (2025–2018).
CO₂ Emissions
6.3 t/year
Street avg 5.9 t/year
HP22 5YW
The Red Lion PH — bus stop.
Closest school
0.2 km
Bierton Church of England Combined School. 19 schools nearby.
Night-time· 23:00 – 07:00
39.8dB
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