2a, Cowley Close, Bierton, Aylesbury, HP22 5DQ
About 2a
2a is a semi-detached house in Bierton, Aylesbury, Aylesbury (HP22 5DQ). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (October 2014) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from October 2014, so improvements made since then won't be reflected.
Untraded for 20 years, with the last transfer in October 2006. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £669,000 is 47.8% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£513/sq ft) was about 85.8% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 29 Oct 2024
EPC Rating
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Planning history
2a has an approved single-storey rear extension on the planning record.
1 application on record at 2a, Cowley Close, Bierton, Aylesbury, HP22 5DQ
- Jan 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 7 docs on file
- Reference
- 15/04133/APP
Unlock 2a, Cowley Close, Bierton, Aylesbury, HP22 5DQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 7 notable nearby
- The 7 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
2a valuation sits well clear of the typical sold price in this postcode.
£669,000
Modelled from EPC, postcode comparables.
£452,500
Recorded with HM Land Registry.
Sales timeline
26 October 2006Most recent
£452,500
Median price across the last 5 sales in HP22 5DQ: £385,000 (2025–2018).
Nearby sales in HP22 5DQ
14 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Nov 2025
£460,0008 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Jan 2022
£510,0004 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Jun 2021
£385,00012 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Oct 2018
£276,00013 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Jul 2018
£336,000
Versus other Cowley Close homes
On price per m², 2a stands well clear of the street.
Price per m²
£5,518
Street avg £3,660
Floor Area
82 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.9 t/year
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The neighbourhood at a glance
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
The Red Lion PH — bus stop.
Closest school
0.2 km
Bierton Church of England Combined School. 19 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.0dB

Night-time· 23:00 – 07:00
39.8dB







