6 Cowley Close, Bierton, Aylesbury, HP22 5DQ
About 6 Cowley Close
6 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.
What this property has
Inside
- Bedrooms3
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
Energy performance
6 Cowley Close's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 04 May 2019
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 6 Cowley Close, Bierton, Aylesbury, HP22 5DQ
- Jun 2017Loft ConversionFullOutcome in report
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
Extension- Documents
- 12 docs on file
- Reference
- 17/00915/APP
Unlock 6 Cowley Close, Bierton, Aylesbury, HP22 5DQ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 7 notable nearby
- The 12 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
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.
Sales timeline
26 August 2010Most recent
£245,000
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, 6 Cowley Close runs well behind the street norm.
Price per m²
£2,970
Street avg £3,915
Floor Area
83 m²
Street avg 90 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
6.3 t/year
Street avg 5.8 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







