8 Cowley Close, Bierton, Aylesbury, HP22 5DQ
About 8 Cowley Close
8 Cowley Close is a four-bedroom semi-detached house in Bierton, Aylesbury, Aylesbury (HP22 5DQ). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2014) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from August 2014, so improvements made since then won't be reflected.
At 111 m² the property is well over the postcode median (83 m² across 11 EPCs), placing it in the larger end of the local stock. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a garage conversion and a loft conversion, meaningful when judging how the property has evolved. Across 1997–2022, sale prices on this property compounded at 7.4% per year. On a £-per-square-foot basis, the last sale (£427/sq ft) was about 54.7% above the typical sold price in the postcode. Sold January 2022 for £510,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- Heating systemGas
Energy performance
8 Cowley Close's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 24 Aug 2024
EPC Rating
Certificate validity
Expired on 24 August 2024
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
8 Cowley Close has 2 separate extension applications on the council record.
4 applications on record at 8 Cowley Close, Bierton, Aylesbury, HP22 5DQ
- Jul 2004Loft ConversionFullOutcome in report
Conversion of roof space to living accommodation with insertion of dormer windows to side and rear
- Documents
- 4 docs on file
- Reference
- 04/01458/APP
- More recent applications — locked
- Garage ConversionNov 2023Decision
- ExtensionAug 2012Decision
+ 1 more application in the report
Unlock 8 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 (4 on record)
- All 4 applications on this property in full, plus 7 notable nearby
- The 36 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Latest sale on 8 Cowley Close was the highest on Land Registry record across the postcode.
£551,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 25 years.
£510,000
Growth on file: 7.4% per year over 25 years.
Sales timeline
7 January 2022Most recent
£510,000
+40.5%over 6 years30 January 2015
£363,000
+322.1%over 17 years28 February 1997
£86,000
Median price across the last 5 sales in HP22 5DQ: £368,750 (2025–2015).
Nearby sales in HP22 5DQ
14 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Nov 2025
£460,0004 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
£336,00016 Cowley Close, Bierton, Aylesbury, HP22 5DQ
Sold Oct 2015
£368,750
Versus other Cowley Close homes
On floor area, 8 Cowley Close stands well clear of the street.
Price per m²
£4,595
Street avg £3,752
Floor Area
111 m²
Street avg 87 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.4 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
109/mo
Falling 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







