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This certificate is over 10 years old and is no longer valid.Expired 24 Aug 2024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
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- Every decision — granted, refused or withdrawn (4 on record)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
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Sales history & valuation
Latest sale on 8 Cowley Close was the highest on Land Registry record across the postcode.
£542,000
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
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







