16 Cowley Close, Bierton, Aylesbury, HP22 5DQ
About 16 Cowley Close
16 Cowley Close is a four-bedroom semi-detached house in Bierton, Aylesbury, Aylesbury (HP22 5DQ). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (March 2015) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from March 2015, so improvements made since then won't be reflected. Other recorded features include a conservatory.
11 years since the last transfer (October 2015). Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 107 m² it's 29.7% larger than the typical home in the postcode (83 m² median across 11 EPCs). Across 1995–2015, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £503,000 is 36.4% above the 2015 sale price.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageYes
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This certificate is over 10 years old and is no longer valid.Expired 27 Mar 2025
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
2 applications on record at 16 Cowley Close, Bierton, Aylesbury, HP22 5DQ
- Apr 2005Loft ConversionFullOutcome in report
Insertion of two dormer windows in roof to form loft conversion
- Documents
- 7 docs on file
- Reference
- 05/00424/APP
- More recent applications — locked
- Loft ConversionJun 2005Decision
Unlock 16 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 7 notable nearby
- The 15 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Price for 16 Cowley Close has grown more than fourfold since the 1995 starting point.
£503,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.3% per year over 20 years.
£368,750
Growth on file: 9.3% per year over 20 years.
Sales timeline
30 October 2015Most recent
£368,750
+50.5%over 9 years20 July 2006
£245,000
+195.4%over 10 years25 October 1995
£82,950
+38.3%6 July 1995
£60,000
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
16 Cowley Close outperforms the street on floor area by a wide margin.
Price per m²
£3,446
Street avg £3,867
Floor Area
107 m²
Street avg 88 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







