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Get started16 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.
Sale prices here have outpaced England HPI: 9.3% per year against 0% for the wider region. Today's modelled estimate of £503,000 is 36.4% above the 2015 sale price. 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 26.3% larger than the typical home in the postcode (85 m² median across 10 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 27 Mar 2025
Conversion of roof space into living accommodation including insertion of dormer windows to side and rear
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.
16 Cowley Close outperforms the street on floor area by a wide margin.
Price per m²
£3,446
Street avg £3,684
Floor Area
107 m²
Street avg 88 m²
Habitable Rooms
6 rooms
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

Daytime· 07:00 – 23:00
47.0dB

Insertion of two dormer windows in roof to form loft conversion
30 October 2015Most recent
£368,750
+50.5%over 9 years21 July 2006
£245,000
+195.4%over 10 years25 October 1995
£82,950
+38.3%7 July 1995
£60,000
Median price across the last 5 sales in HP22 5DQ: £385,000 (2025–2018).
Street avg 5 rooms
CO₂ Emissions
5.4 t/year
Street avg 6.0 t/year
HP22 5RT
The Red Lion PH — bus stop.
Closest school
0.2 km
Bierton Church of England Combined School. 19 schools nearby.
Night-time· 23:00 – 07:00
39.8dB
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