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Get started14 Cowley Close is a three-bedroom semi-detached house in Bierton, Aylesbury, Aylesbury (HP22 5DQ). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2025) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in March 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75). Other recorded features include a conservatory. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 3.2% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£491/sq ft) was about 98% above the typical sold price in the postcode. Most recent transfer was November 2025 at £460,000 — fresh data.
14 Cowley Close valuation sits well clear of the typical sold price in this postcode.
£445,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 10 years.
£460,000
Growth on file: 3.2% per year over 10 years.
On price per m², 14 Cowley Close stands well clear of the street.
Price per m²
£5,287
Street avg £3,479
Floor Area
87 m²
Street avg 90 m²
Habitable Rooms
4 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

Changes detected from historical EPC data
Wall insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
25 November 2025Most recent
£460,000
+39.4%over 10 years12 June 2015
£329,950
Median price across the last 5 sales in HP22 5DQ: £368,750 (2022–2015).
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 6.0 t/year
HP22 5BJ
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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