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Get started23 Brook Street is a semi-detached house in Aston Clinton, Aylesbury, Aylesbury (HP22 5ES). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (February 2015) shows an F (score 36), near the bottom of the EPC scale. The recommended improvements would lift it to C (score 80), a 3-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5% per year against 0% for the wider region. Today's modelled estimate of £641,000 is 13.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 79.9% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 9 years ago, in July 2017.
23 Brook Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2025
Multiple extension applications run across more than a decade of planning history at 23 Brook Street.
Extension: Single storey · Side of property
First floor side extension and single storey side extension
23 Brook Street valuation sits well clear of the typical sold price in this postcode.
£641,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 13 years.
£565,000
Growth on file: 5.0% per year over 13 years.
On epc rating, 23 Brook Street runs well behind the street norm.
Price per m²
£5,765
Street avg £4,313
Floor Area
98 m²
Street avg 122 m²
Habitable Rooms
5 rooms
Street avg 5 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
0.2 km

Daytime· 07:00 – 23:00
47.9dB

Extension: Single storey · Side of property
Single storey side extension.
31 July 2017Most recent
£565,000
+16.5%over 2 years15 June 2015
£485,000
+61.7%over 10 years6 September 2004
£300,000
Median price across the last 5 sales in HP22 5ES: £580,000 (2025–2023).
25 Brook Street Aston Clinton Aylesbury
Sold Sept 2025
30 Brook Street Aston Clinton Aylesbury
Sold Sept 2025
14 Brook Street Aston Clinton Aylesbury
Sold Aug 2025
42 Brook Street Aston Clinton Aylesbury
Sold Feb 2025
3 Brook Street Aston Clinton Aylesbury
Sold Dec 2023
CO₂ Emissions
8.2 t/year
Street avg 5.1 t/year
HP22 5XD
Weston Road — bus stop.
Closest school
0.4 km
Aston Clinton School. 2 schools nearby.
Night-time· 23:00 – 07:00
38.6dB
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