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Get started21 Brook Street is a semi-detached house in Aston Clinton, Aylesbury, Aylesbury (HP22 5ES). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2013) shows an E (score 46), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 67). The latest certificate is from January 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. Today's modelled estimate of £592,000 is 13.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£562/sq ft) was about 93.5% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: July 2018 at £520,000.
21 Brook Street's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2023
Multiple extension applications run across more than a decade of planning history at 21 Brook Street.
Extension: Single storey
Single storey front/side extension with infill between garage and bathroom
21 Brook Street valuation sits well clear of the typical sold price in this postcode.
£592,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 12 years.
£520,000
Growth on file: 5.1% per year over 12 years.
Price per m² for 21 Brook Street runs comfortably ahead of the street norm.
Price per m²
£6,047
Street avg £4,301
Floor Area
86 m²
Street avg 123 m²
Habitable Rooms
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 · Rear of property
Single storey rear extension
27 July 2018Most recent
£520,000
+84.1%over 12 years31 March 2006
£282,500
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
Street avg 5 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.1 t/year
HP22 5RT
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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