21 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
About 21 Brook Street
21 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.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2018, sale prices on this property compounded at 5.1% per year. 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. Most recent transfer: July 2018 at £520,000.
Energy performance
21 Brook Street's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2023
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at 21 Brook Street.
2 applications on record at 21 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
- Mar 2005ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 8 docs on file
- Reference
- 05/00235/APP
- More recent applications — locked
- ExtensionJun 2017Decision
Unlock 21 Brook Street, Aston Clinton, Aylesbury, HP22 5ES'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- Every decision — granted, refused or withdrawn (2 on record)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 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
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.
Sales timeline
26 July 2018Most recent
£520,000
+84.1%over 12 years30 March 2006
£282,500
Median price across the last 5 sales in HP22 5ES: £580,000 (2025–2023).
Nearby sales in HP22 5ES
25 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
Sold Sept 2025
£835,00030 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
Sold Sept 2025
£865,00014 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
Sold Aug 2025
£580,00042 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
Sold Feb 2025
£375,0003 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
Sold Dec 2023
£335,000
Versus other Brook Street homes
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 124 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.3 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
0.2 km
Weston Road — bus stop.
Closest school
0.4 km
Aston Clinton School. 2 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
47.9dB

Night-time· 23:00 – 07:00
38.6dB







