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 £572,000 is 10% 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. 8 years since the last transfer (July 2018).
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This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2023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
Certificate validity
Expired on 14 January 2023
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- Every decision — granted, refused or withdrawn (2 on record)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
One time fee only - money back guarantee
Sales history & valuation
21 Brook Street valuation sits well clear of the typical sold price in this postcode.
£572,000
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
109/mo
Falling 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







