23 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
About 23 Brook Street
23 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.
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. Across 2004–2017, sale prices on this property compounded at 5% per year. Today's modelled estimate of £635,000 is 12.4% 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. Last changed hands 9 years ago, in July 2017.
Energy performance
23 Brook Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2025
EPC Rating
Certificate validity
Expired on 25 February 2025
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 £1,155 · Includes VAT
Planning history
Multiple extension applications run across more than a decade of planning history at 23 Brook Street.
2 applications on record at 23 Brook Street, Aston Clinton, Aylesbury, HP22 5ES
- Feb 2005ExtensionFullOutcome in report
Extension: Single storey · Side of property
Single storey side extension.
- Documents
- 9 docs on file
- Reference
- 05/00121/APP
- More recent applications — locked
- ExtensionDec 2016Decision
Unlock 23 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- Every decision — granted, refused or withdrawn (2 on record)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 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
23 Brook Street valuation sits well clear of the typical sold price in this postcode.
£635,000
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.
Sales timeline
30 July 2017Most recent
£565,000
+16.5%over 2 years14 June 2015
£485,000
+61.7%over 10 years5 September 2004
£300,000
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
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 123 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
8.2 t/year
Street avg 5.2 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







