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 £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. 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This certificate is over 10 years old and is no longer valid.Expired 25 Feb 2025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
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- Every decision — granted, refused or withdrawn (2 on record)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.
£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.
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
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







