9 Blenheim Place, Aylesbury, HP21 8AH
About 9 Blenheim Place
9 Blenheim Place is a three-bedroom semi-detached house in Aylesbury (HP21 8AH). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2022) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2010. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 80). Other recorded features include a conservatory and outbuildings. The home occupies a cul-de-sac position.
One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Across 2010–2023, sale prices on this property compounded at 3.7% per year. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 85.7% above the typical sold price in the postcode. Last sale on file: £410,000 in January 2023.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- ConservatoryYes
Outside
- Private gardenYes
- DrivewayYes
- OutbuildingsYes
- Cul-de-sacYes
Energy performance
EPC Rating
Certificate validity
Valid until 23 June 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency decreased
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 9 Blenheim Place, Aylesbury, HP21 8AH
- Jul 2023ExtensionFullOutcome in report
Extension: Single storey · Side of property
Householder application for single storey side infill extension, conversion / refurbishment of existing conservatory and garage, patio, fenestration and roof changes
- Documents
- 10 docs on file
- Reference
- 23/01513/APP
Unlock 9 Blenheim Place, Aylesbury, HP21 8AH's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Blenheim Place valuation sits well clear of the typical sold price in this postcode.
£432,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 13 years.
£410,000
Growth on file: 3.7% per year over 13 years.
Sales timeline
6 January 2023Most recent
£410,000
+57.7%over 12 years9 June 2010
£260,000
Median price across the last 5 sales in HP21 8AH: £330,000 (2025–2023).
Nearby sales in HP21 8AH
Versus other Blenheim Place homes
9 Blenheim Place outperforms the street on price per m² by a wide margin.
Price per m²
£5,775
Street avg £4,038
Floor Area
71 m²
Street avg 76 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
175/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Harvey Road — bus stop.
Closest school
0.4 km
The Mandeville School. 24 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
50.7dB

Night-time· 23:00 – 07:00
39.6dB







