1a, Blenheim Place, Aylesbury, HP21 8AH
About 1a
1a is a two-bedroom detached house in Aylesbury (HP21 8AH). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (April 2024) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2014. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump.
At 116 m² the property is well over the postcode median (69 m² across 20 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. Across 2014–2024, sale prices on this property compounded at 6.9% per year. On a £-per-square-foot basis, the last sale (£400/sq ft) was about 38.5% above the typical sold price in the postcode. Sold May 2024 for £500,000.
What this property has
Inside
- Bedrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- StudyYes
Outside
- Private gardenRear
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
2 applications on record at 1a, Blenheim Place, Aylesbury, HP21 8AH
- Feb 2016DemolitionFullOutcome in report
Extension: Single storey
Demolition of existing detached garage/utility room. Erection of single storey front and side extensions.
Extension- Documents
- 7 docs on file
- Reference
- 16/00080/APP
- More recent applications — locked
- PorchJul 2019Decision
Unlock 1a, 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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 2 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 1a was the highest on Land Registry record across the postcode.
£518,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 10 years.
£500,000
Growth on file: 6.9% per year over 10 years.
Sales timeline
29 May 2024Most recent
£500,000
+88.7%over 9 years17 November 2014
£265,000
Median price across the last 5 sales in HP21 8AH: £360,000 (2024–2022).
Nearby sales in HP21 8AH
Versus other Blenheim Place homes
Floor Area for 1a runs comfortably ahead of the street norm.
Price per m²
£4,310
Street avg £4,158
Floor Area
116 m²
Street avg 74 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.8 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
3/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







