Walnut Tree House, Ashendon, Aylesbury, HP18 0HB
About Walnut Tree House
Walnut Tree House is a detached house in Ashendon, Aylesbury, Aylesbury (HP18 0HB). It has a recorded floor area of 402 m² (around 4327 sq ft) and construction records dating it to 2003-2006. The latest certificate (September 2020) shows a C (score 70). When first surveyed in September 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good. Main heating runs on oil.
At 402 m² the property is well over the postcode median (102 m² across 8 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, a porch and new windows, meaningful when judging how the property has evolved. Across 2006–2020, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £1,674,000 is 26.3% above the 2020 sale price. Last sale on file: £1,325,000 in September 2020.
Energy performance
Walnut Tree House ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property is a large detached home over 300m², has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
2 applications on record at Walnut Tree House, Ashendon, Aylesbury, HP18 0HB
- Oct 2008RenovationFullOutcome in report
Alterations to windows and doors in rear elevation
New Windows- Documents
- 7 docs on file
- Reference
- 08/02171/APP
- More recent applications — locked
- PorchApr 2021Decision
Unlock Walnut Tree House, Ashendon, Aylesbury, HP18 0HB'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- Every decision — granted, refused or withdrawn (2 on record)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
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,674,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.9% per year over 14 years.
£1,325,000
Growth on file: 2.9% per year over 14 years.
Sales timeline
22 September 2020Most recent
£1,325,000
+34.5%over 9 years14 June 2011
£985,000
+12.6%over 5 years1 June 2006
£875,000
Median price across the last 5 sales in HP18 0HB: £505,000 (2025–2021).
Nearby sales in HP18 0HB
The Old School House, Ashendon, Aylesbury, HP18 0HB
Sold Oct 2025
£375,000Amberwood Cottage, Ashendon, Aylesbury, HP18 0HB
Sold Dec 2023
£350,000Ashendon Farm, Ashendon, Aylesbury, HP18 0HB
Sold Aug 2021
£1,650,000Hunnypot House, Ashendon, Aylesbury, HP18 0HB
Sold Jun 2021
£1,250,000The Cottage, Ashendon, Aylesbury, HP18 0HB
Sold Mar 2021
£505,000
Versus the street
EPC Rating for Walnut Tree House runs comfortably ahead of the street norm.
Price per m²
£3,296
Street avg £3,664
Floor Area
402 m²
Street avg 153 m²
Habitable Rooms
10 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 8.8 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
0.4 km
Hill Top — bus stop.
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
42.7dB

Night-time· 23:00 – 07:00
35.8dB







