1 Grange Gardens, Grendon Underwood, Aylesbury, HP18 0UD
About 1 Grange Gardens
1 Grange Gardens is a five-bedroom detached house in Grendon Underwood, Aylesbury, Aylesbury (HP18 0UD). It has a recorded floor area of 172 m² (around 1851 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (November 2020) shows a C (score 72). When first surveyed in May 2017 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency dropped from Good to Average and main heating dropped from Average to Poor. The recommended improvements would push it to B (score 91). Main heating runs on electricity.
2 planning records sit against the property, 0 approved, 0 refused, 1 pending. An application is currently awaiting a decision. Across 2011–2020, sale prices on this property compounded at 3.9% per year. Today's modelled estimate of £968,000 is 12.6% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 29.8% above the typical sold price in the postcode. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Last sale on file: £860,000 in December 2020.
What this property has
Inside
- Bedrooms5
- Bathrooms3
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- GarageDouble
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Hot water system upgraded
Solar PV panels (35 kWp) and Solar water heating installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,495 · Includes VAT
Planning history
There is a planning application currently awaiting a decision.
2 applications on record at 1 Grange Gardens, Grendon Underwood, Aylesbury, HP18 0UD
1 live now- Aug 2011ExtensionOutlineOutcome in report
Extension: Rear of property
Certificate of lawfulness for proposed single storey rear extension and detached outbuildings
- Documents
- 11 docs on file
- Reference
- 11/01358/ACL
- More recent applications — locked
- OutbuildingDec 2025Decision
Unlock 1 Grange Gardens, Grendon Underwood, Aylesbury, HP18 0UD'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 2 applications on this property in full
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£968,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.9% per year over 10 years.
£860,000
Growth on file: 3.9% per year over 10 years.
Sales timeline
4 December 2020Most recent
£860,000
+45.8%over 9 years28 February 2011
£590,000
Median price across the last 3 sales in HP18 0UD: £605,000 (2020–2005).
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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
0.1 km
The Swan PH — bus stop.
Closest school
0.2 km
Grendon Underwood School. 1 school 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
42.0dB

Night-time· 23:00 – 07:00
35.6dB







