5 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
About 5 Highlea Avenue
5 Highlea Avenue is a four-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AD). It has a recorded floor area of 126 m² (around 1356 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (June 2018) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
One planning record on file: an extension approved in 2025. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. At 126 m² it's 15.6% larger than the typical home in the postcode (109 m² median across 11 EPCs). Today's modelled estimate of £854,000 is 19.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£527/sq ft) was about 15% above the typical sold price in the postcode. Sold November 2020 for £715,000.
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 10 June 2028
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 £1,360 · Includes VAT
Planning history
1 application on record at 5 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
- Jul 2025Garage ConversionFullOutcome in report
Extension: Single storey · Rear of property
Householder application for garage conversion to living accommodation and construction of single storey rear extension
Extension- Documents
- 8 docs on file
- Reference
- 25/05894/FUL
Unlock 5 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD'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- Every decision — granted, refused or withdrawn (1 on record)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 3 notable nearby
- The 8 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.
£854,000
Modelled from EPC, postcode comparables.
£715,000
Recorded with HM Land Registry.
Sales timeline
19 November 2020Most recent
£715,000
Median price across the last 5 sales in HP10 9AD: £650,000 (2025–2023).
Nearby sales in HP10 9AD
17 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Nov 2025
£500,0003 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Aug 2025
£815,00011 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Nov 2024
£540,0002 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Nov 2024
£750,00015 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold May 2023
£650,000
Versus other Highlea Avenue homes
Years Held for 5 Highlea Avenue runs comfortably ahead of the street norm.
Price per m²
£5,675
Street avg £6,021
Floor Area
126 m²
Street avg 112 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.3 t/year
Street avg 4.9 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
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.5 km
The Common — bus stop.
Closest school
0.5 km
Carrington Junior School. 11 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
46.7dB

Night-time· 23:00 – 07:00
38.3dB







