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 £831,000 is 16.2% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£527/sq ft) was about 17% above the typical sold price in the postcode. Sold November 2020 for £715,000.
Know exactly what you're buying at 5 Highlea Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms2
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- Jul 2025Garage ConversionFullIn 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
What's in 5 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£831,000
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: £695,000 (2025–2023).
Nearby sales in HP10 9AD
3 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
£650,00018 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Feb 2023
£695,000
Everything we know about 5 Highlea Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Highlea Avenue homes
Price per m²
£5,675
Street avg £5,931
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
Similar properties nearby
1 Cherry Rise, Flackwell Heath
HP10 9PS
1 Bracken Way, Flackwell Heath
HP10 9JX
1 Chilterns Close, Flackwell Heath
HP10 9BB
1 Chiltern Green, Flackwell Heath
HP10 9AJ
1 Clay Close, Flackwell Heath
HP10 9BG
1 Cherrywood Gardens, Flackwell Heath
HP10 9AX
1 Aspen Road
HP10 9FA
1 Birfield Road, Loudwater
HP10 9TW
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising 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
The full 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