15 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
About 15 Highlea Avenue
15 Highlea Avenue is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AD). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2022) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since June 2012. Between certificates, roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 78). Our model identifies extension potential, subject to local planning policy.
Across 2004–2023, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£554/sq ft) was about 15.8% above the typical sold price in the postcode. Last sale on file: £650,000 in May 2023.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Outside
- Private gardenRear
- DrivewayYes
Building
- Extension potentialPossible
Energy performance
15 Highlea Avenue's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 3 September 2032
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
15 Highlea Avenue has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
15 Highlea Avenue has more than doubled in price since the earliest registered sale in 2004.
£610,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 19 years.
£650,000
Growth on file: 4.7% per year over 19 years.
Sales timeline
4 May 2023Most recent
£650,000
+54.8%over 10 years13 September 2012
£420,000
+55.6%over 8 years7 April 2004
£270,000
Median price across the last 5 sales in HP10 9AD: £695,000 (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
£750,00018 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Feb 2023
£695,000
Versus other Highlea Avenue homes
15 Highlea Avenue is notably below the street on co₂ emissions.
Price per m²
£5,963
Street avg £5,992
Floor Area
109 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.8 t/year
Similar properties nearby
1 Aspen Road
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1 Birfield Road, Loudwater
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1 Cherrywood Gardens, Flackwell Heath
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1 Chiltern Green, Flackwell Heath
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1 Clay Close, Flackwell Heath
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1 Carrington Avenue, Flackwell Heath
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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







