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 18.3% above the typical sold price in the postcode. Last sale on file: £650,000 in May 2023.
Know exactly what you're buying at 15 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
- 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
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Planning history
15 Highlea Avenue has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
15 Highlea Avenue has more than doubled in price since the earliest registered sale in 2004.
£632,000
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: £750,000 (2025–2022).
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
£750,00018 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold Feb 2023
£695,00014 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
Sold May 2022
£825,000
Everything we know about 15 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
15 Highlea Avenue is notably below the street on co₂ emissions.
Price per m²
£5,963
Street avg £5,902
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 Cherrywood Gardens, Flackwell Heath
HP10 9AX
1 Aspen Road
HP10 9FA
1 Birfield Road, Loudwater
HP10 9TW
1 Conway Close, Loudwater
HP10 9TR
1 Chiltern Green, Flackwell Heath
HP10 9AJ
1 Chilterns Close, Flackwell Heath
HP10 9BB
1 Bracken Way, Flackwell Heath
HP10 9JX
1 Clay Close, Flackwell Heath
HP10 9BG
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