17 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD
About 17 Highlea Avenue
17 Highlea Avenue is a two-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AD). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (April 2024) shows a C (score 71). When first surveyed in January 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Poor to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 87). Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
At 67 m² it sits well below the postcode median (116 m² across 11 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 73% of similar EPCs). Across 2011–2015, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £536,000 is 21.8% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£610/sq ft) was about 37.9% above the typical sold price in the postcode. Last sold in July 2015, so it's been off the market for around 11 years.
Know exactly what you're buying at 17 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
- Bedrooms2
- Bathrooms1
Outside
- GarageYes
- Cul-de-sacYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Planning history
17 Highlea Avenue has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
Sales history & valuation
£536,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.7% per year over 4 years.
£440,000
Growth on file: 5.7% per year over 4 years.
Sales timeline
14 July 2015Most recent
£440,000
+27.5%over 4 years22 February 2011
£345,000
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 17 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
On floor area, 17 Highlea Avenue runs well behind the street norm.
Price per m²
£6,567
Street avg £5,842
Floor Area
67 m²
Street avg 118 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
2.4 t/year
Street avg 5.1 t/year
Similar properties nearby
1 Carrington Avenue, Flackwell Heath
HP10 9AL
1 Fassetts Road, Loudwater
HP10 9UW
1 Birfield Road, Loudwater
HP10 9TW
1 Conway Close, Loudwater
HP10 9TR
1 Cherry Corner, The Common, Flackwell Heath
HP10 9PA
1 Aspen Road
HP10 9FA
1 Brookside, Station Road, Loudwater
HP10 9TN
1 Cherrywood Gardens, Flackwell Heath
HP10 9AX
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