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11 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD

Extendable1 planning record
Property type
Detached
Bedrooms
3
Floor area
77 m²
829 sq ft
Energy rating
E
Score 47
Council tax
Band E
Tenure
Owner Occupied
Overview

About 11 Highlea Avenue

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

11 Highlea Avenue is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AD). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (September 2022) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump. Our model identifies extension potential, subject to local planning policy.

At 77 m² it sits well below the postcode median (116 m² across 11 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 82% of similar EPCs). On a £-per-square-foot basis, the last sale (£652/sq ft) was about 44.6% above the typical sold price in the postcode. Most recent transfer: November 2024 at £540,000. One historical planning record sits against the property in 2025.

Before you offer

Know exactly what you're buying at 11 Highlea Avenue

Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.

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Valuation

against the asking price

Risks

planning & flood

Sold prices

similar homes nearby

Trends

the local market

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms3
  • Dining roomYes

Outside

  • Private gardenRear
  • GarageYes

Building

  • Extension potentialPossible
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

Recommended upgrades on file would lift this property by multiple EPC bands.

EPC Rating

A
B
C
D
E
E47
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
5.6 t/year
Occupancy
Owner Occupied
Planning

Planning history

Applications and permits filed against 11 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD, sourced from the PlanIt planning register.
  1. Apr 2025
    ExtensionOutline
    In report

    Extension: Single storey · Rear of property

    Notification of proposed single storey rear extension; Depth extending from the original rear wall of 4.50 metres, a maximum height of 2.85 metres and an eaves height of 2.85 metres

    Documents
    6 docs on file
    Reference
    25/05645/HPDN
    View planning record

What's in 11 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD's planning history?

Refusals, disputes and full decisions on this property and nearby, in the report.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

11 Highlea Avenue valuation sits well clear of the typical sold price in this postcode.

Before you offer

Everything we know about 11 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?
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Preview of the full property report
On the street

Versus other Highlea Avenue homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

11 Highlea Avenue is notably below the street on epc rating.

Price per m²

£7,013

Street avg £5,797

Strongly above

Floor Area

77 m²

Street avg 117 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

5.6 t/year

Street avg 4.8 t/year

Strongly below
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the High Wycombe district page.

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP10 9AD from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP10 9AD

Daytime· 07:00 – 23:00

46.7dB

Low
Night-time road noise heatmap for HP10 9AD

Night-time· 23:00 – 07:00

38.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 11 Highlea Avenue, Flackwell Heath, High Wycombe, HP10 9AD. Each answer is also embedded as structured data for search engines.