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12 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ

Extendable1 planning record
Property type
Detached
Bedrooms
3
Bathroom
1
Floor area
212 m²
2282 sq ft
Energy rating
C
Score 74
Council tax
Band F
Tenure
Owner Occupied
Overview

About 12 Chapman Lane

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

12 Chapman Lane is a three-bedroom detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AZ). It has a recorded floor area of 212 m² (around 2282 sq ft), construction records dating it to 1950-1966 and council tax band F. The latest certificate (March 2021) shows a C (score 74). When first surveyed in September 2018 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Very Poor to Good, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good. The recommended improvements would push it to B (score 82). Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.

At 212 m² the property is well over the postcode median (139 m² across 16 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £969,000 sits 67.9% above the 2018 sale of £577,000. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: December 2018 at £577,000.

Before you offer

Know exactly what you're buying at 12 Chapman Lane

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
  • Bathrooms1

Outside

  • Private gardenRear
  • Corner plotYes

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.
Current Certificate(1 of 2)
Mar 2021

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.8 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Mar 2021from Sept 2018
EPC improved fromF35toC74
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Windows
Partial DoubleFull Double

Windows upgraded, improving insulation

Low Energy Lighting
70%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 12 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ, sourced from the PlanIt planning register.

12 Chapman Lane has an approved side and rear extension on the planning record.

  1. Jan 2019
    ExtensionFull
    In report

    Extension: Side and rear of property

    Householder application for part two storey side and part single storey rear extension

    Documents
    4 docs on file
    Reference
    18/08151/FUL
    View planning record

What's in 12 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ'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.

12 Chapman Lane valuation sits well clear of the typical sold price in this postcode.

Before you offer

Everything we know about 12 Chapman Lane, 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 Chapman Lane homes

Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.

12 Chapman Lane outperforms the street on habitable rooms by a wide margin.

Price per m²

£2,722

Street avg £4,312

Below

Floor Area

212 m²

Street avg 142 m²

Strongly above

Habitable Rooms

9 rooms

Street avg 6 rooms

Strongly above

CO₂ Emissions

4.8 t/year

Street avg 4.8 t/year

On par
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

0.1 km

Highlands — bus stop.

Closest school

0.3 km

Juniper Hill 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 9AZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP10 9AZ

Daytime· 07:00 – 23:00

50.1dB

Low
Night-time road noise heatmap for HP10 9AZ

Night-time· 23:00 – 07:00

40.7dB

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 12 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ. Each answer is also embedded as structured data for search engines.