11 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
About 11 Heath Lawn
11 Heath Lawn is a four-bedroom semi-detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9EX). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2025) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2018); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Period features are noted in the property record. Records show the property has been extended at some point in its history.
At 122 m² the property is well over the postcode median (87 m² across 16 EPCs), placing it in the larger end of the local stock. A recent sale: £450,000 in August 2025. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2025, sale prices on this property compounded at 5.9% per year. Today's modelled estimate of £506,000 is 12.4% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 40.9% above the typical sold price in the postcode.
Know exactly what you're buying at 11 Heath Lawn
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
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- GarageYes
Building
- Period featuresYes
- Previously extendedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Council records include a two-storey side extension at 11 Heath Lawn.
- Sept 2010ExtensionFullIn report
Extension: Two storey · Side of property
Householder application for two storey side extension
- Documents
- 9 docs on file
- Reference
- 10/06781/FUL
What's in 11 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
11 Heath Lawn has more than quadrupled in price since its earliest registered sale in 1997.
£506,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 28 years.
£450,000
Growth on file: 5.9% per year over 28 years.
Sales timeline
5 August 2025Most recent
£450,000
+97.8%over 20 years25 May 2005
£227,500
+28.5%over 3 years11 December 2001
£177,000
+98.9%over 4 years20 March 1997
£89,000
Median price across the last 5 sales in HP10 9EX: £440,000 (2024–2017).
Nearby sales in HP10 9EX
3 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
Sold Aug 2024
£450,00010 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
Sold Sept 2022
£440,0004 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
Sold Feb 2022
£650,0009 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
Sold Apr 2019
£330,00014 Heath Lawn, Flackwell Heath, High Wycombe, HP10 9EX
Sold Mar 2017
£373,000
Everything we know about 11 Heath Lawn, 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 Heath Lawn homes
Years Held for 11 Heath Lawn lags the street by a wide margin.
Price per m²
£3,689
Street avg £3,513
Floor Area
122 m²
Street avg 95 m²
Habitable Rooms
7 rooms
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.4 t/year
Similar properties nearby
1 Clay Close, Flackwell Heath
HP10 9BG
1 Chiltern Green, Flackwell Heath
HP10 9AJ
1 Chilterns Close, Flackwell Heath
HP10 9BB
1 Bracken Way, Flackwell Heath
HP10 9JX
1 Conway Close, Loudwater
HP10 9TR
1 Birfield Road, Loudwater
HP10 9TW
1 Cherry Rise, Flackwell Heath
HP10 9PS
1 Aspen Road
HP10 9FA
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
0.0 km
Rugwood Road — bus stop.
Closest school
0.6 km
Carrington Junior School. 15 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
54.0dB

Night-time· 23:00 – 07:00
46.5dB