6a, Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
About 6a
6a is a semi-detached house in Flackwell Heath, High Wycombe, High Wycombe (HP10 9AZ). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (October 2018) shows a C (score 76), near the top of the C band. The recommended improvements would push it to B (score 89).
Untraded for 19 years, with the last transfer in November 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 88 m² it sits well below the postcode median (140 m² across 17 EPCs), making it one of the more compact homes locally. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, an extension and a conservatory, meaningful when judging how the property has evolved. Today's modelled estimate of £673,000 is 46.3% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£486/sq ft) was about 69.2% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 2 October 2028
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Planning history
6a has an approved rear extension on the planning record.
3 applications on record at 6a, Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
- Jul 2009ConservatoryOutlineOutcome in report
Extension: Rear of property
Erection of rear conservatory.
Extension- Documents
- 8 docs on file
- Reference
- 09/05841/CLP
- More recent applications — locked
- Tree WorksNov 2016Decision
- Tree WorksMay 2010Decision
Unlock 6a, Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 3 notable nearby
- The 17 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£673,000
Modelled from EPC, postcode comparables.
£460,000
Recorded with HM Land Registry.
Sales timeline
23 November 2007Most recent
£460,000
Median price across the last 5 sales in HP10 9AZ: £740,000 (2025–2021).
Nearby sales in HP10 9AZ
10 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
Sold Jan 2025
£716,00013 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
Sold Oct 2024
£900,00025 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
Sold Oct 2022
£667,00014 Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
Sold Dec 2021
£870,0005b, Chapman Lane, Flackwell Heath, High Wycombe, HP10 9AZ
Sold Sept 2021
£740,000
Versus other Chapman Lane homes
Floor Area for 6a lags the street by a wide margin.
Price per m²
£5,227
Street avg £4,213
Floor Area
88 m²
Street avg 146 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.2 t/year
Street avg 4.8 t/year
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The neighbourhood at a glance
Crime
59/mo
Falling 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
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.1dB

Night-time· 23:00 – 07:00
40.7dB







