9 Clayfields, Penn, High Wycombe, HP10 8AT
About 9 Clayfields
9 Clayfields is a four-bedroom detached house in Penn, High Wycombe, High Wycombe (HP10 8AT). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (August 2025) shows a C (score 70). The rating has held steady at C across 2 certificates since January 2013. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
Most recent transfer was November 2025 at £700,000 — fresh data. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 136 m² it's 18.8% larger than the typical home in the postcode (115 m² median across 22 EPCs). Across 2013–2025, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£478/sq ft) was about 55.6% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- GarageYes
- Cul-de-sacYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 1 August 2035
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Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
2 applications on record at 9 Clayfields, Penn, High Wycombe, HP10 8AT
- Oct 2005DemolitionFullOutcome in report
Extension: Two storey
Demolition of existing garage and conservatory and construction of two storey rear extension and single storey side extension and erection of 1.8m boundary fence
Extension- Documents
- 16 docs on file
- Reference
- 05/07057/FUL
- More recent applications — locked
- FullFeb 2007Decision
Unlock 9 Clayfields, Penn, High Wycombe, HP10 8AT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 9 Clayfields was the highest on Land Registry record across the postcode.
£721,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 12 years.
£700,000
Growth on file: 4.1% per year over 12 years.
Sales timeline
20 November 2025Most recent
£700,000
+63.7%over 12 years12 September 2013
£427,500
Median price across the last 5 sales in HP10 8AT: £582,500 (2022–2020).
Nearby sales in HP10 8AT
23 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Nov 2022
£600,00045 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Jun 2022
£582,5008 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Jan 2022
£615,00012 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Aug 2020
£550,00037 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Feb 2020
£535,000
Versus other Clayfields homes
9 Clayfields is notably below the street on years held.
Price per m²
£5,147
Street avg £3,990
Floor Area
136 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.3 t/year
Similar properties nearby
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1 Greenridge, Penn
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Hazlemere Road — bus stop.
Closest school
0.4 km
Manor Farm Junior School. 18 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
46.7dB

Night-time· 23:00 – 07:00
38.4dB







