3 Clayfields, Penn, High Wycombe, HP10 8AT
About 3 Clayfields
3 Clayfields is a four-bedroom detached house in Penn, High Wycombe, High Wycombe (HP10 8AT). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (August 2016) shows a C (score 69), just inside the C band. When first surveyed in October 2010 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 85). The latest certificate is from August 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory.
One planning record on file: an extension approved in 2016. Past consents include an extension, a garage conversion and a porch, meaningful when judging how the property has evolved. Across 2000–2020, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £581,000 is 15% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£465/sq ft) was about 59.1% above the typical sold price in the postcode. Last sale on file: £505,000 in January 2020.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
- StudyYes
- ConservatoryYes
- FireplaceYes
Outside
- Private gardenRear
- GarageSingle
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Aug 2026
EPC Rating
Certificate validity
Expired on 21 August 2026
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
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Planning history
1 application on record at 3 Clayfields, Penn, High Wycombe, HP10 8AT
- May 2016Garage ConversionFullOutcome in report
Householder application for creation of garage conversion to utility room and play room with raised flat roof, infill existing covered area to form an entrance hall, new covered porch and increase width of car hardstanding
ExtensionPorch- Documents
- 8 docs on file
- Reference
- 16/05909/FUL
Unlock 3 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 (1 on record)
- All 1 application on this property in full
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
3 Clayfields has more than doubled in price since the earliest registered sale in 2000.
£581,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 19 years.
£505,000
Growth on file: 4.2% per year over 19 years.
Sales timeline
6 January 2020Most recent
£505,000
+41.1%over 7 years4 April 2012
£358,000
+58.2%over 11 years21 August 2000
£226,250
Median price across the last 5 sales in HP10 8AT: £600,000 (2025–2020).
Nearby sales in HP10 8AT
9 Clayfields, Penn, High Wycombe, HP10 8AT
Sold Nov 2025
£700,00023 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
£550,000
Versus other Clayfields homes
CO₂ Emissions for 3 Clayfields runs comfortably ahead of the street norm.
Price per m²
£5,000
Street avg £3,997
Floor Area
101 m²
Street avg 117 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.3 t/year
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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







