14 Copperfields, High Wycombe, HP12 4AN
About 14 Copperfields
14 Copperfields is a four-bedroom detached house in High Wycombe (HP12 4AN). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (September 2016) shows a D (score 56), a step below the typical UK home. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Average to Poor and roof efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 79). The home occupies a cul-de-sac position.
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Today's modelled estimate of £552,000 is 28.4% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£392/sq ft) was about 29% above the typical sold price in the postcode. Last sold in June 2017, so it's been off the market for around 9 years.
What this property has
Inside
- Bedrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenWest-facing
- GarageYes
- Cul-de-sacYes
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 Sept 2026
EPC Rating
Certificate validity
Expired on 13 September 2026
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
14 Copperfields has 2 separate extension applications on the council record.
2 applications on record at 14 Copperfields, High Wycombe, HP12 4AN
- Jun 2019ExtensionFullOutcome in report
Extension: Part single, part two storey · Rear of property
Householder application for construction of part single, part two storey rear extension
- Documents
- 9 docs on file
- Reference
- 19/05798/FUL
- More recent applications — locked
- ExtensionJan 2020Decision
Unlock 14 Copperfields, High Wycombe, HP12 4AN'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, plus 2 notable nearby
- The 14 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
14 Copperfields valuation sits well clear of the typical sold price in this postcode.
£552,000
Modelled from EPC, postcode comparables.
£430,000
Recorded with HM Land Registry.
Sales timeline
29 June 2017Most recent
£430,000
Median price across the last 5 sales in HP12 4AN: £585,000 (2025–2024).
Nearby sales in HP12 4AN
74 Copperfields, High Wycombe, HP12 4AN
Sold Aug 2025
£730,00046 Copperfields, High Wycombe, HP12 4AN
Sold Jul 2025
£465,00070 Copperfields, High Wycombe, HP12 4AN
Sold Mar 2025
£445,00015 Copperfields, High Wycombe, HP12 4AN
Sold Sept 2024
£585,00050 Copperfields, High Wycombe, HP12 4AN
Sold Jul 2024
£255,000
Versus other Copperfields homes
14 Copperfields is notably below the street on epc rating.
Price per m²
£4,216
Street avg £3,999
Floor Area
102 m²
Street avg 105 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 3.6 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
125/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Railway Bridge — bus stop.
Closest school
0.6 km
Millbrook Combined School. 12 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
49.4dB

Night-time· 23:00 – 07:00
41.2dB







