18 Copperfields, High Wycombe, HP12 4AN
About 18 Copperfields
18 Copperfields is a four-bedroom detached house in High Wycombe (HP12 4AN). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (March 2011) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 66). The latest certificate is from March 2011, so improvements made since then won't be reflected.
At 120 m² the property is well over the postcode median (91 m² across 51 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2002. Past consents include an extension, meaningful when judging how the property has evolved. Across 1996–2017, sale prices on this property compounded at 6.7% per year. Today's modelled estimate of £552,000 is 17.4% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£364/sq ft) was about 20% above the typical sold price in the postcode. Last sold in August 2017, so it's been off the market for around 9 years.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- GarageYes
Building
- Central heatingYes
Energy performance
18 Copperfields sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Mar 2021
EPC Rating
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Planning history
18 Copperfields has an approved single-storey rear extension on the planning record.
1 application on record at 18 Copperfields, High Wycombe, HP12 4AN
- Dec 2002ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Construction of single storey rear extension
- Documents
- 4 docs on file
- Reference
- 02/07414/FUL
Unlock 18 Copperfields, High Wycombe, HP12 4AN's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 4 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Copperfields has more than tripled in price since its earliest registered sale in 1996.
£552,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 21 years.
£470,000
Growth on file: 6.7% per year over 21 years.
Sales timeline
10 August 2017Most recent
£470,000
+291.8%over 21 years25 June 1996
£119,950
Median price across the last 5 sales in HP12 4AN: £540,000 (2025–2024).
Nearby sales in HP12 4AN
74 Copperfields, High Wycombe, HP12 4AN
Sold Aug 2025
£730,00070 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
£255,00030 Copperfields, High Wycombe, HP12 4AN
Sold Apr 2024
£540,000
Versus other Copperfields homes
On co₂ emissions, 18 Copperfields runs well behind the street norm.
Price per m²
£3,916
Street avg £3,949
Floor Area
120 m²
Street avg 105 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
6.9 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
8/mo
Steady 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







