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Get started20 Copperfields is a detached house in High Wycombe (HP12 4AN). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (September 2020) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79).
One planning record on file: an extension approved in 2002. Past consents include an extension and a conservatory, 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).
20 Copperfields has an approved rear extension on the planning record.
20 Copperfields has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£551,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
On habitable rooms, 20 Copperfields stands well clear of the street.
EPC Rating
66 (D)
Street avg 70 (C)
Floor Area
104 m²
Street avg 105 m²
CO₂ Emissions
3.7 t/year
Street avg 3.7 t/year
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

Daytime· 07:00 – 23:00
49.4dB

Extension: Rear of property
Construction of rear conservatory
Median price across the last 5 sales in HP12 4AN: £540,000 (2025–2024).
Habitable Rooms
7 rooms
Street avg 6 rooms
Railway Bridge — bus stop.
Closest school
0.6 km
Millbrook Combined School. 12 schools nearby.
Night-time· 23:00 – 07:00
41.2dB