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Get started14 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 £546,000 is 27% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£392/sq ft) was about 29.3% above the typical sold price in the postcode. Last sold in June 2017, so it's been off the market for around 9 years.
14 Copperfields has 2 separate extension applications on the council record.
Extension: Single storey
Householder application for erection of single storey extensions to front & rear of dwelling
14 Copperfields valuation sits well clear of the typical sold price in this postcode.
£546,000
Modelled from EPC, postcode comparables.
£430,000
Recorded with HM Land Registry.
14 Copperfields is notably below the street on epc rating.
Price per m²
£4,216
Street avg £3,940
Floor Area
102 m²
Street avg 105 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
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

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Part single, part two storey · Rear of property
Householder application for construction of part single, part two storey rear extension
30 June 2017Most recent
£430,000
Median price across the last 5 sales in HP12 4AN: £540,000 (2025–2024).
CO₂ Emissions
5.7 t/year
Street avg 3.6 t/year
HP12 4EP
Railway Bridge — bus stop.
Closest school
0.6 km
Millbrook Combined School. 12 schools nearby.
Night-time· 23:00 – 07:00
41.2dB
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