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Get started12 Chiltern Avenue is a semi-detached house in High Wycombe (HP12 3UR). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2013) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 76). The latest certificate is from December 2013, so improvements made since then won't be reflected.
At 120 m² the property is well over the postcode median (73 m² across 29 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
12 Chiltern Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 14 Dec 2023
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Householder application for construction of rear dormer for proposed loft conversion to provide habitable accommodation, including a hip to gable roof extension
12 Chiltern Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£383,000
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 floor area, 12 Chiltern Avenue stands well clear of the street.
EPC Rating
59 (D)
Street avg 64 (D)
Floor Area
120 m²
Street avg 106 m²
CO₂ Emissions
5.4 t/year
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Rutland Avenue Shops — bus stop.

Daytime· 07:00 – 23:00
50.7dB

Extension: Part single, part two storey · Rear of property
Construction of part single / part two storey rear extensions to 12 & 14 Chiltern Avenue
Median price across the last 5 sales in HP12 3UR: £265,000 (2024–2018).
Street avg 4.6 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Closest school
0.4 km
Castlefield School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.0dB