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Get started9 Chiltern Avenue is a detached house in High Wycombe (HP12 3UR). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1950-1966 and council tax band B. At 73 m² this is the 14th smallest of 30 units on EPC record in the building, where floor areas span 34–165 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 46). The latest certificate (September 2022) shows a C (score 77), near the top of the C band. When first surveyed in December 2008 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good; while wall efficiency dropped from Good to Average and main heating dropped from Very Good to Good.
One planning record on file: an extension approved in 2002. Past consents include an extension, meaningful when judging how the property has evolved.
Council records include a two-storey rear extension at 9 Chiltern Avenue.
Extension: Two storey · Rear of property
Erection of two storey rear extensions to both properties (retrospective)
9 Chiltern Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£204,000
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.
EPC Rating for 9 Chiltern Avenue runs comfortably ahead of the street norm.
EPC Rating
77 (C)
Street avg 69 (C)
Floor Area
73 m²
Street avg 60 m²
CO₂ Emissions
1.9 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

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in HP12 3UR: £265,000 (2024–2018).
Street avg 2.4 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Closest school
0.4 km
Castlefield School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.0dB