12 Chiltern Avenue, High Wycombe, HP12 3UR
About 12 Chiltern Avenue
12 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.
Energy performance
12 Chiltern Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Dec 2023
EPC Rating
Certificate validity
Expired on 14 December 2023
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Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
2 applications on record at 12 Chiltern Avenue, High Wycombe, HP12 3UR
- Jan 2009ExtensionFullOutcome in report
Extension: Part single, part two storey · Rear of property
Construction of part single / part two storey rear extensions to 12 & 14 Chiltern Avenue
- Documents
- 11 docs on file
- Reference
- 08/07494/FUL
- More recent applications — locked
- Loft ConversionJan 2017Decision
Unlock 12 Chiltern Avenue, High Wycombe, HP12 3UR's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 8 notable nearby
- The 18 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
12 Chiltern Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£354,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in HP12 3UR: £265,000 (2024–2018).
Nearby sales in HP12 3UR
4 Chiltern Avenue, High Wycombe, HP12 3UR
Sold Dec 2024
£380,00028 Chiltern Avenue, High Wycombe, HP12 3UR
Sold Jul 2024
£310,0005 Chiltern Avenue, High Wycombe, HP12 3UR
Sold Jul 2022
£265,0007 Chiltern Avenue, High Wycombe, HP12 3UR
Sold Apr 2019
£200,00015 Chiltern Avenue, High Wycombe, HP12 3UR
Sold Nov 2018
£220,000
Versus other Chiltern Avenue homes
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
Street avg 4.6 t/year
Habitable Rooms
5 rooms
Street avg 6 rooms
Similar properties nearby
The neighbourhood at a glance
Crime
125/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Rutland Avenue Shops — bus stop.
Closest school
0.4 km
Castlefield School. 16 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
50.7dB

Night-time· 23:00 – 07:00
40.0dB







