Annexe, 13 The Coppice, Booker, High Wycombe, HP12 4SA
About Annexe
Annexe is a semi-detached house in Booker, High Wycombe, High Wycombe (HP12 4SA). It has a recorded floor area of 25 m² (around 264 sq ft), construction records dating it to 1991-1995 and council tax band A. The latest certificate (August 2011) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The latest certificate is from August 2011, so improvements made since then won't be reflected.
At 25 m² it sits well below the postcode median (98 m² across 11 EPCs), making it one of the more compact homes locally.
Energy performance
Annexe's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 30 Aug 2021
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
Annexe has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Annexe has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£180,000
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 4SA: £510,500 (2025–2022).
Nearby sales in HP12 4SA
5 The Coppice, Booker, High Wycombe, HP12 4SA
Sold Jul 2025
£510,5002 The Coppice, Booker, High Wycombe, HP12 4SA
Sold Feb 2025
£455,0003 The Coppice, Booker, High Wycombe, HP12 4SA
Sold Nov 2023
£600,00016 The Coppice, Booker, High Wycombe, HP12 4SA
Sold Aug 2023
£491,0001 The Coppice, Booker, High Wycombe, HP12 4SA
Sold Feb 2022
£585,000
Versus other The Coppice homes
On floor area, Annexe runs well behind the street norm.
EPC Rating
67 (D)
Street avg 59 (D)
Floor Area
25 m²
Street avg 104 m²
CO₂ Emissions
1.3 t/year
Street avg 5.0 t/year
Habitable Rooms
2 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Squirrel Lane — bus stop.
Closest school
0.6 km
Booker Hill Primary School & Nursery. 13 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
52.8dB

Night-time· 23:00 – 07:00
44.2dB







