18 Gilbert House, Green Street, High Wycombe, HP11 2RL
About 18 Gilbert House
18 Gilbert House is a mid-terrace house in High Wycombe (HP11 2RL). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (April 2026) shows a C (score 73). The rating has held steady at C across 4 certificates since August 2011. Between certificates, wall efficiency went from Very Poor to Average and roof efficiency went from Poor to Good; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. At 48 m² this is the 10th smallest of 19 units on EPC record in the building, where floor areas span 42–75 m². The building's EPC ratings span D to B across 19 units on file.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 18 April 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation upgraded
Roof insulation improved
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
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Planning history
18 Gilbert House has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Gilbert House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£169,000
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 HP11 2RL: £125,000 (2019–2007).
Nearby sales in HP11 2RL
11 Gilbert House, Green Street, High Wycombe, HP11 2RL
Sold Feb 2019
£165,00010 Gilbert House, Green Street, High Wycombe, HP11 2RL
Sold Feb 2019
£125,0007 Gilbert House, Green Street, High Wycombe, HP11 2RL
Sold Sept 2014
£99,9506 Gilbert House, Green Street, High Wycombe, HP11 2RL
Sold Aug 2007
£102,5008 Gilbert House, Green Street, High Wycombe, HP11 2RL
Sold Aug 2004
£107,000
Versus other Green Street homes
EPC Rating
73 (C)
Street avg 74 (C)
Floor Area
48 m²
Street avg 53 m²
CO₂ Emissions
1.6 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Crime
228/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Oakridge Road — bus stop.
Closest school
0.3 km
Oakridge School. 20 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
51.0dB

Night-time· 23:00 – 07:00
40.3dB







