20 Derehams Lane, Loudwater, High Wycombe, HP10 9RH
About 20 Derehams Lane
20 Derehams Lane is a detached house in Loudwater, High Wycombe, High Wycombe (HP10 9RH). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (September 2018) shows a C (score 76), near the top of the C band. When first surveyed in May 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity.
At 176 m² the property is well over the postcode median (111 m² across 12 EPCs), placing it in the larger end of the local stock.
Energy performance
EPC Rating
Certificate validity
Valid until 17 September 2028
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
20 Derehams Lane has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Derehams Lane has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£842,000
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 HP10 9RH: £480,000 (2025–2021).
Nearby sales in HP10 9RH
12 Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Feb 2025
£665,0008a, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Jun 2024
£480,00013a, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Nov 2022
£300,0005 Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Aug 2021
£465,000Lamphey, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Apr 2021
£587,500
Versus other Derehams Lane homes
On habitable rooms, 20 Derehams Lane stands well clear of the street.
EPC Rating
76 (C)
Street avg 69 (C)
Floor Area
176 m²
Street avg 115 m²
CO₂ Emissions
3.0 t/year
Street avg 3.9 t/year
Habitable Rooms
9 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
59/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
The Papermill — bus stop.
Closest school
0.6 km
Loudwater Combined School. 12 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
55.2dB

Night-time· 23:00 – 07:00
48.3dB







