Lamphey, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
About Lamphey
Lamphey is a four-bedroom detached house in Loudwater, High Wycombe, High Wycombe (HP10 9RH). It has a recorded floor area of 142 m² (around 1528 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (April 2025) shows a C (score 77), near the top of the C band. The recommended improvements would push it to B (score 86).
2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. At 142 m² it's 27.9% larger than the typical home in the postcode (111 m² median across 12 EPCs). Across 2015–2021, sale prices on this property compounded at 3% per year. Today's modelled estimate of £677,000 is 15.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£384/sq ft) was about 21.3% above the typical sold price in the postcode. Most recent transfer: April 2021 at £587,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- GarageIntegral
Building
- RefurbishedYes
Energy performance
EPC Rating
Certificate validity
Valid until 4 April 2035
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Planning history
A recent planning application at Lamphey was refused — worth checking the council file.
2 applications on record at Lamphey, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
- Dec 2021ExtensionOutlineOutcome in report
Extension: Single storey · Rear of property
Certificate of Lawfulness for proposed single storey rear extension and dormer window on North-East elevation
- Documents
- 9 docs on file
- Reference
- 21/08034/CLP
- More recent applications — locked
- Garage ConversionMar 2022Decision
Unlock Lamphey, Derehams Lane, Loudwater, High Wycombe, HP10 9RH'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- Every decision — granted, refused or withdrawn (2 on record)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 3 notable nearby
- The 20 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£677,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.0% per year over 6 years.
£587,500
Growth on file: 3.0% per year over 6 years.
Sales timeline
22 April 2021Most recent
£587,500
+18.7%over 5 years4 August 2015
£495,000
Median price across the last 5 sales in HP10 9RH: £480,000 (2025–2018).
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
£465,00013 Derehams Lane, Loudwater, High Wycombe, HP10 9RH
Sold Jul 2018
£580,000
Versus other Derehams Lane homes
Lamphey outperforms the street on epc rating by a wide margin.
Price per m²
£4,137
Street avg £3,325
Floor Area
142 m²
Street avg 118 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 3.8 t/year
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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







