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 £699,000 is 19% 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.
Know exactly what you're buying at Lamphey
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- GarageIntegral
Building
- RefurbishedYes
Energy performance
EPC Rating
Planning history
A recent planning application at Lamphey was refused — worth checking the council file.
- Mar 2022Garage ConversionFullIn report
Extension: Single storey · Rear of property
Householder application for erection of single storey rear extension and conversion of garage to study/store
Extension- Documents
- 11 docs on file
- Reference
- 21/08569/FUL
- Dec 2021ExtensionOutlineIn 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
What's in Lamphey, Derehams Lane, Loudwater, High Wycombe, HP10 9RH's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£699,000
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
Everything we know about Lamphey, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

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
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising 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
The full 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