11a, Derehams Lane, Loudwater, High Wycombe, HP10 9RH
About 11a
11a is a five-bedroom detached house in Loudwater, High Wycombe, High Wycombe (HP10 9RH). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (January 2018) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
Across 1997–2018, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £613,000 is 19% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£427/sq ft) was about 30.8% above the typical sold price in the postcode. On the market in June 2018 and unlisted since — roughly 8 years.
What this property has
Inside
- Bedrooms5
- Bathrooms3
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 8 January 2028
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Planning history
11a 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
11a has more than tripled in price since its earliest registered sale in 1997.
£613,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 21 years.
£515,000
Growth on file: 5.8% per year over 21 years.
Sales timeline
27 June 2018Most recent
£515,000
+221.9%over 20 years26 November 1997
£160,000
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 price per m², 11a stands well clear of the street.
Price per m²
£4,598
Street avg £3,268
Floor Area
112 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.6 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







