Mallard House, Flat 11, The Millstream, London Road, High Wycombe, HP11 1AD
About Mallard House
Mallard House is a two-bedroom semi-detached house in High Wycombe (HP11 1AD). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1983-1990 and council tax band C. At 60 m² this is the 5th smallest of 13 units on EPC record in Mallard House, where floor areas span 55–70 m². The building's EPC ratings span D to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (July 2024) shows a C (score 70). When first surveyed in February 2013 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good, lighting went from Average to Very Good and main heating went from Poor to Average. Main heating runs on electricity.
It changed hands recently, sold October 2025 for £250,000. Across 1998–2025, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£387/sq ft) was about 54.7% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Communal gardenYes
- ParkingAllocated
- BalconyYes
Building
- Heating systemGas
Everything you need to know about Mallard House
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 17 July 2034
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
Mallard House has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Mallard House has more than tripled in price since its earliest registered sale in 1998.
£257,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 27 years.
£250,000
Growth on file: 4.2% per year over 27 years.
Sales timeline
9 October 2025Most recent
£250,000
+11.1%over 3 years16 June 2022
£225,000
+75.8%over 20 years31 October 2001
£128,000
+56.1%over 3 years25 June 1998
£82,000
Median price across the last 5 sales in HP11 1AD: £267,500 (2025–2017).
Nearby sales in HP11 1AD
Mallard House, Flat 7, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Dec 2025
£245,000Mallard House, Flat 15, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Jun 2025
£245,000Mallard House, Flat 5, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Dec 2022
£282,500Mallard House, Flat 3, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Nov 2017
£267,500Mallard House, Flat 12, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Feb 2017
£250,000
Versus other The Millstream homes
Price per m² for Mallard House runs comfortably ahead of the street norm.
Price per m²
£4,167
Street avg £3,491
Floor Area
60 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.3 t/year
Everything you need to know about Mallard House
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee

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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
228/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Cricket Ground — bus stop.
Closest school
0.8 km
Hannah Ball Academy. 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
50.0dB

Night-time· 23:00 – 07:00
40.5dB






