Mallard House, Flat 9, The Millstream, London Road, High Wycombe, HP11 1AD
About Mallard House
Mallard House is a two-bedroom mid-terrace house in High Wycombe (HP11 1AD). It has a recorded floor area of 61 m² (around 657 sq ft), construction records dating it to 1983-1990 and council tax band C. At 61 m² this is the 6th 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. On EPC score it ranks first in the building (79 versus a worst of 59). Other recorded features include a balcony, a conservatory and outbuildings. The latest certificate (August 2023) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since January 2013. Between certificates, lighting went from Average to Very Good; while main heating dropped from Average to Poor. Main heating runs on electricity.
Untraded for 23 years, with the last transfer in June 2003. Today's modelled estimate of £244,000 is 42.3% above the 2003 sale price.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- EnsuiteYes
- StudyYes
- ConservatoryYes
Outside
- GarageYes
- BalconyYes
- OutbuildingsYes
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 3 August 2033
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has permanent outbuildings, 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 valuation sits well clear of the typical sold price in this postcode.
£244,000
Modelled from EPC, postcode comparables.
£171,500
Recorded with HM Land Registry.
Sales timeline
23 June 2003Most recent
£171,500
Median price across the last 5 sales in HP11 1AD: £245,000 (2025–2022).
Nearby sales in HP11 1AD
Mallard House, Flat 7, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Dec 2025
£245,000Mallard House, Flat 11, The Millstream, London Road, High Wycombe, HP11 1AD
Sold Oct 2025
£250,000Mallard 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
£267,500
Versus other The Millstream homes
Years Held for Mallard House runs comfortably ahead of the street norm.
Price per m²
£2,811
Street avg £3,627
Floor Area
61 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.2 t/year
Street avg 3.4 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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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






