Mallard House, Flat 8, The Millstream, London Road, High Wycombe, HP11 1AD
About Mallard House
Mallard House is an end-of-terrace house in High Wycombe (HP11 1AD). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1991-1995 and council tax band C. At 63 m² this is the 8th 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. The latest certificate (August 2021) shows a C (score 74). When first surveyed in May 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Average and lighting went from Poor to Very Good. Main heating runs on electricity.
Last sold in October 2013, so it's been off the market for around 13 years. Across 1998–2013, sale prices on this property compounded at 4.4% per year. Today's modelled estimate of £246,000 is 40.6% above the 2013 sale price.
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 23 August 2031
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Window efficiency improved
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 valuation sits well clear of the typical sold price in this postcode.
£246,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 15 years.
£175,000
Growth on file: 4.4% per year over 15 years.
Sales timeline
7 October 2013Most recent
£175,000
+88.3%over 14 years22 July 1999
£92,950
+1.6%over 1 year16 July 1998
£91,500
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
On price per m², Mallard House runs well behind the street norm.
Price per m²
£2,778
Street avg £3,630
Floor Area
63 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.8 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.
Pick your report · from £14.99
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






