Mallard House, Flat 12, The Millstream, London Road, High Wycombe, HP11 1AD
About Mallard House
Mallard House is a two-bedroom property in High Wycombe (HP11 1AD). It has a recorded floor area of 66 m² (around 706 sq ft), construction records dating it to 1991-1995 and council tax band C. At 66 m² this is the 12th 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 bottom. The latest certificate (April 2010) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). Main heating runs on electricity. The latest certificate is from April 2010, so improvements made since then won't be reflected.
Across 1998–2017, sale prices on this property compounded at 5.8% per year. On a £-per-square-foot basis, the last sale (£354/sq ft) was about 42.5% above the typical sold price in the postcode. Last changed hands 9 years ago, in February 2017.
What this property has
Inside
- Bedrooms2
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
Mallard House's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Apr 2020
EPC Rating
Certificate validity
Expired on 18 April 2020
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, 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
Sale price has at least doubled since 1998.
£249,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 19 years.
£250,000
Growth on file: 5.8% per year over 19 years.
Sales timeline
28 February 2017Most recent
£250,000
+31.9%over 9 years23 November 2007
£189,500
+115.3%over 9 years13 August 1998
£88,000
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
Floor Area for Mallard House runs comfortably ahead of the street norm.
Price per m²
£3,809
Street avg £3,527
Floor Area
66 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.1 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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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






