Mallard House, Flat 5, The Millstream, London Road, High Wycombe, HP11 1AD
About Mallard House
Mallard House is a two-bedroom end-of-terrace house in High Wycombe (HP11 1AD). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1983-1990 and council tax band C. At 58 m² this is the 2nd 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 (September 2015) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). Main heating runs on electricity. The latest certificate is from September 2015, so improvements made since then won't be reflected.
Most recent transfer: December 2022 at £282,500. Across the public record there are 6 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2000–2022, sale prices on this property compounded at 3.7% per year. On a £-per-square-foot basis, the last sale (£453/sq ft) was about 93.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- ParkingAllocated
Building
- Heating systemElectric
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 Expired
This certificate is over 10 years old and is no longer valid.Expired 14 Sept 2025
EPC Rating
Certificate validity
Expired on 14 September 2025
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
Latest sale on Mallard House was the highest on Land Registry record across the postcode.
£270,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 23 years.
£282,500
Growth on file: 3.7% per year over 23 years.
Sales timeline
15 December 2022Most recent
£282,500
+0.9%over 4 years19 April 2018
£280,000
+21.7%over 2 years29 January 2016
£230,000
+30.7%over 10 years21 April 2005
£176,000
+13.5%over 2 years8 October 2002
£155,000
+24.0%over 2 years25 May 2000
£124,950
Median price across the last 5 sales in HP11 1AD: £245,000 (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 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 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
Mallard House outperforms the street on price per m² by a wide margin.
Price per m²
£4,871
Street avg £3,421
Floor Area
58 m²
Street avg 62 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
4.4 t/year
Street avg 3.2 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






