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Amazing Passivhaus Homes: 15 Stylish and Efficient Designs

Passivhaus house
(Image credit: Green Building Store)

A stringent certification of construction, the Passivhaus standard has pushed cutting-edge technologies and designs in the UK to the fore. 

With concepts that prioritise airtightness and a fabric first approach, the homes also feature renewable technologies, such as mechanical ventilation with heat recovery (MVHR) systems. 

Although wrongly associated with relatively boxy and uninspiring buildings, the strategies for constructing to such a high standard are adaptable to both the most contemporary or traditional designs — whatever aesthetic takes your fancy. 

Get inspired by the projects below which prove that energy efficient buildings can be both beautiful and full of innovation. 

While not all of the homes are Passivhaus certified, they meet the requirements, but have not been formally accredited. Either way, they show how to build a stunning home using passive design techniques.

For more on building to the standard, take a look at our ultimate guide to Passivhaus.

1. A Passivhaus on a Budget

passivhaus

(Image credit: Simon Maxwell)
About Passivhaus

The Passivhaus standard originated in Germany in the 1990s. A group of academics formalised the passive design techniques that have been used for centuries, such as insulating to high levels and positioning homes for solar gain. 

In short, Passivhaus homes need less than 30% of the energy for space heating than an equivalent house build to the current Building Regulations standards. 

Clever design allowed downsizer Elizabeth Sharp to build a Passivhaus mews house in South London at the fraction of the cost of buying in the area. 

RDA Architects designed and built the house with Elizabeth using structural insulated panels (SIPs) and triple (and in some places quadruple) glazing. 

With annual bulls of around £300, the super-insulated and airtight structure also features a small swimming pool with a load-bearing decking cover. 

(MORE: Structural Insulated Panels)

2. A Contemporary and Efficient Home

passivhaus

(Image credit: Quentin Lake)
Passivhaus Progress

Since its launch in 1990 with four houses in Darmstadt, there are now more than 1,000 certified Passivhaus buildings in the UK (as of 2018) and over 60,000 worldwide. 

After making the hard decision to knock down her much-loved childhood home (a chalet bungalow in Hertfordshire), Sarah MacLaren and Daniel Luhde-Thompson opted to self-build to Passivhaus standards. 

They worked with Tom Gresford of Gresford Architects to develop the plans through the detailed design and construction phases (Nicholas Tye Architects submitted the original plans to achieve outline planning permission). 

Key features of the timber frame house include: 

  • Warm 2,700K LED lighting throughout the house
  • Solar-heated underfloor heating
  • Rainwater harvesting that supplied the home's grey water
  • Recycled paper insulation
  • An MVHR system

3. Modern Efficiency Blends with Traditional Design

passivhaus

(Image credit: Tony Cooke)

Tony and Emma Cooke worked with Roderick James Architects to design their highly-efficient oak frame self-build. 

The couple chose new, thicker high spec SIPs which meant they didn't need to install a heat pump to warm the house, instead they solely reply on two woodburners. 

While they didn't end up applying for certification in the end as it was too pricey, the house most certainly delivers both style and performance. 

4. A Holistic Approach to Green Design

Passivhaus house

(Image credit: Green Building Store)

Designed by Architect Adrian Cooke. this Passivhaus-certified self-build in Powys demonstrates the need to take a holistic approach when optimising a property's thermal efficiency. 

Triple-glazed windows, thermally efficiency door units with dual compression seals and an MVHR system were provided by Green Building Store, as were countless essentials such as airtightness tapes and membranes. 

The house's minimalist combination of roughcast render and timber cladding reflects the need to respect the local vernacular, showing that a green build needn't compromise on aesthetics. 

5. A Dynamic Passivhaus Show Home

Potton's Passivhaus Show Home

(Image credit: c/o Potton)

Designed by package company Potton, this Passivhaus show home was designed using the Passivhaus Planning Package (PHPP) in association with HTA Design. Derived from a desire to flood the interior with natural daylight, a series of simple design moves creatively breaks down ‘the Passivhaus box’, employing large openings and a distinctive butterfly roof.

Central to the design is a top-lit enclosed ‘courtyard’ which sits at the heart of the building, filling the centre of the floorplan with natural daylight. A large south-facing opening on the ground floor has been maximised to benefit from solar gain, which, combined with other Passivhaus principles, helps to reduce the energy consumption of the house to 15kWh/m2/yr for heating. The roof overhang then protects this glazing from excessive solar gain and overheating of the interior during the summer, while maximising solar gain during the winter months.

The airtight building has been constructed using SIPs, is heavily insulated, and includes triple glazing and MVHR. Hot water is provided using a micro air source heat pump that is ducted to outside the property.

6. A Barn-Style Passivhaus

A Barn-Style Passivhaus

(Image credit: Gresford Architects )

This Passivhaus in Berkshire was built by Gresford Architects using a prefabricated timber frame, constructed off site and then erected on site to airtight stage within two weeks. Clad in vertical timber panels, the exterior façade nods to the traditional agricultural buildings in the area.

7. A Curved Passivhaus in Norfolk

Lime Tree Lodge Passivhaus

(Image credit: Parsons + Whittley Architects)

Sitting within a garden plot in Norfolk, Lime Tree Lodge challenges the conventional straight-lined form of typical Passivhaus projects, as it curves its way around a protected lime tree on the site. Built by Parsons + Whittley Architects as a retirement bungalow for homeowners Rob and Jane Young, the curved design positions the tree as the central focus for both the building and the garden.

Recognising that the tree could provide shade in the summer but allow sunlight through in winter, the opportunity for a large south-facing glazed wall for the sitting room, together with the client’s request for a low-energy building for their retirement, all led to the early adoption of the Passivhaus standard.

Built using masonry construction – selected as a result of labour availability and thermal mass – the property features brick cladding to the street-facing elevation which complements the adjacent inter-war and 1980s buildings. Siberian larch provides a softer aesthetic on the rear façade. Large overhangs on this south-facing elevation also provide protection against overheating.

8. A Low-Energy Masonry Passivhaus

low-energy Passivhaus

(Image credit: c/o Green Building Store)

After a four-year planning battle, Angela and Paul Dallas managed to self build their low-energy Passivhaus with the help of Green Building Store. Externally, the project has been finished in stone, which suited the cavity wall construction method — the use of a cavity wall also sat well within the comfort zone of the builders in the area. Cedar cladding adds interest and helps to break up the façade.

The full-height glazed bay window was problematic while building to Passivhaus standards (as homes perform better with flat elevations) but the bay was built with triple-glazed timber windows and insulated with polyurethane. 

9. A Contemporary Passivhaus in Somerset

Contemporary passivhaus kit house

(Image credit: Nigel Rigden)

This home was built in just four months as a turnkey project by German manufacturers Hanse Haus. The owners originally had plans to extend and update their draughty 1930s home, but realised it would be as cost-effective to build a new, highly efficient home instead. Building to Passivhaus standards has also given them incredibly low fuel bills and a constant internal temperature.

Despite the planning constraints of building in an Area of Outstanding Natural Beauty, they have managed to create a stylishly modern home. White rendered walls have been paired with a zinc roof, and large areas of glazing with external blinds for shading.

10. A Sloping Site Passivhaus

A Sloping Site Passivhaus

(Image credit: c/o Venner Lucas)

This contemporary Passivhaus was built on a sloping site in the Scottish borders. The home features a stone-clad frontage with a cedar-clad, glazed elevation to the rear. A roofstrip of glazing along the length of the building floods the interior with natural light and forms a glass division between the north and south elevations.

Due to high levels of insulation and airtightness, the only used source of heat in the house is a woodburning stove. Underfloor heating has been installed in the two bathrooms but has never been used — even when temperatures dropped to -16°C one winter. The owners have even included a special cat flap and letterbox to maintain airtightness.

11. A Carbon Negative Farmhouse

Sustainable farmhouse with MVHR unit

(Image credit: Andrew Lee)

This carbon negative home was built mostly from materials sourced from the 300-acre farm it sits on. Cladding was made from wind-felled oak tress and the dry stone wall from 500-tonnes of rock collected from the land. Turf from the site covers the Sarnafil flat roof, helping it camouflage with the landscape.

Layout has been influenced by passive solar gain, with the stunning views enjoyed through triple glazed windows. The 150mm thick sheep’s wool insulation has been shorn from the owners’ flock. A biomass stove, situated in the heart of the home, heats the interior stone wall, evenly distributing warmth.

12. A Passivhaus Farmhouse

Passivhaus in AONB

(Image credit: LEAP)

Positioned on an isolated site in the North Pennine Area of Outstanding Natural Beauty (AONB), Steel Farm Passivhaus has been built using traditional masonry construction with the design taking the form of a modern-day farmstead, clad in stone under a slate roof.

Built on a site without mains gas, the home – designed by Mark Siddall of LEAP: Lovingly Engineered Architectural Practice – is heated with small gas cylinders topped up with solar thermal panels for domestic hot water. AECB’s (Association for Environment Conscious Building) water standards informed the design and have minimised the demand for domestic hot water without compromising comfort. There’s also a reed bed system for the treatment of foul waste water.

Triple-glazed timber windows and doors from Green Building Store and a mechanical ventilation heat recovery (MVHR) system complete the project.

Each year Steel Farm has taken part in the International Passivhaus Open Day event, members of the public get to experience what a Passivhaus is really like. You can watch the popular documentary about the house, and get the opportunity to visit the Steel Farm, at passivhaussecrets.co.uk

13. An Oak Frame Lakehouse

A contemporary oak-framed lakehouse on a stunning conservation area plot

(Image credit: c/o Oakwrights)

Both passive and active eco features have been incorporated into the design of this Oakwrights home in Gloucestershire. The house has been set into the slope, with a large basement level that keeps the external volume of the home to a minimum, reducing heat loss.

The home has then been orientated so that significant areas of glass face south. Eco features are complemented by the use of untreated Siberian larch and a sedum roof for an organic look.

14. A Longhouse Style Home

A Longhouse Style Passivhaus

(Image credit: Douglas Gibb)

Built to replace an old cottage, this modern take on a rural longhouse is just one room deep. Glazing is limited on the northern elevation, with south-facing glazing bringing light (and warmth) into the home.

The house has been built using an innovative blockwork system – with 100mm of internal insulation blockwork – achieving a U value of just 0.12. The walls have been coated in a crisp white render, but the overall look takes cues from the local vernacular.

15. Energy Efficient Low-Carbon Home

Energy-Efficient Low-Carbon Home

(Image credit: Brett Charles)

Historic building materials have been paired with modern construction methods in this traditional style home with high energy efficiency. The owner is well known in building conservation circles, so it came as some surprise when he swapped their 17th century brick and flint home for a new build. However, the new home has an average heat demand of just 2.5kW, costing only £1.25 a day to run.

The combination of 300mm hemp/lime and hemp-fibre walls gives a U value of just 0.13. The walls are also vapour-permeable to regulate humidity and create a comfortable environment, which can be hard to achieve in such well-insulated, airtight homes.