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News

Be inspired with a visit to a show home for National Custom and Self Build Week

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Case Studies

Bath Street Collective Custom Build

Bath Street Collective Custom Build

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Planning for retirement with Potton

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Bakers Shaw

Bakers Shaw mixed build-method Passivhaus

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Beattie Passive house

Manx passive home

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Contemporary Timber Frame Home

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Passivhaus Family Farmhouse

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Steel Farm

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Merlin Haven

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Timber Frame Home, Ventnor

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Aldcliffe Yard, Lancaster

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Walthamstow Social Rent Scheme

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Prefabricated Passivhaus bungalow

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Cookham Dean, Berkshire

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Harvest House

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Bickleigh Eco Village, Devon

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Stoke-on-Trent Serviced Building Plots

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Forevergreen House

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Housing People Building Communities

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Sülzer Freunde, Cologne

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Manor Farm, Kirton

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Straw-baling, Perthshire

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Findhorn

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Almere, Holland

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Hockerton

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Top tips

George Clarke's
Top Tip

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Bakers Shaw mixed build-method Passivhaus

 

Background

The family wanted a large family home using a variety of build methods to create a spaciour five-bed family home, with a large basement providing the additional living space that the family wanted. In addition to the house, the family wanted a garage and home office on site, but separate to the main home. The project was a replacement of a chalet bungalow, with a similar footprint and restricted ridge height.

Delivery

The house is located just outside Goring on Thames in the Chilterns on a large woodland and meadow plot. Sylva worked with the family to create a design that used a variety of build methods and materials to create a sub and superstructure that worked together as a harmonious whole. Sylva's offered a broad package of services, including piling, an insulated concrete formwork (ICF) basement, green oak, and a panellised timber frame, with proprietary roof and floor systems.

The house was designed to Passivhaus standards and incorporates a full ICF basement, Ever Green walls and an X-rafter roof system.

Sylva worked closely with the client to develop a build solution which allowed the client’s internal space aspirations to be matched with stringent building envelope performance requirements and a non-intrusive structural approach.

There are many green features inlcuded in the design, including photovoltaic roof tiles. The ICF basement includes a spacious home cinema.

Key watchpoints include the ICF design and interface with superstructure, reducing thermal bridging, airtightness detailing and integration of mechanical and electrical systems.
Sylva's site team handled the full erection works together with a number of first fix items. A good rapport with the client’s site team ensured a smooth construction programme with key milestones achieved as planned.

The home office building was constructed from green oak with a softwood timber first floor construction and timber cladding. Sylva worked closely with the carpenters to ensure an appropriate match between modern timber engineering requirements and traditional carpentry techniques.

Finance

Pefer not to say.

Finance

The build took 15 months to complete. 

Learning Points

  • Special care must be taken when working with a range of building approaches to ensure minimal thermal bridging, especially if working to Passivhaus standards.