First UK Passivhaus to be built with cavity wall construction. • Design & build project led by Green Building Store. • Denby Dale, West Yorkshire • Private. The Case Study I have chosen is the Denby Dale Passivhaus. The rationale behind this decision was mainly due to the wealth of resources provided. Design Case Study. Denby Dale Passivhaus was built for a private client who wanted a three bedroom detached house, built to a strict budget of £, on an.

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In manufacture it uses a high content of recycled glass bottles and requires less overall energy consumption than some alternative products, resulting in less carbon emissions.

Minimising thermal bypass Thermal bypass refers to air movement through or around insulation, which dneby reduce its effectiveness.

Denby Dale Passivhaus: Derrie O’Sullivan

Subscribe to Archello’s newsletter. E2 Architecture The Larch House: We went away to a country cottage in Cornwall a couple of years ago.

Products used in this project. It was a steep learning curve for everyone and it took us denbg while to work it all out.

Denby Dale Passivhaus: 5 years on

One of our demby challenges is getting Passivhaus supported in Government. Earthwool DriTherm Cavity Slabs are flexible enough to eliminate air gaps and prevent heat loss due to their inherent ability to knit together at joints between the slabs.

Visitors have included Shadow Ministers, US Passivhaus Designers, schoolchildren, university students, building apprentices, self-builders and co-housing enthusiasts, architects, builders, Kirklees councillors and local MPs.


Today the house is a warm and comfortable 21 degrees inside, 10 degrees outside. Your email address will not be published.

This website uses cookies to ensure you get the best experience on our website. See how easily we could have solved the climate crisis if we had started in ! You have to experience the comfort of a Passivhaus for yourselves to understand how different it feels from a standard building.

The original design details developed for the project can also be used as a template for the construction industry as to how to minimize thermal bridging, improve energy efficiency and maximise the airtightness of projects built using cavity wall construction.

It allows for sufficient and comfortable ventilation to all areas of the house whilst minimising the loss of heat gained from the sun, human activity, cooking, showering, electrical appliances etc.

Hopefully this will come to fruition soon! For more information on Denby Dale, please click here.

Skip to main content. There are no draughts or uneven temperatures. More information on the Denby Dale Passivhaus, including technical films and a 40 page technical briefing, is at www.

Rather than using energy, ddnby is about making the most of the small energy that you need. Glass mineral wool was specified over rigid insulation to ensure a tight thermal fit. It wins on comfort, it wins on cost, it wins on sustainability.

Denby Dale Passivhaus: Derrie O’Sullivan

We use cookies on our website. Ecopassiv – Passivhaus compatible windows. Energy is not going to come down in price in the foreseeable future. Bill Butcher – Green Building Company. Facebook Twitter LinkedIn youtube. Super insulation is fundamental to Passivhaus construction, along with close attention around junctions of these elements. Another airtightness tape was used to seal the gap between the window and the dneby box. Passivhaus is up against various vested interests.


The way forward Passivhaus wins constantly in addressing fuel poverty, comfort and energy efficiency. It has super insulation and triple glazing on windows and doors combined with insulated timber frame all help to retain heat. denbj

Denby Dale Passivhaus: The UK’s first cavity wall Passivhaus Green Building Store

Passivhaus wins constantly in addressing fuel poverty, comfort and energy efficiency. We have always said that we wanted to make the Denby Dale Passivhaus available to visitors as a resource. Built by Green Building Store’s construction division – Green Building Company – the project is the first certified Passivhaus in the UK to be built using cavity wall construction and has pioneered the combination of British vernacular construction methods with the German low energy Passivhaus design methodology.

Whatever we do to it, the house runs along performing perfectly, hour after hour, day after day, year after year.