Passivhaus & retrofit blogs - Green Building Store Green Building Store

Denby Dale Passivhaus: 5 years on

Denby Dale Passivhaus at dusk

“It’s been and continues to be a fascinating and rewarding learning experience over the last five years. We are convinced that Passivhaus will continue to grow because it is a WIN WIN WIN situation.” Geoff and Kate Tunstall report on life in the Denby Dale Passivhaus five years on.

21st September 2015

Cumberworth radical retrofit: Ground floor and intermediate floors

Parging between intermediate floors at Cumberworth radical retrofit

Bill Butcher explains detailing for ground and intermediate floors at the retrofit project., including airtightness and thermal bridging strategies.

24th June 2015

Cumberworth radical retrofit: Window reveals

Window reveal Kevothermal VIPs insulation at Cumberworth radical retrofit

Bill Butcher looks at space-saving solutions to reducing thermal bridging around window reveals at the retrofit project.

18th May 2015

International Passivhaus Conference 2015

Pablo Neruda Passivhaus Primary school, Leipzig

This year the International Passivhaus Conference was held in the city of Leipzig. It is one of the German municipal authorities committed to Passivhaus.

21st April 2015

Cumberworth retrofit: Internal wall insulation (IWI)

Internal Wall Insulation at Cumberworth radical retrofit

Bill Butcher looks at innovative approaches to Internal Wall Insulation (IWI) used at the retrofit project to minimise the dangers of interstitial condensation, including use of a new vapour open IWI material.

26th February 2015

Golcar Passivhaus: MVHR & heating

Golcar Passivhaus UK Passivhaus Award 2016 finalist

Bill Butcher looks at ways in which we dealt with the heating and MVHR strategy at Golcar Passivhaus, building on lessons learnt at the Denby Dale Passivhaus project.

19th January 2015

Cumberworth radical retrofit: ‘whole house’ retrofit for ‘hard-to-heat’ house

Conservatory outside thermal envelope at Cumberworth radical retrofit

Whole house retrofit for a ‘hard to heat’ property, designed using Passivhaus Planning Package

25th November 2014

Golcar Passivhaus: The roof

Rooflight at Golcar Passivhaus

Blog outlining the insulation & airtightness strategy for the warm ‘cathedral’ roof at the Golcar Passivhaus project, including rooflight strategy.

17th July 2014

Golcar Passivhaus: Windows & doors

Progression Passivhaus certified timber window at Golcar Passivhaus

Blog looking at the window and door detailing at the Golcar newbuild Passivhaus project, including measures to improve airtightness and thermal bridging.

9th June 2014

Golcar Passivhaus: Ground floor & foundations

Golcar Passivhaus ground floor and foundations detailing. Copyright Green Building Store 2014

Blog looking at the insulation and airtightness strategies used for the ground floor detailing at the Golcar Passivhaus cavity wall newbuild project.

9th May 2014
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