Technical Resources

Sheepridge Passivhaus


Green Building Store’s last in-house construction team project at Sheepridge, Huddersfield.

19th July 2023

Choppards Mill: Radical Retrofit


A radical retrofit to a three stories property constructed from sandstone and gritstone.

27th January 2023

Mill office radical retrofit

Mill building before retrofit

The cost-effective and pragmatic radical retrofit of warehouse space into a cosy and energy efficient office space.

20th April 2022

Marsden bungalow radical retrofit

PERFORMANCE triple glazed timber windows and doors at Marsden radical retrofit project

Radical retrofit project of a 1980s 3-bedroom bungalow in Marsden, West Yorkshire. The retrofit involves a hybrid mix of masonry and timber frame construction.

8th January 2022

Holmfirth farmhouse radical retrofit

Holmfirth Farmhouse before retrofit

Sharing the lessons of a whole house ‘deep’ retrofit project of 19th century farm buildings, that uses internal wall insulation strategies.

1st October 2020

Kirkburton Passivhaus

Kirkburton Passivhaus

Newbuild cavity wall project in the Huddersfield area, certified to the Passivhaus standard.

21st August 2018

Lower Royd radical retrofit

Lower Royds radical retrofit

FREE technical resources on ‘whole house’ radical refurbishment of a Yorkshire farmhouse and barn using innovative internal wall insulation (IWI) techniques.

6th June 2016

Warmer Homes: retrofit advice

Warmer Homes image

Advice on low energy retrofits to help householders improve the energy efficiency of their homes, including guidance on developing ‘whole house plans’ and ventilation strategies.

8th January 2016

Cumberworth radical retrofit

Cumberworth radical retrofit

Whole house ‘deep retrofit’ for a hard to treat home, using new internal wall insulation (IWI) techniques to reduce risk of ‘interstitial condensation’.

5th November 2015

Golcar Passivhaus

Golcar Passivhaus at dusk

Newbuild cavity wall Passivhaus, following many of the design details of our first cavity wall Passivhaus but with a few notable differences/ evolutions of the original detailing for Denby Dale.

5th November 2015

Affiliations & Accreditations