Technical Resources

Lower Royd radical retrofit

Lower Royd retrofit

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

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.

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’.

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.

Cre8 Barn, Stirley Farm EnerPHit

Cre8 Barn exterior

Multi award-winning Passivhaus retrofit of a derelict barn into an eco exemplar education centre for Yorkshire Wildlife Trust.

Denby Dale Passivhaus

Denby Dale Passivhaus

First UK Passivhaus to be built with cavity wall construction and one of the first certified Passivhaus homes in the UK.

Affiliations & Accreditations