Passivhaus & retrofit blog

Mill building office radical retrofit: Materials, Fittings and Furniture

This Summer, our MVHR team got a new home. Over the last five months, we have completed a radical retrofit of the Mill Building Unit, aka unit 4, at our …

20th September 2022

Mill building office radical retrofit: Heating & ventilation

Mill office radical retrofit MVHR design 1

Blog outlining the heating and ventilation strategies for Green Building Store’s mill office radical retrofit project. The MVHR ventilation strategy has included ‘displacement ventilation’ approaches.

26th April 2022

Masonry cavity wall construction: Embodied energy & buildability

Embodied carbon comparison image

Blog exploring the embodied and whole life carbon for cavity wall construction in comparison with other construction types, drawing on PHribbon research.

25th April 2022

Preventing overheating – without the need for ‘active cooling’

Icecream cone

Blog giving an overview of ways to prevent overheating., without needing to resort to ‘active cooling’ strategies.

19th April 2022

Mill building office radical retrofit: Floors & windows

PERFORMANCE triple glazed timber window at Mill office retrofit

Blog on mill office retrofit project looking at the floor & window detailing especially focusing on continuity of insulation and airtightness.

28th March 2022

Marsden bungalow radical retrofit: It’s a wrap

Internal wall insulation at Marsden radical retrofit project

Blog including completed photos and an overview of the retrofit project’s IWI, floor and heating & ventilation strategies.

23rd March 2022

Mill office radical retrofit: A ‘box within the box’

Heath House Mill retrofit

Green Building Store’s building team is undertaking a retrofit of a mill building to turn it into an energy efficient and comfortable office space. Read the first blog on the project, outlining the ‘box within a box’ timber frame strategy.

1st March 2022

Marsden bungalow radical retrofit: The timber frame roof

Solitex Plus and Solitex WA windtight membranes

As described in our previous blog, the timber frame upper storey was connected to our masonry ground floor, We worked closely with timber frame manufacturer SMS Timber Frame, a local …

3rd February 2022

Marsden bungalow radical retrofit: Joining the two storeys together

Extension junction detailing at Marsden bungalow radical retrofit

Blog by Green Building Store Director Bill Butcher looking at the crucial junction between the two storeys on a hybrid masonry/ timber frame bungalow radical retrofit project.

8th January 2022

Marsden bungalow radical retrofit: Timber frame/ masonry hybrid

Architectural drawings of Marsden retrofit project

Our building team is currently on-site working on a really interesting retrofit project, which is involving the addition of an extra floor to a 1980s 3-bedroom bungalow in the village …

23rd October 2021

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