Farmhouse radical retrofit, Yorkshire Green Building Store

Farmhouse radical retrofit, Yorkshire

ULTRA triple glazed timber windows at Lower Royd radical retrofit
Doing such a big overhaul/ building project is always stressful but Green Building Store were great to work with, the on site team, the office support and the management team. We had regular meetings and could raise issues whenever, feeling we could work through issues with trust and integrity to the very end.

Clients

We now live in the house we could have only dreamed of, right on the edge of the Yorkshire Moors with amazing views in the amazing luxury and comfort of a warm airtight home full of natural light. Thank you all at Green Building Store.

Clients

Two key things we’ve noticed from the triple glazed windows and doors are the  quietness and the warmth. We live high up on the moors  but the glazing means that we’re hardly aware of the weather outside, even when it’s a howling gale outside. The triple glazing means there are no draughts or cold coming from the windows, contributing to the general warmth of the house.

Clients

And…the windows and doors look really good.

Clients

The MVHR system is easy to live with and manage. It just does what it does in the background, so quietly that we don’t notice that it’s there.

Clients

The Lower Royd radical retrofit is a ‘whole house’ refurbishment of a Yorkshire farmhouse and barn. The project employed a whole house strategy and developed innovative solutions for internal wall insulation for hard-to-treat properties. 

Green Building Store’s ULTRA triple glazed timber windows and doors and PAUL Novus 300 MVHR system were chosen for the project.

Building & consultancy services

Green Building Store’s construction arm Green Building Company undertook the extensive whole house refurbishment of the farmhouse, supported by Green Building Store’s consultancy services

The clients commented:

“Doing such a big overhaul/ building project is always stressful but Green Building Store were great to work with, the on site team, the office support and the management team. We had regular meetings and could raise issues whenever, feeling we could work through issues with trust and integrity to the very end.

We now live in the house we could have only dreamed of, right on the edge of the Yorkshire Moors with amazing views in the amazing luxury and comfort of a warm airtight home full of natural light. Thank you all at Green Building Store.”

MVHR – mechanical ventilation with heat recovery

The PAUL Novus 300 MVHR unit with rigid steel ducting were chosen for the project. As is often the case in retrofits, the routing of the ducting can be difficult due to traditional solid timber joists presenting physical barriers, another challenge is fitting the equipment in as the buildings were not originally designed with MVHR in mind. In this case the main route of ducting was situated along the apex of the roof which is boxed in with a false ceiling. The clients originally wanted the timbers on the apex revealed but this was a necessary compromise to house the ducting.

The ducting system is laid out in a root and branch design with (boxed in) ducting branches dropping down to the first floor joist zone at four locations. We always recommend the use of rigid ducting systems where possible, even in retrofits. The internal face of the ducting is smooth and has a lower resistance than most other ducting types therefore a lower pressure drop. The rigid steel ducting also offers greater longevity over other ducting types, as outlined in a recent CIBSE report.

The clients commented:

“The MVHR system is easy to live with and manage. It just does what it does in the background, so quietly that we don’t notice that it’s there.”

 

Triple glazed timber windows & doors

ULTRA triple glazed timber windows and doors (the outward opening, solid frame version with Uw value of 0.75 W/m2K) have been selected for the project with Compacfoam 200 insulation being used to minimise thermal bridging on the door thresholds.

The Barn and old stone farmhouse had a lot of window and door openings, some of which were blocked up and in some cases  new openings were created, where the design required it. In some of the openings new stone surrounds were added to match the existing.

Airtightness tapes were also used extensively when installing the windows. All the windows were taped to the parged wall, using Pro Clima Contega Solido SL, prior to the Diathonite internal wall insulation being applied.The stone lintels of the windows obviously create quite a significant thermal bridge unless the window reveals are insulated. For this project, there was the space to add thicker insulation around the window reveals and so Diathonite IWI insulation was used around the window reveals, which helped reduce the thermal bridging at that point and also helps to  create the ‘cottagey’ look.

The clients commented:

“Two key things we’ve noticed from the triple glazed windows and doors are the  quietness and the warmth. We live high up on the moors  but the glazing means that we’re hardly aware of the weather outside, even when it’s a howling gale outside. The triple glazing means there are no draughts or cold coming from the windows, contributing to the general warmth of the house. It is great not having condensation on the windows as well – in fact we only get it on the outside of the windows now. And lastly, the windows and doors look really good.”

 

22nd January 2019

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