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.

  • WINNER – UK Passivhaus Awards 2015: ‘Retrofit Project’ category
  • Certified to the exacting EnerPHit  (Passivhaus retrofit) standard
  • Offers a template for historic and older buildings where it is important to conserve the outer appearance of the building.
  • ‘Box within a box’ design: super-insulated  timber frame structure  built inside the existing stone barn building ensures good airtightness and continuity of insulation.
  • Inner timber frame structure offers structural support to the original outer building through the use of specially adapted low thermal conductivity ‘wall connectors’.
  • Refurbished by Green Building Store’s construction division Green Building Company

Image Gallery

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During Construction

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Accreditations

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Yorkshire Wildlife Trust’s Cre8 Barn project at Stirley Community Farm near Huddersfield has involved the pioneering low energy retrofit of a derelict cow byre into an eco exemplar educational centre and space. The award-winning project has been certified as meeting the exacting EnerPHit standard (a variation of the low energy Passivhaus standard, specifically designed for retrofits).

A super-insulated  timber frame structure was built inside the existing stone barn building, preserving the outward appearance of the barn, whilst equipping it for 21st century levels of energy efficiency. The timber frame structure has the additional advantage of supporting and shoring up the original stone building.

The building work has been undertaken as a Design & Build project by Green Building Store’s construction division  Green Building Company, builders of the award-winning Denby Dale Passivhaus.


 

On site team

Green Building Company’s construction team included:

  • Jude Wilson, Site Manager
  • Steven Gruschka
  • Danny Reid
  • Andy Nuttall
  • Lee Donnachy

Client team

Yorkshire Wildflife Trust, Clients

Veolia Environmental Trust, Funding Partners

Design & technical team

The Cre8 Barn was a Design & build project led by Green Building
Store working in partnership with a fantastic team:

  • Bill Butcher, Project leader and Director, Green Building Store & Green Building Company
  • Chris Herring, Technical Advisor and Director, Green Building Store & Green Building Company
  • Paul Smith, Senior Construction technician, Green Building Store. PHPP modelling
  • Andrew Farr, MVHR Technical Manager, Green Building Store. MVHR system installation and commissioning.
  • Derrie O’Sullivan, Architect
  • Sue Heywood, Architect
  • Eco-Arc Architects: Pre-planning architectural drawings
  • Pete Warm, WARM low energy practice. EnerPHit certification
  • Stuart McCormick, Structural Engineer; SGM structural engineers

The project was certified to the EnerPHit standard using the component methodology:

  • Annual specific space heating demand: 33 kWh/m2/year
  • Annual specific primary energy demand: 136 kWh/m2/year
  • Airtightness of building envelope: 0.4 h-1 @n50

U values of individual building component thermal protection

External wall: 0.132 W/m2K

Floor slab: 0.108 W/m2K

Roof: 0.100 W/m2K

Windows: 0.78 W/m2K

Ventilation unit effective efficiency of heat recovery: 86.6%


Datasheets

Factsheet Cre8 Barn Stirley Farm EnerPHit  – download pdf

Specification guide Cre8 Barn Stirley Farm EnerPHit – download pdf

Video Gallery

The Cre8 Barn, Stirley Farm EnerPHit  project has won – and been shortlisted for –  a number of awards including:

Passivhaus Trust Awards 2015 WINNER Retrofit Category

UK Passivhaus Awards 2015

WINNER: Retrofit Projects

More information

Constructing Excellence Yorkshire & Humber Awards 2014

WINNER: The Legacy Award – Sustainability

More information

Huddersfield Civic Society Awards 2015

WINNER: Best Refurbishment Award

More information

RISE Awards 2015

Research / Innovation / Sustainability / Enterprise: “Celebrating Research and Development”

WINNER: Heritage Award for Restoration/ Retrofit

West Yorkshire LABC BUILDING Excellence Awards 2015

SHORTLISTED FOR: Sustainability Award

Yorkshire Post Environment Awards 2015

SHORTLISTED FOR: Built Environment Award

 

Testimonials

“I was delighted to see the project – it is great to see a farm building being restored to the highest environmental standards and put to community use. This will be a real model for the region and beyond – and hopefully will encourage many similar projects that can see historic non-residential put back into low-carbon emission use.”
Natalie Bennett, Leader of the Green Party of England & Wales

Andrew Cooper, Kirklees Councillor for Newsome Ward

Register here for a free technical briefing following all stages of the construction of the Stirley Farm EnerPHit. The technical briefing is available as a 30+ page pdf file, which will be emailed to you. There is also a short technical film which gives an overview of the key technical features of the project.


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