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Green Building Store


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01484 461705

  • Sliding sash
  • Sliding sash
  • Alphawin
  • Alphawin
  • Ecoplus3
  • Alphawin
  • Ecoplus3
  • Ecoplus3
  • Ecoplus3
  • Ecocontract
  • Ecocontract
  • ecoclad tilt and turn windows
  • ENERsign
  • Ecopassiv
  • Alu2wood
  • Frostkorken
  • MVHR systems
  • Water Saving Products
  • Insulating a loft
  • Insulation Products

Green Building Store Company Profile

Green Building Store is a specialist in the manufacture and supply of innovative products for sustainable, low energy buildings. The product range includes FSC certified timber windows and doors, water saving products, natural building materials and Passivhaus products. The company is at the forefront of the development of products which offer solutions for tackling climate change and delivering Passivhaus products and design to the UK market.

The products provide practical and reliable solutions that assist in preserving energy and water and minimise the impact on the environment. For customers developing a Passivhaus project, looking to satisfy the Code for Sustainable Homes requirements, or carrying out a refurbishment of an existing property, Green Building Store can offer the right solution.


Green Building Store provides technical support and advice across a broad selection of specialist products ranging from high performance windows and doors through to water-saving WCs and urinals. Being a leading provider of Passivhaus products, the company can also offer free technical resources, CPDs and training, specialist MVHR design services and building services including new-build developments, eco-refurbishments, energy and insulation, Passivhaus design and build and Listed Building services through the construction division.

Windows and Doors

Green Building Store offers a broad selection of windows and doors for new-build and refurbishment projects. The ranges provide a variety of features and options to suit specific requirements and include:

  • Ecoplus3: Ecoplus3 is a triple glazed, outward opening system manufactured in Yorkshire from 100% FSC oak or redwood timber and is finished with natural plant-oil based finishes. The BFRC "A" rated windows, doors and solar spaces are ideal for residential, commercial and public sector buildings.
  • Ecocontract: Ecocontract redwood or oak timber windows and doors are available in double/triple glazed options and are Secured by Design certified. Ecocontract is ideal for housing associations, social housing, homes, schools and commercial developments. Ecocontract is also available as a triple glazed sliding-sash window.
  • Ecoclad: Ecoclad is an aluminium/timber composite system which provides a range of durable and low maintenance windows and doors for commercial and public sector buildings. Ecoclad is compliant with Secured by Design requirements.
  • Ecopassiv: Ecopassiv high performance triple glazed windows and doors offer a U-value of 0.75W/m2k and are suitable for Passivhaus, low energy and Code for Sustainable Homes buildings.
  • ENERsign: ENERsign is a range of timber fibreglass composite windows and doors which offer slim and elegant sightlines, triple glazing and low maintenance frames. This Passivhaus Institute certified range has a U-value of 0.65W/m2k.
  • Alphawin: Alphawin timber aluminium composite windows feature wood fibre insulation within the frame, triple glazing and slim frames with a U-value of 0.68W/m2k.
  • Alu2wood: Alu2wood timber aluminium composite windows and doors are Passivhaus Institute certified and feature thermal-bridge-free connection, triple glazing and a U-Value of 0.77W/m2k. Options include tilt and slide doors, inward opening doors and tilt and turn, tilt only and side hung windows.
  • Frostkorken: Frostkorken timber doors incorporate natural cork within the frame for minimising thermal bridging. The doors offer a U-value of 0.72W/m2k.

MVHR Ventilation

MVHR (Mechanical Ventilation with Heat Recovery), also known as comfort ventilation, is a vital component within the design of a Passivhaus low energy building. Green Building Store is a supplier of PAUL MVHR systems which offer heat recovery rates of up to 94.4%. A specialist design service is available to assist customers in maximising operational efficiency. The portfolio also includes ducting systems and MVHR components, air valves and attenuators and MVHR filters.

Water Saving Products

The broad selection of water saving products is designed to lower water bills and aid specifiers in meeting compliance for the Code for Sustainable Homes, BREEAM and AECB Water Standards requirements. The range includes WC siphons and valves, waterless urinals, basin and kitchen taps with flow regulators, basins, showers with water saving flow regulators and showerheads, bidets, flow regulators and garden water butts. Also available is a Washroom collection for simple water-saving solutions in schools, supermarkets, visitor centres and transport hubs which includes WCs with Doc M packs, Airflush urinal systems, Ifo counter-top basins, lever operated taps, self-closing taps and push-action self-closing taps.


Effective insulation can reduce energy lost from a building envelope, minimising energy consumption and carbon dioxide being released into the air. Green Building Store provides insulation products for lofts, sloping ceilings and wall and floor spaces. The range of natural insulation products are fabricated in the UK and include:

  • Thermafleece Eco Roll: Eco Roll is made from 75% wool and recycled polyester and is a compressed insulation roll for small spaces such as lofts.
  • Thermafleece Hemp: Thermafleece Hemp is made from UK hemp and plant fibre and is ideal for roofs, walls and floors.
  • Thermafleece Original: Made from 85% wool, Thermafleece Original is BBA approved and suitable for roof, wall and floor applications.
  • Thermafleece TF35: TF35 is 50% denser than Thermafleece Original and is ideal for limited space applications.
  • Warmcel 100: Warmcel 100 is a ready to fit cellulose fibre loft insulation which is safe and easy to install and made from recycled newspapers. Warmcel can be used to complement existing insulation or as a complete insulation.

Airtightness Products

Green Building Store offers a wide range of airtightness products to aid the construction of airtight and windtight buildings, whilst reducing condensation within structural elements and encouraging vapour diffusion. Products include interior and exterior membranes, tapes, adhesives, grommets, pipework seals and accessories. All the products are backed up by expert technical expertise from the team at Green Building Store.

Wall Ties

Wall ties are a vital component in the strength and stability of cavity walls and the Teplo range of basalt fibre wall ties minimise heat transfer to maximise the energy efficiency of the wall. The composite wall ties are the most thermally efficient wall ties available.

Boron Timber Preservatives

Inorganic boron timber preservatives are suitable for any application and provide environmental and health advantages over alternative formulations. Boron timber preservatives are effective as preventative and remedial treatments for fungal and insect attack on interior and exterior applications.

Green Building Store is a leading provider of cutting-edge, eco-friendly products for low energy buildings. The dedicated and friendly team has in-depth knowledge and experience on the range of specialist products and can assist in finding solutions for minimising the environmental impact of any building project. Green Building Store has been awarded a Queen’s Award for Enterprise: Sustainable Development 2009 for its ground-breaking sustainable products.

You might also be interested in local window companies in Huddersfield.


Environmental Construction Products Ltd
Heath House Mill, Heath House Lane
West Yorkshire

Tel: 01484 461705

What We Do