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Energy efficient windows and doors

A choice of frame material 

We use both quality uPVC and powder coated aluminium frames in our garden buildings. Our Helix and Elegans designs feature grey frames that complement the treated timber cladding.  

Our aluminium frames come with a 10 year warranty.

Window and door options

We offer a wide range of window and door configurations, including:

  • Single doors
  • French doors
  • Sliding doors (up to 4m spans)
  • Bifolding doors (up to 7 sashes and 6.3m)

With countless window and door combinations to choose from, we can tailor a solution that works perfectly for you and your garden buildings. Our standard opening widths are 900mm. 

We offer ultra low threshold doors for wheelchair access.


We understand that the security of your garden building and its contents is of paramount importance. All our windows and doors come with high security locks as standard with optional extras such as PIR security lighting available.


Garden Spaces only use FENSA accredited suppliers for our windows and doors. Whether your build incorporates our standard glazing or the high performance glazing (an optionla upgrade), all feature PLANITHERM technology for outstanding energy efficiency, enabling you to utilise your building all year round regardless of weather extremes.

Standard double glazing (Ug=1.2)


Our energy efficient glazing is designed to reduce the loss of heat through your windows whilst capitalising on solar gain, for optimum energy balance.

Key Features

  • Reduced energy bills
  • Optimal balance between comfort and energy consumption
  • Excellent energy performance rating

High performance glazing (Ug=1.0)


Our high performance glazing can potentially half the energy required to keep your room at a perfect temperature all year round, saving you money on your energy bills.

Key Features  

  • Significantly reduced energy bills
  • Outstanding heat retention in the winter
  • Moderates excessive solar gain in the summer. 
  • Easy clean and UV reflective 

Integral Blinds

As well as a wide range of aluminium and wooden external venetian blinds, you can choose from our range of integral blinds that sit within the argon filled glazed panels. They are controlled by magentic linkage and being completely enclosed, are maintenance free. Integral blinds are available in a variety of colours and provide a clutter free, seamless finish for all folding and sliding doors and fixed panels.