When it comes to window joinery you might think the only big decision to be made is around somehow matching the colour to both your cladding AND your interior walls. WRONG.

Other frame types such as uPVC and timber typically outperform aluminium thermally, while there are also many options in glazing -  clear or tinted, low-e, and gas infill - which all alter the thermal performance of the windows.

Lets have a look at some of the options available and the pros and cons of each.