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Advantages of Timber Windows
• Timber framed windows have a long lifespan. This can be over 60 years when made to
Wood Window Alliance standards. (To compare, uPVC windows have a lifespan of around 30 years)
• Timber windows can be maintained and repaired to increase their lifespan, without having to replace the whole window
• Timber windows can add character, especially to period properties or those in a
conservation area
• Timber windows have a low thermal conductivity, so are a good insulator
• Timber windows are more eco-friendly when using FSC certified timber
Disadvantages of Timber Windows
• Timber windows can suffer from draughts or rattles if not installed properly and maintained
• Timber windows need to be maintained to protect the wood. They can rot if left untreated.
• Timber windows are more susceptible to the outside environment, such as the weather and where they are installed. For example, salt in the air can affect timber frames on properties built close to the ocean
• Timber windows are vulnerable to insects, for example termites
• Timber windows can be more expensive than uPVC windows
Advantages of Aluminium Windows
• Aluminium windows are extremely durable. Aluminium is a light material, but still strong. It doesn’t require much maintenance and is resistant to corrosion and decay
• Aluminium frames can be easily moulded if your windows are an unusual shape, for example
curved windows
• Aluminium windows provide a modern aesthetic, so is ideal for contemporary buildings
• Aluminium frames are recyclable, so after use the material can be melted down to create other products
• Aluminium windows are less expensive than timber windows
Disadvantages of Aluminium Windows
• Aluminium windows have high thermal conductivity, so they don’t hold heat very well
• Aluminium windows may have the problem of condensation, which is linked to their high thermal conductivity. Moisture can lead to the growth of fungi, leading to health issues, especially for allergy sufferers
• Aluminium windows are not as aesthetically pleasing as timber windows
Advantages of uPVC Windows
• uPVC frames are lightweight, durable and resistant to pollution
• uPVC windows need little maintenance with only regular cleaning. This can save valuable time
• uPVC windows are a good insulator to keep heat in and sound out
• uPVC windows have a
modern look, so suitable for contemporary buildings
• uPVC windows are cheaper than timber windows so provide value for money
Disadvantages of uPVC Windows
• uPVC frames can become discoloured as a result of exposure to the sun
• uPVC windows can look plain and unstylish, and may not be suitable for listed buildings or those within conservation areas
• uPVC windows have a shorter lifespan than timber windows