1 . WHAT TYPE OF WINDOW DO I NEED ? One of the easiest ways to choose is to decide upon the main function required – to let in more light , provide a view , add ventilation or to enhance the space within a room – this will enable you to choose which type you need , whether it ’ s a casement , bay or gable window , or perhaps a roof-light for extra light , or in fact a French Door to serve as an entrance .

2 . WHAT TYPE OF FRAME WILL SUIT MY STYLE OF HOME ? Frame strength and durability are important factors to consider when investing in a window system .

3 . HOW DO I ENSURE MY WINDOWS ARE THERMALLY EFFICIENT ? The best indicators of thermal efficiency are U-Values . U-Values show the amount of heat lost in watts ( W ) per square metre of material , so the lower the number , the better the thermal efficiency . For windows , the U-Values in the UK must be 1.6 W /( m2K ) for replacements and up to 2.0 W / ( m2K ) for new builds and extensions . Also enquire about additional upgrades to increase thermal performance .

4 . HOW CAN I BE SURE THE WINDOWS WILL SUIT MY STYLE OF HOME ? Depending on the style of your property , you may opt to enhance it by installing coloured exterior and / or interior window frames . Good manufacturers should offer a choice of finishes , colours and styling , allowing full customisation to create a perfectly integrated look . I would also recommend looking for a supplier that can provide the option of having internal and external flush casement . This enables the sash of the window to

sit perfectly in line with the frame , and with no overlapping profile , it ensures a smart and elegant appearance . This timeless finish therefore lends itself to all home styles , including traditional townhouses , new builds and projects under strict planning regulations .

5 . WHAT TYPE OF GUARANTEE ? The standard industry guarantee is 10 years , but make sure you find out what ’ s included in this . Some manufacturers will offer different warranties on the paint and components .

6 . BUDGET REQUIRED ? The prices can range drastically . The price for an aluminium window with an internal and external flush casement would be approximately £ 300 for 1200mm x 1200mm , without glazing or installation .

7 . HOW QUICKLY WILL THE PRODUCTS BE DELIVERED ? Standard industry lead time can be anything from four to eight weeks , but as little as one week is available .

‘ I would also recommend looking for a supplier that can provide the option of having internal and external flush casement . This timeless finish therefore lends itself to all home styles , including traditional townhouses , new builds and projects under strict planning regulations ’

‘ make sure it ’ s designed to keep your rooms cool in hot weather , and your home warm when it is chilly ’

8 . WHAT SECURITY REQUIREMENTS SHOULD I LOOK FOR ? There are a few things you should look out for when choosing a window :

• That the whole system conforms to PAS 24 security standards .

• Hinge guards to be installed as standard – this protects the hinges as well as blocking intruders from jemmying the window open

• Frames should be mechanically crimped for the most secure system

9 . DETERMINE THE ORIENTATION OF THE SUN BEFORE CHOOSING YOUR WINDOWS If you are designing a new home , consider the direction of the rising and setting sun . This will enable you to determine the size of the window you require and the amount of light you ’ d like coming into a room , whether it be the morning or afternoon sun . Whatever window you choose , make sure it ’ s designed to keep your rooms cool in hot weather , and your home warm when it is chilly .

10 . TRY BEFORE YOU BUY We ’ d always recommend physically seeing the windows in-situ and operating them before you buy . The best place to do this is in a window and door showroom ; they often have more than one window system in place , so you can compare and talk through any other questions with experts .

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