Product Calculators

Our quick and easy-to-use calculators take the hard work out of finding the right products for your windows and doors. Simply input your measurements and away you go!

Weight Calculator

Our calculator will help you calculate the sash weights you need for your window.

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Balance Calculator

Our calculator will help you calculate the sash balances you need for your window.

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Order before 12pm on Tuesday 23rd December
For delivery Wednesday 24th December

Orders placed after this time will be despatched on Monday 5th January

Merry Christmas & a Happy New Year

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Knowledge Hub

View our knowledge hub for calculators, installations, data sheets, videos & guides.

Knowledge Hub

Catalogues

Download our catalogues or order a paper copy delivered to your door.

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Credit Account

Manage your cash flow with 30 days free credit & flexible credit limits.

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FREE Same-Day Despatch with Next Working Day Delivery on All Orders Over £95*

*£95 ex. VAT. Excludes orders with weights and excludes deliveries to Highlands and Islands and other remote areas. Excludes countries outside Great Britain.
We offer a next day delivery timeframe, please be aware this is our aim and not a guarantee. Learn More

Can't find what you're searching for?

Knowledge Hub

Product Calculators

Weight Calculator

Balance Calculator

Questions?

Knowledge Hub

Catalogues

Credit Account

FREE Same-Day Despatch with Next Working Day Delivery on All Orders Over £95*