About Us

Complete Windows have over 15 years’ experience of installing Windows, Doors, Roof products, Sunrooms and Conservatories to the highest quality. Based in Crossgar, County Down we are perfectly situated to serve all of Ireland.  

Since trading commenced in 2010, Complete Windows has developed into a leading installer of PVCu and Aluminium windows & doors and Composite doors. Using the some of the worlds best profile systems and build good relationships with our manufactures, we can offer a wide range of products from Decuenick, Origin Global, Residence, Paladio, Apeer, ClassicBond & Guardian.

Our professional approach to the supply of what customers want and when they want it has resulted in rapid but controlled growth in an organisation that is one of the most stable and trusted within its market

Benefits of using Complete Windows as your local installer

  • Full range of Aluminium and PVCu products

  • WER A rated Windows as standard

  • BSI accredited products, BS7412, PAS24

  • Quotation and order confirmation service

  • Dedicated support

  • Quality marketing material

  • No pushy salesperson

In early 2021 we will be opening our dedicated showroom where we will be able to showcase all of our products, but in the mean time we can offer on an appointment only service the use of our manufactures showroom to view a wide range of doors, windows and conservatories. Both trade customers and homeowners alike will be able to visit us to not only see how all the products are made, but also the high quality finish thats achieved.

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Tel: 02844832973

Mob: 07912217692

Email: improve@completehi.co.uk

Complete Window Systems

14 Rademon Avenue


BT30 9NX

© 2023 by IWD. Proudly created with Complete Windows NI