Horizon Windows have been supplying and fitting high quality windows, doors and conservatories for over 20 years to hundreds of delighted customers, please see our reviews. We pride ourselves in customer service and professionalism, installing only high quality Double Glazing products from the largest and longest established manufacturers of PVC-u window and door systems, patio doors, porches and conservatories in the UK. 


Alex McHallum our company director has over 40 year experience in Double Glazing installation and will guide you through the whole process from start to finish. All of our staff and technicians are highly knowledgeable, professional, honest and respectful enabling us to deliver a high quality installation in your home or business.

The whole process will be meticulously planned, organised and delivered in budget and on time leaving you happy and delighted you choose us.

To arrange a quote please call us or fill in the form at the bottom of our page and Alex will arrange to visit your property quickly and at a time to suit you. Unfortunately we do not offer online quotes as we prefer to physically view your property before committing to any kind of structural work. Alternatively you are very welcome to visit our showroom to view our fantastic products on display, we have the appropriate social distancing measure in place and lots of hand sanitiser at your disposal.

There will be no high pressure sales, the quote will be competitive, reasonable and honest providing you with the highest industry standards on energy efficiency, security and reliability.

All of our work comes with a 10 year guarantee.

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  • Horizon Windows Ltd
  • Horizon Dumfries Ltd
  • Horizon Dumfries Ltd

5 King Street




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