Belmont and Rationel

Belmont Developments Limited has recently opened a new branch of the Company as an authorised distributor for the Scandinavian manufacturer Rationel Windows and Doors. Offering you a bespoke design, measuring and installation service, with a quality range of products that meet energy efficiency standards that are certified to Secured by Design specifications.

If you require any product information or if you wish to discuss your project please do not hesitate to Contact us and we will be pleased to assist you.

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We are proud to announce we are now Internorm-partners.

Coinciding with the opening of our new Showroom at Unit 4.1, Parc Melin, Glanyrafon, Aberystwyth this partnership will add to our portfolio of products from top quality manufacturers.

Call into find out more about the Internorm range.

Find out more on the Internorm Website


  • Thanks for everything. The house is so much warmer already.

  • Very pleased with my new windows. They were installed within days of the order. Thank you Clive.