We manufacture our aluminium windows using Monarch Dualframe profiles. Dualframe windows are inherently strong, secure and long lasting and are made from sustainable materials. With so many choices of window formats, interior and exterior colours Dual frame provides the right combination to suit the appearance of your house so as to make it a more beautiful and safer home. Our aluminium windows are all produced in accordance with The British Standards Institution (Kitemark Licence No: KM567827).

Casement Windows Windows are traditional, open out, top or side hung openers. The size and style to suit your requirements.

Vertical or Horizontal Sliding Windows combine period charm with modern practicality. Suitable for new build or refurbishment projects either residential or commercial.

When you choose S.E.A Windows you will benefit from:

  • C Rated Windows
  • Slim Sightlines
  • Low maintenance
  • Our range includes Casement or Vertical Sliders
  • Over 400 Colour Options
  • A polyamide thermal break technology providing improved Window Energy Ratingss
  • Dualframe windows have been tested and awarded a BS7950 Kitemark


The environmental case for aluminium

  • 75% of all aluminium produced since the 1880s is still in use.
  • 70%-98% of aluminium used in today‚Äôs buildings will eventually be recycled.
  • Primary source is Bauxite one of the earths most abundant natural resources.
  • Mined from resources close to the surface.
  • 50% of aluminium smelting from bauxite uses hydro-electric power
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