Why Choose Us?

Key to MGG is the personal service that we offer – we’re approachable, friendly and honest.

Because we make our replacement glazing units in house we are able to offer:

  • Personal service
    Approachable, friendly and honest;
  • Fast service
    Emergency replacements same day where possible;
  • Bespoke units
    Allowing us to repair (or make) practically any window, door or conservatory;
  • A wide variety of glazing solutions
    From traditional glazing for wooden doors & window frames to modern uPVC triple glazed units;
  • Quality/reliable units
    We won’t let anything out of the door that we aren’t happy with!
  • FENSA accredited
    Click here to find us on the FENSA website


FENSA Registration Number: 18536
MGG Replacement Windows logo -Stevenage
MGG Windows Unit 7
Wedgewood Gate Industrial Estate
Wedgewood Way
Hertfordshire SG1 4SU