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Why choose MJG Installers?


MJG will provide you with a terrific service, starting with a no obligation survey, advice and quote.


MJG has 35 years experience in supplying and installing windows, doors and conservatories in and around the Home Counties.


MJG is a well established, family-owned company that takes pride in it’s service to customers.

Who are we?

MJG Installations was founded by Michael Geraghty in 2002 who has 35 years experience in supplying and installing windows, doors and conservatories in and around the Home Counties.

Whether you’re in the market for a single replacement UPV'C double glazed window, a triple glazed window or a large conservatory installation, you’ll enjoy the same great service and value, from knowledgeable, friendly people who have been working with the company for many years.

What Our Customers Say

  • Just to say how delighted we are with our new windows and door and how impressed we were with the service that your company provided, from the consultant coming round to measure, to the fitters, electrician and builder. All your staff were polite and pleasant, they were immaculate workers in that they protected everything before they started work and then cleaned up after themselves.

    Ms Wheater / Aylesbury
  • Thank you for completing my double glazing installation, which has greatly improved the appearance of the property and its comfort. I wish to compliment you on the work and in particular the dedication of the fitters who worked without cease in very cold and windy weather.

    Mr Bailey / Great Missenden

Our Accreditations

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