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    Install cat flap into double glazed door


    What are the costs and considerations involved for materials and labour to install a cat flap into a double glazed patio door which has a glass width of 400mm please?

    Asked by Mai on 3rd Jan 2020
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    Jr multi skilled maintenance services

    "Thanks for asking, it is impossible to cut a hole in a double glazed unit."

    Answered on 6th Apr 2020 - Member since Jan 2018 - report
    Grant joinery/building ltd

    "New unit would have to be made with an aperture to the cat flaps dimension, you cannot cut into your existing unit."

    Answered on 16th Jan 2020 - Member since Jun 2019 - report
    JR Property Maintenance

    "Hi there, unfortunatley you wont be able to cut through the glass, your best bet is to find an alterative door that you can use."

    Answered on 16th May 2020 - Member since Jan 2019 - report
    Lunar builders/Flat pack assembly

    Not sure but I would contact a company that specialise with PVC doors as they will have to cut the glass to fit a cat flap."

    Answered on 24th Jan 2020 - Member since Mar 2019 - report
    MB frames


    There are more variables that you would imagine here. If you want the cat flap to go through the glass you will need to order glass with a hole already cut into it as a door will be toughened glass and you are unable to cut it. There are other options but I would need to see some photos to see if they would work in this situation.

    Kind Regards,

    Mark MB Frames."

    Answered on 6th Jan 2020 - Member since Dec 2019 - report

    "It depends how long the glass is in the door. If it is full length, you will need a new door with a flap already fitted, or a panel in the door made of wood or plastic, to fit the flap to/in"

    Answered on 2nd Apr 2020 - Member since Mar 2020 - report
    Gary William

    "This will cost around £80 because you will have to replace the glass unit. You cannot cut the glass as it's toughened."

    Answered on 19th Mar 2020 - Member since Feb 2020 - report
    P Walton

    "Hi not advisable you need the correct cat flap or you can damage the integrity of the door

    Answered on 27th Mar 2020 - Member since Mar 2020 - report
    A&C Properties

    "Realistically you wouldn’t want a cat flap in a glass door do you not have another door that is either solid or at least one with plastic as a filler? This would be more suitable."

    Answered on 6th Jan 2020 - Member since Apr 2019 - report
    H.G.M Property services

    "The catflap is probably about £30 that would take roughly about two hours so two hours work you’re probably looking at another £30 so in total about £60"

    Answered on 27th Mar 2020 - Member since Oct 2018 - report
    Clark Wood Flooring

    "You could remove the glass and replace with PVC board and then install cat flap. Costs could be up to £200."

    Answered on 6th Jan 2020 - Member since Nov 2019 - report

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