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Hip to gable cost

  • 30-07-2024 7:15pm
    #1
    suvigirl
    Registered Users, Registered Users 2 Posts: 10,951 ✭✭✭✭


    I have a dormer bungalow and am thinking of extending the roof, from hip to gable. Anyone done this recently, give me an idea on costs?

    Just the hip to gable bit, with insulation, and couple of new velux windows.



Comments

  • #2
    Victor
    Registered Users, Registered Users 2 Posts: 78,580 ✭✭✭✭Victor


    Is this an existing house? It could be remarkably expensive, with you having to vacate the property for a time. Schedule it for May-June if possible, usually the driest time of year.

    You need the new gable walls and the walls below might not be able to support them, not just the weight, but the extra wind and snow loads. If you want the space currently covered by the hipped rood to be accessible, you will need to re-work most of the roof timbers. The roof covering will need to be reworked, unless you are happy with odd patches (the council might not find that acceptable). A whole new roof from ceiling up might be needed.

    You will likely need planning permission and an engineer - start there.

    ===========================

    If it hasn't been built yes, it might be cost-neutral. The extra cost of the walls is off-set by a simpler roof of factory-made trusses instead of timber cut on site, an almost identical amount of roof coverings and no hips.



  • #3
    suvigirl
    Registered Users, Registered Users 2 Posts: 10,951 ✭✭✭✭suvigirl


    Yeah, it's my house. I was kind of hoping seeing as most of the living is on the ground floor, that I wouldn't need to move out. And also that the roof tiles in the hip part could be used in the new part of the roof?

    I have a guy coming to have a look, was just wondering about costs first!



  • #4
    Victor
    Registered Users, Registered Users 2 Posts: 78,580 ✭✭✭✭Victor


    "And also that the roof tiles in the hip part could be used in the new part of the roof?" Sure, but when you take tiles off a roof, some break and you might not have enough for the whole new roof. While the area of roof finishing is nearly identical, there will be cut tiles at the hips which you can't re-use.

    The usual thing is to completely re-do one slope of the roof (usually front) in with new material and re-use the old finishing on the rear / side slopes.



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