Complete home and kitchen refurbishment work with affordable house extension cost AT https://premierbuilders.ie/house-extensions/
A house extension contractor should guarantee his product and service. If he is not doing the work alone, then he should ensure the work of his helpers as well. They should not be willing to leave until the job is done the way the homeowner wants it. The product and the service should also have a guarantee after the job is done. This would not likely apply to problems that you caused, but if an extension breaks or is destroyed, and it is of no fault of yours, then the house extension should be willing to come back and repair it. With this in mind, it might be wise to hold on to house extension in case one ever does break for some reason. Take a look at affordable house extension cost for best price offers. 
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Address : Premier Builders, Confey House, Leixlip, Co Kildare, W23 Y1KC
Tel: 015133188
Email: info@premierbuilders.ie
Working Hours : Mon to fri 7:00 AM to 6:00 PM, Sat 9:00 AM to 4:00 PM, Sunday Closed