We provide expert home extension services throughout Cork with 17 years of experience transforming local properties. Our proven expertise delivers exceptional results on time and budget, whereas our commitment to safety guarantees tranquility during construction.
Every project follows a clear inspection, quote, delivery, and quality review path so you know what is happening before work begins.
Keystone Roofing Ltd. begins with a comprehensive on-site consultation to understand your space requirements and budget. Our experienced team manages every stage – from initial surveys and planning submissions to construction and final inspections – backed by our 20-year unlimited warranty and transparent project management.
Our thorough consultation examines your existing property layout, structural requirements, and available expansion space. Using advanced surveying equipment, we identify potential challenges like underground services, boundary restrictions, or foundation needs. We document findings with detailed site plans and photographs, checking property boundaries, existing utilities, access routes, and soil conditions.
Most home extensions take 10–16 weeks, depending on size, design, and site conditions.
Absolutely. We provide a complete design-and-build service, including planning submissions.
20-Year Work Guarantee 10-Years Home Security Promise 365 Emergency Assist Service Refer a Friend Reward Book a Service Appointment Let’s Fix Your Roof – Fast & Stress-Free It only takes 30 seconds – no pressure, no obligation.
We start with a practical assessment, explain the condition of the roof, and agree the right scope before work begins. You get updates during the job, daily site care where needed, and a final review before handover.
Timing depends on access, weather, materials, and the scale of the work, but our team keeps the process straightforward from first call to completion.
Read real Google and Trustpilot feedback from Keystone Roofing customers across Cork before booking house extension.
Keystone Roofing Ltd handled a slate roof repair and new lead flashing on our terraced house in Douglas, Cork. They explained the issue clearly, fixed a persistent leak, and left the place tidy. Highly Recomended!
The team did an immaculate job doing a whole new roof. Very easy to communicate, friendly, professional and hard working. Definitely would recommend. Thanks for a job well done!
Keystone Roofing repaired a leak in my roof recently Michael called to inspect the damage and the crew arrived the next morning They did a fantastic job and Im extremely happy with the result A great company to deal with and I would highly recommend them Thanks Michael and crew E Hayes
Work carried out to a high standard, here when they said they would be, worked until darkness somedays. Bigger job than expected, worked up until Christmas Eve to make sure work was completed.
A roof replacement customer praised the clear communication, honest advice, professional team and quality finish from Michael and the crew.
A customer highlighted reliable workmanship, efficient service and careful attention to detail on their Keystone Roofing project.
This customer described the new roof installation as smooth and hassle-free, with a friendly team and a result they were happy to recommend.
An emergency repair customer praised the quick response, cost-effective service and practical help when urgent roof work was needed.
Speak with Keystone Roofing about your roof, get a clear assessment, and understand the next step before committing to work.
Can't find what you're looking for? Call us directly on 087 223 4228 - we answer quickly.
Ask About House ExtensionNot always. Extensions under 40m² may qualify for exempted development. We'll advise and manage any necessary planning applications."
Most home extensions take 10–16 weeks, depending on size, design, and site conditions.
Yes. Our architects and builders ensure seamless integration with your current structure and finishes.
Absolutely. We provide a complete design-and-build service, including planning submissions.
Home extension costs typically range from €1,800 to €2,500 per square metre. Get in touch for an exact quote tailored to your project.
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