Sydney's Trusted Slate Roofing Installation & Repair Specialists

From slate roofing installation to slate repairs in Sydney, NSW Slate Roofing has protected Sydney homes, schools, churches and heritage buildings since 2010. Fully licensed master slaters, 20-year warranty, and workmanship built to last generations.

Get your free slate roofing estimate now!

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    BUILD Home Builder Awards 2024: Best Slate Roofing Company NSW
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    Member of the Master Builders Association

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    Member of the Masters Roof & Slaters Association
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    Monier Certified Roofing Contractor
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    20-Year Warranty on Slate Roofing Installations

    Our Slate Roofing Services in Sydney

    Whatever your slate roof needs, from slate roofing installation to slate repairs in Sydney, our team can help.

    Pyramid-shaped slate roof under construction, grey shingles, wooden supports, and a metal ladder in view.

    Slate Roof Installation

    Full slate roofing installation for new builds, re-roofs and additions. We work with Welsh, Spanish, Canadian and composite slate, matched to your home and your budget. Every installation job comes with our 20-year warranty.

    A construction worker in a yellow hard hat installs tiles during slate roof repairs on a sloped roof.

    Slate Roof Repairs

    Cracked, slipped or missing slates, damaged flashing, and leaks. NSW Slate Roofing has handled slate roof repairs across Sydney for over a decade, from a single slipped tile to a full section replacement.

    Aerial view of a house with grey slate roof and orange trim, greenery, and patio. Hornsby New Slate Roofing Pty Ltd.

    Slate Roof Maintenance

    Regular inspections catch small problems before they become expensive ones. We also check slates, flashing, valleys and guttering, so your roof keeps doing its job for another century.

    Modern house with steep gabled slate roofs, large windows, surrounded by trees; Heritage Slate Roofing featured.

    Heritage Slate Roofing

    Kinsley Denning trained on heritage slate roofs across Wales and North West England before bringing that craft to Sydney. We work on heritage-listed homes, churches and public buildings, from routine repairs to full heritage restoration, where matching the original slate matters.

    Modern building’s enclosed patio with glass doors, potted plants, metal chair, and copper zinc roofing system.

    Lead, Copper & Zinc Roofing

    Beyond slate, we install and repair lead roofing, lead flashing, copper roofing and zinc roofing, the traditional materials that pair well with heritage slate work.

    Single-storey house with stone and cream walls, dark roof tiles, gables, and elegant guttering on grassy lot.

    Guttering, Cedar Shakes & Wooden Shingles

    Guttering, cedar shakes and wooden shingles round out our roofing services, so the rest of your roof matches the quality of the rest of your home.

    Two men, Kinsley Denning and a teammate, work on a roof for NSW Slate Roofing Sydney, winners of BUILD Awards 2024.

    Meet the Owner — Kinsley Denning

    Kinsley Denning started his slating apprenticeship at 16 and qualified as a slater at 19, learning the trade the way it has always been passed down: on the roof, from someone who already knew it. He spent 15 years working across South Wales, North Wales and North West England, much of it on heritage-listed buildings, before bringing that experience to Sydney, where he has now lived and worked for 8 years.

    Kinsley co-manages NSW Slate Roofing alongside General Manager Craig Walker, and between them they bring over 30 years of combined roofing experience to every job, from a single repair to a full heritage rebuild. You’ll still find Kinsley on-site, not just in the office; he worked on the Armidale Cathedral heritage roofing project alongside the wider team.

    About NSW Slate Roofing

    NSW Slate Roofing specialises in natural, quality slate roofing. We’re full-time master slate roofers who work alongside a team of skilled professionals on residential, commercial and heritage-listed buildings, schools, churches and public buildings across Sydney.

    Our work covers everything from minor touch-ups to full slate roof installation, ongoing maintenance and repairs. We also work in colorbond, metal, cedar shakes, timber shingles, copper and lead, so a slate roof is never the only thing we can help with.

    NSW Slate Roofing Sydney worker welding metal at a site, beside “Best Slate Roofing Company NSW” award sign.
    Aerial view of house with premium grey slate roof, brick walls, pool, and NSW Slate Roofing logo visible.

    What is Slate?

    Slate roofing is a natural stone roofing product, best thought of as metamorphosed shale. Its main constituents are mica and quartz, alongside a range of other minerals depending on where it was quarried. People have roofed with slate for thousands of years, and it’s easy to see why: a well-installed slate roof can last as long as 175 years, and it’s durable, fire-resistant and water-resistant.

    Watch Our Work

    Slate Roof Installation in Progress

    Repairing a Slate Roof

    Meet the NSW Slate Roofing Team

    Our Slate Roof Projects in Sydney

    Frequently Asked Questions

    How Long Does a Slate Roof Last?

    It can last well over 100 years, and many go 150 to 175 years with the right maintenance care. It’s one of the longest-lasting roofing materials available.

    What's the Difference Between a Repair And a Re-slate?

    A repair fixes specific problems like a cracked slate or a leak. A re-slate is a bigger job: it redoes large sections or the whole roof. We’ll always tell you honestly which one your roof actually needs.

    What Happens To a Slate Roof After a Big Storm?

    High wind and hail can crack or dislodge slates and damage flashing. If a storm has come through, get your roof checked before a small problem turns into a ceiling leak.

    Can You Match Slate On a Heritage-listed Roof?

    Yes, this is a specialty of ours. We source Welsh, Spanish and Canadian slate to match existing heritage roofs, and Kinsley’s background is specifically in heritage slate work in the UK before he moved to Sydney.

    Do You Offer Sydney Slate Roof Installation And Repairs Across The Whole Metro Area?

    Yes, we cover the whole Sydney metro area. Let us know your suburb and we’ll confirm we’re already working nearby.

    Testimonials

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    Thanks to the team for completing our recent complete re-roof of our heritage home. We’re very happy with the result and the team were great. It was a pleasure to see craftspeople do their thing and the care they put into their work. Thank you.

    – Andrew Knott

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    As a remedial builder, quality and reliability are critical to me. Carl and his team have delivered across multiple projects over the years, consistently on point. Professional, dependable, and easy to work with. Hats off to a good business — thank you Carl and the team.

    – Leo Li

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    Highly recommend the team from the NSW Slate Roofing. Excellent workmanship, reliable and efficient. I was so happy to get the repairs done within a short notice and before the heavy rain happened in May 2025. Thank you, Craig.

    – Xi Ping Chen

    Slate Roof Repairs and Installation Across Sydney

    We have the materials, equipment and experience needed for all types of slate roofing work. From minor slate roof repairs to complete roof replacements, we travel across Sydney to get the job done properly.

    Whether you need a new slate roof or just a few damaged tiles replaced, our team can help.

    We take on projects across Sydney, so wherever you are in the city, give us a call.

    Ready For a Slate Roof That Lasts Generations?

    Whether it’s a new roof or a tricky repair, NSW Slate Roofing’s team, led by Kinsley Denning, will give you a straight answer and a fair quote.