Specialist Flat Roof New Builds & Extensions

Up to 25-year warranty.

Up to 25-year warranty.

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Standard extensions and modern orangeries often fail because of poor detailing around the edges and skylights. At ELAST Flat Roofing Ltd, we provide high-performance, single-ply solutions that create a seamless, weather-tight seal around complex roof lanterns and glazing hubs. Our installations are engineered for longevity, ensuring your new living space is protected by a roof that looks as premium as it performs.

Whether you are managing a new architectural build in Penrith, a modern kitchen extension in Carlisle, or a luxury glass-lantern orangery in Kendal, we ensure your new living space is protected by a roof engineered to perform for decades.

  • Up to 25-Year Warranty: I provide long-term peace of mind with insurance-backed warranties on high-performance systems that are built to last decades.

  • Molecularly Fused Seams: Unlike builders who use glue, I use no-torch heat welding to create a single, seamless shield that is actually stronger than the material itself.

  • Meeting 2026 Regulation Requirements: I ensure your roof meets the strict new insulation laws (0.18 U-value), helping you stay legal while saving up to £1,516 a year on bills.

  • Owner-on-Site Accountability: You deal directly with me - a local specialist with over 20 years of experience.

Large residential flat roof project in Carlisle showing clean membrane lines and expert flashing against an older brick building.
Technical view of grey membrane welding around timber roof lantern frames during an extension build in Cumbria.
Side profile of a standing seam roof showing intricate gutter integration and drainage.
Wide angle view of a newly completed grey flat roof extension with integrated skylight in Carlisle.
Close-up of expert corner welding and lead flashing on a modern flat roof in Cumbria.
Detail shot of the perimeter trim and edge detailing on a residential roof extension in Carlisle.
Side view of a flat roof extension showing the connection to the main house and drainage points.
Modern architectural standing seam metal roof with crisp lines and water-shedding surface.

Get an Expert Consultation for Your New Roof or Orangery

Don't risk your new investment with a "general" roofing fix that relies on adhesives destined to break down under weather stress. Whether you are a homeowner planning a modern glass extension or a commercial developer reviewing architectural blueprints, we provide a clean, professional, and transparent service.

I will personally review your architectural drawings and visit your site, provide an accurate quote, and ensure your new roof line is perfectly detailed and fully compliant with the latest building and insulation regulations.

Request a Specialist Quote

Flat Roofing Services: Areas We Cover

We work alongside homeowners, architects, and main contractors on flat roof new builds, extensions, and orangeries across:

  • The Lake District: Kendal, Windermere, Ambleside, Keswick, Grasmere.

  • Eden Valley & East Cumbria: Penrith, Appleby-in-Westmorland, Kirkby Stephen.

  • North Cumbria & Borders: Carlisle, Brampton, Longtown, Wigton.

Reviews

  • Wetheral Dental Practice have 2 fabulous new roofs thanks to Jamie and his team . Having been let down and messed around by several other companies Elast stepped in and did an amazing job . They were reliable efficient and a pleasure to work with

    —Joules G

  • Thank you so much Jamie for a top service! A very last minute urgent job needing done and ELAST Flat Roofing Ltd came to the rescue! Great job done, very reasonably priced, highly recommend to anyone needing flat roofing!☺️

    —Lynsey Carruthers

  • Brilliant job done. They came highly recommended and we are so pleased we went ahead. We will recommend Jamie at Elast Flat Roofing every time, their service is above and beyond the rest! Already booked again for another upcoming project. Many thanks once again to Jamie.

    —Matthew Bland

  • Elast were excellent from the first communication to the completion of a tricky roof installation. Fast efficient service by a friendly, honest and reliable team. I would highly recommend them.

    —Keith Allsop

  • Really pleased with our extension roof completed by Elast Roofing. Quick, honest and reliable would definitely recommend.

    —Charlotte Olsen

  • A great job done on the flat roof extension of our business. Extremely quick to fit us in & get the work done, honest, great communication & a pleasure to do business with. Would highly recommend.

    —Angela Clark

  • Exceptional communication and customer service. Phoned about a leak on a Saturday evening. Sunday morning elast arrive to measure up and get a quote ready. Reliable, fast, hardworking and excellent attention to detail. Competitively priced. Elast have completed two roofs for me. In the process of working on the third. If you want a flat roof completed with a lengthy guarantee then look no further. Highly recommend James and the team.

    —Alexander Knox

  • Brilliant job of our extension flat roof. Top tradesman - timely with brilliant communication. Highly recommended

    —Luke Walker

  • Very thought and considered what I wanted. They were very obliging and considerate and left the place clean and tidy plus a very well finished garage roof. Would highly recommend them.

    —Graham Hamilton

  • Not only did they do a fantastic job, it was also their sense of humour and Customer Service Skills that stood out 👌 amazing ty again x

    —Sharon Watson

  • Great communication, fantastic team and wonderful product will definitely be using Elast Flat Roofing again 👍

    —Trevor Dobinson

  • Really helpfull explaining the process. Great customer service and my roof looks great.

    —Hilary Comerford

  • Great service - delighted

    —Anwyl Whitehead

  • Great professional service. Delivered a quality product quickly following first contact.

    —James Temple

Get in Touch

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Flat Roof Repairs & Restorations