Karl Harrison
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| Name | Karl Harrison |
| Company Name | Karl Harrison Landscapes Ltd |
| Professions | |
| City | Amersham |
| State/Region | Buckinghamshire |
| Website | |
| Bio | The UK’s Leading Decking and Design Consultant | Founder of The Decking Network | Industry Ambassador Karl Harrison stands as a respected and influential figures in the global decking and landscaping industry. For more than two decades, he has been at the forefront of exterior design, timber engineering, and the evolution of decking standards across the UK. As the creator of The Decking Network (founded 2012), Karl built the UK’s most recognised professional platform for decking design, construction standards, and industry collaboration. His technical leadership and outspoken advocacy for professional practice have shaped the way decking is specified, built, and maintained across both domestic and commercial markets. Karl has worked with the world’s leading decking brands, having been retained as a brand ambassador, technical consultant, and industry influencer for international manufacturers including Owatrol, GRAD Concept, FH Brundle, Country Supplies, Millboard and Trex, and is currently collaborating with Deckorators on UK and European market development. His role bridges technical expertise, design innovation, and public communication — helping global brands connect authentically with professional audiences. Recognised as the UK’s go-to expert for all things decking, Karl has authored the Industry Code of Practice for Timber and Composite Decking for the Association of Professional Landscapers (APL), where he also serves on the Committee. His standards-based approach underpins countless decking installations, ensuring durability, safety, and excellence in design and construction. A natural communicator and educator, Karl regularly presents at FutureScape — the UK’s largest landscaping event — where he leads the Decking Hub, a live platform dedicated to industry innovation, technical education, and product advancement. He lectures for design colleges, Associations, Societies and serves as an instructor at TASK Training Academy, delivering LANTRA-accredited training for professional landscapers and contractors. Karl’s expertise extends beyond the trade — he has featured across mainstream media, including The Telegraph, Daily Express, Homes & Gardens, Grand Designs, Love Your Garden, and Garden ER, and has appeared on George Clarke’s Ugly House to Lovely House and The Tonight Show. His contributions to the Spons External Works and Landscape Price Book further demonstrate his role as a trusted technical authority.
RICS Certificate Holder for Independent Expert Witness Fellow of the Professional Garden Consultants Association Member of the Association of Professional Landscapers Member of the Horticultural Trades Association Member of the Institute of Engineering and Technology Graduateship of the City & Guilds Institute Member of Trustmark |
Recent Posts
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The Complete UK Homeowner’s Guide to Planning a New Garden Deck
July 16, 2026Planning your new deck with confidence Planning a new garden deck can transform how you use your home. It can create an easy route into the garden and a dependable place for dining. It can also give family life somewhere comfortable to move outdoors. However, those benefits do not come from the decking boards alone. ... Read more
The First Decking Day: A Defining Moment for the UK Decking Industry
July 5, 2026The first Decking Day was created to do far more than fill a room with products, banners and familiar industry faces. It was created to start a conversation that the UK decking industry has needed for many years. From the moment people arrived at Horticulture House, it was clear that this was not going to ... Read more
Is bad decking damaging good decking?
June 20, 2026Pro’s Say NO to junk decking Bad decking damages good decking because clients judge the whole category by the failures they experience. That may sound uncomfortable, although most people in the industry know it already. Proper decking has never offered more to garden design, landscape construction and outdoor living. Yet poor products, weak specification and ... Read more
Why do some Garden Designers avoid decking?
June 18, 2026Decking still divides opinion. Some garden designers avoid decking completely. Some garden designers love it. few will only use it when the site gives them no better option. That reaction did not come from nowhere. Over the years, many designers have seen poor decking. They have seen rotten timber frames, slippery boards, badly fixed composites, ... Read more
Kebony sustainable decking UK: The real wood alternative designers should be specifying
May 23, 2026This may be the decking solution the UK composite market has been searching for There is a moment in many garden design conversations when the client says, “I think we want composite decking. Is Kebony Sustainable Decking something you’ve missed in the UK? That sentence usually comes from a sensible place. They want something durable. ... Read more