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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UK Decking Regulations: A Quick Update for Contractors and Homeowners
April 14, 2026Questions to ask before you deck As the decking season gets going again, it is worth revisiting a few of the rules that still catch people out. The same questions come up every year. Does it need planning permission? Does it need a balustrade? Can a homeowner sign that requirement away? Is the frame timber ... Read more
Top 10 Garden Decking Issues That End Up in Court
April 5, 2026Garden decking can transform a space. It can add function, structure, and style to a garden. However, when it is designed badly or built poorly, it can also become the source of serious decking court disputes. Over the years, I have seen this pattern time and again. Since the mid 2000s, I have consulted on ... Read more
How To Avoid A Decking Dispute Before It Starts
April 4, 2026IT is best to avoid a decking dispute. A decking dispute rarely begins on the day the argument starts. More often, it begins much earlier. It begins when assumptions replace detail, when price replaces planning, and when nobody writes down what is actually being built. That is the real problem. Too many garden decking projects ... Read more
Why Decking Network Matters to Homeowners and Why Your Company Should Be On It
March 23, 2026Are you planning a new deck and need the best information Why Decking Network Matters if you are planning a new deck, improving an old one, or trying to understand which materials and methods are right for your garden, good information matters. Too many homeowners still begin their search in the wrong place. They are ... Read more
Kingfisher Decking Wins the APL Awards 2026 Decking Feature
March 16, 2026A proud moment for decking excellence The APL Awards matter. They recognise genuine quality in UK landscaping. They reward skill, judgement, and craftsmanship on site. That is exactly why this result deserves proper applause. This year, the Decking Feature category brought together three strong finalists. Ellicar, Kingfisher Decking Ltd, and The London Decking Company each ... Read more