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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Safer Access Ramp for a Bromley School
February 13, 2026Trex Transcend + Trex Lineage, a 1:20 gradient, and child-focused detailing by Browns Landscapes A ramp for a Bromley School is not the place for “that’ll do”. If you’re building access for children aged two to four, every detail matters. The gradient must feel calm underfoot, the surface must cope with winter conditions, and the guarding ... Read more
Pantone 2026 “Cloud Dancer” UK decking and what it means
February 9, 2026What does white deck mean for UK decking Pantone has named PANTONE 11-4201 “Cloud Dancer” as its Colour of the Year for 2026. It is a soft, airy off-white that is meant to feel calm and considered. On paper, that sounds like an easy win for garden design, because it lifts spaces and makes them ... Read more
The Decking Gap: Why a Decking Specialist is worth it
January 24, 2026Premium decking deserves a premium installation When homeowners invest in premium decking such as Millboard or Deckorators Excursion, the expectation is always the same. They want it to look crisp, clean, and deliberate, with the kind of finish you would normally associate with work inside the house. It is vital that your premium decking deserves ... Read more
VirtuScapes: support shaped by real industry experience
January 19, 2026The Human Virtual Assistant for decking Companies When the work is good, but the admin gets heavy If you’re busy, you’re probably doing something right. However, being busy is exactly when admin starts quietly slipping. You might be on site building a quality deck, but you’re also meant to be replying to leads, sending quotes, ... Read more
Why most posts fail from the bottom up under your deck
January 11, 2026Let’s talk honestly about timber posts in the ground If you have been around decks for any length of time, you will already know why most posts fail. It is almost always right at ground level. That should tell us something. Timber does not fail because it is weak. It fails because ground contact creates ... Read more