Professional Landscaping Consultant

Professional Landscaping Consultant

Karl Harrison

Karl Harrison is a Landscaping Expert and Consultant. He has been a leading voice in the correct application of Landscaping construction and exterior timber structures since 2003.

He has written the Timber Decking Guidance Specification for the Association of Professional Landscapers and is currently engaged in the same for Composite Decking.

Karl has designed and landscaped hundreds of gardens and constructed thousands of square metres of decking structures.

In 2012 Karl created the Decking Network (Online) where he promulgates professional information pertaining to correct decking construction. Has been an editorial contributor to professional trade publications for decking. He also contributes to Spons Guide “External Works and Landscape Price Book”. Karl is currently a Trex® branded influencer and his copy can be found in Homes and Gardens, Home building and Renovating magazine and others frequently.

He is a lecturer, on occasion, to garden design colleges and Associations. In the past he has been the UK sole distributor of timber decking for Yvyra decking and cladding.

Karl is a professional landscape gardener with 18 years’ experience and is a landscaping expert in the following areas.

  • Timber and Composite Garden Decking Specification
  • Landscape Construction Specification
  • Paving & Walling Specification


He will personally survey your landscaping project and produce Expert Witness Statement of Opinion or Civil Procedure Rules Part 35 Report.

Other consultancy services include

  • Garden Design Advice
  • Site Evaluations & Valuations
  • Insurance Claims & Damage Reports
  • Landscape Assessments

Karl is a member of industry leading Associations and Institutes

Member of the Professional Garden Consultants Association – MPGCA

Member of the Association of professional Landscapers – MAPL

Member of the Horticultural Trades Association – MHTA

Incorporated Engineer and Member of the Institute of Engineering and Technology – IEng MIET

Graduate of the City & Guilds Institute – GCGI

Member of Trustmark (Government Endorsed Standards) – TM