Sebastian Onslow MICFor (Chartered Arboriculturist)

Senior Arboricultural Consultant

01789 459 458


A dedicated and proficient arboricultural consultant, Sebastian has detailed knowledge of tree management both from a health and safety perspective and development context. He has considerable experience delivering successful planning applications from small-scale sites through to large master-planning and conceptual development. He joined in 2014 and took up a permanent full time position upon completion of his Foundation Degree. Sebastian's strengths lie in his dedication to all clients and project work, along with his ability to think outside of the box in order to fulfil work briefs. He is currently managing a number of large scale development schemes and local authority contracts.

  • MICFor (Chartered Arboriculturist)

  • Foundation Degree in Arboriculture

  • Professional member of the Arboricultural Association

  • Lantra Professional Tree Inspection Certificate


 Wharton 101

  • His favourite programme as a kid was WWF

  • He's a season ticket holder at Fulham FC (well someone has to be...)

  • On the same subject his office chair is red, white and black in tribute

  • He'd happily have a pint of Purity Ale

  • If he could buy anything he'd buy Fulham FC and live at 'The Cottage'

  • He's the only one in the office who can pass up on jam doughnuts and chocolate