Heidi Copland

Heidi Copland


DMH Stallard (Crawley)

Griffin House

135 High Street


RH10 1DQ

Heidi heads up  the firm’s planning and environment group which is made up of both planners and solicitors. The team is highly regarded and has an enviable track record of success in delivering complex major development and regeneration projects both for public and private sector clients.

Heidi has a thorough knowledge of the planning process and the framework necessary to deliver development.  She is particularly experienced in the negotiation and drafting of section 106 agreements, highways and infrastructure agreements. She also has considerable experience of contentious issues, such as high court challenges and enforcement.

She also has a particular specialism in the resolution of issues such as rights of way, village greens etc. which threaten to impact on development.

Personal awards

Heidi consistently achieves top tier rankings in the independently researched directories, Chambers and Partners and Legal 500, in respect of Planning, and Environment.  She is recognised within Legal 500's elite list of leading lawyers and was inducted into the Legal 500 Hall of Fame in 2022 which highlights individuals who have received constant praise from their clients for continued excellence; it represents those partners at the pinnacle of the profession: "I have worked with Heidi Copland on many occasions. Not only is she extremely experienced and knowledgeable, but she is always approachable. She has that uncanny knack of quickly putting clients at ease and gaining their immediate confidence and respect."

...very knowledgeable and level-headed person to work with and has put my mind at ease many a time.

Chambers & Partners UK 2024

Heidi Copland has been a godsend. So approachable, professional and knowledgeable with her planning advice. She has been our rock to what is a stressful planning process.

Legal 500 UK 2024

...very thorough and able to think outside of the box. She is someone you can rely on to get the job done.

Chambers & Partner UK 2024

Heidi Copland is a star of the planning law world and is easy to work with.

Legal 500 UK 2024

Heidi Copland has been amazing. She is very approachable and personable. I cannot fault her

Legal 500 UK 2023

Personal Awards

Chambers & Partners 2024 - Heidi Copland
Legal500 2024 HALL OF FAME

Memberships and Associations

  • United Kingdom Environmental Law Association
  • Environmental Law Foundation;
  • Treasurer of Constructing Excellence Sussex Club
  • Brighton - Jubilee St

    1 Jubilee Street


    East Sussex

    BN1 1GE

  • Brighton - Old Steine

    47 Old Steine


    East Sussex

    BN1 1NW

  • Gatwick

    Griffin House

    135 High Street


    West Sussex

    RH10 1DQ

  • Guildford

    Wonersh House

    The Guildway

    Old Portsmouth Road



    GU3 1LR

  • Hassocks

    32 Keymer Road


    West Sussex

    BN6 8AL

  • Horsham

    3rd Floor

    Afon Building

    Worthing Road


    West Sussex

    RH12 1TL

  • London

    6 New Street Square

    New Fetter Lane


    EC4A 3BF

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