Colson Stone Practice

Established in 1989, Colson Stone Practice is an award-winning landscape architectural consultancy registered with the Landscape Institute. Our team combines extensive industry expertise with a commitment to delivering elegant, high-quality design solutions tailored to each client's unique requirements. With a focus on building long-term collaborative relationships, we leverage over three decades of experience to create landscapes that balance aesthetic appeal with functional excellence. Our portfolio spans prestigious projects across the UK and Europe, serving private individuals, developers, and public sector clients. We maintain rigorous quality standards through meticulous attention to detail and comprehensive project management from concept to completion. Our professional services encompass masterplanning, garden design, historic landscape conservation, and expert witness testimony, supported by strong partnerships with architects and environmental consultants.

Recognised by accolades including BALI Grand Awards and Society of Garden Designers honours, we prioritise client satisfaction through transparent communication and technically robust deliverables. Our practice philosophy centres on creating enduring landscapes that enhance both natural environments and built spaces while maintaining compliance with planning regulations and sustainability principles. The firm's leadership, Christian Sweet and Debbie Sweet, bring combined expertise from their roles as Chartered Members of the Landscape Institute and Members of the Society of Garden Designers. This institutional knowledge ensures our clients benefit from industry-leading standards in every aspect of landscape architecture and design.