Lavigne Lonsdale is a multi-disciplinary design practice, which has developed over the last decade into a team capable of delivering solutions to complex built environment projects in a creative, practical and responsive way. 

We are a RIBA Chartered Practice, Registered Practice with the Landscape Institute, Member of the Urban Design Group and Registered Practitioner in Urban Design.

As we also work closely with a number of related disciplines and consultants we are able to adapt and augment our services to meet the specific needs of every unique project.

The Team

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Martyn Lonsdale

Managing Director

BA (Hons), DipLA ,CMLI, DipUD, RPUD

Martyn has 25 years experience of providing masterplanning, urban design and landscape architectural services on large scale, award-winning projects. He is the founding Director of Lavigne Lonsdale and oversees both the Truro and Bath studios.

Tony Smith

Tony Smith 

(1971-2020 RIP)

Director LL 2013-2020

BA (Hons), ARB, RIBA

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Peter Whitehead

Non Executive Director

Peter has joined Lavigne Lonsdale as a non executive Director after working with LL as a consultant for over 20 years.


Peter is a qualified urban designer and architect with over 25 years of experience working as a masterplanner and design team leader in multi-disciplinary practices in the UK as well as extensive experience overseas (including projects in Bahrain, UAE, Oman, Jordan, Libya, Abu Dhabi, Jamaica, Hong Kong, India and Saudi Arabia).

MA (Cantab) Dip Arch (dist) Dip UD (dist)

Nick Fish

Nick Fish

Associate Landscape Architect

BA (Hons), DipLA, ALI

Nick is an Associate at the practice and has been with the team for over 12 years. He is a highly skilled Landscape Architect and has worked on numerous award-winning projects. Landscape Architecture is Nick’s passion but works across the board to get involved with Masterplanning, Urban Design and Architectural projects to help mesh built form and external design. His work on Carbis Bay Hotel, Atlantic View and Heartlands are just a few projects which demonstrate this joined up design led approach.

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Alison Osborne-Brown

Masterplanner, Urban Designer,

Associate Landscape Architect

BA (Hons), DipLA

With 35 years’ professional experience, Ali’s skills encompass the full spectrum of masterplanning, urban design and landscape architecture with an emphasis on intelligent planning and ‘place making’. She has an ability to sensitively unlock sites for development with specialist skills in LVIA, residential masterplanning and technical delivery. Having worked in the UK, Asia and Australia, Ali has a particular love and knowledge of plants from different climatic zones that can be used creatively in a range of projects.

Andrew Walker

Andrew Walker

Associate Architect

BA (Hons), MArch, PGcert, ARB, RIBA

Andrew is an Associate and joined Lavigne Lonsdale in 2014 from Grant Associates in Bath. He has a passion and skill in all aspects of the built and natural environment including architecture and urban design. His graphic ability ensures that our projects receive critical acclaim.

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Mark Kingsley

Senior Architect

BA ( Hons) Architecture, PG Dip Arch, RIBA, MSc in Energy Efficient & Sustainable Building, BIAT

Mark is a very experienced qualified architect with over 25 years experience in the private sector. He has a Masters qualification is energy efficiency & sustainable buildings from Oxford and approaches all projects with a thorough understanding of sustainable principles of design and construction.  Mark has worked in both Bath and is now in the Truro studio.

Nick Bulley

Nick Bulley

Landscape Architect

BA (Hons), DipLA

Nick is a qualified landscape architect and has gained experience across landscape planning and design. He is a key member of the Landscape Architecture team delivering notable schemes across the South West.

Christian Brown

Christian Brown

Architectural Assistant

BSc (Hons)

Christian is currently undertaking his part 2 studies at Cardiff University and has joined us as part of his work experience and continuing professional development.

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Samantha Key

Studio Manager

BA Hospitality & Human Resources Management,

BA (Hons) Leadership & Development

Samantha joined the team in the beginning of 2020 as Studio Manager. She has over ten years experience managing and leading teams, launching retail and hospitality businesses, and providing ancillary services to businesses across a number of sectors. Samantha's passion lies in developing people and achieving sustainable business practice. 

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Luke Adamson

Part I Architectural Assistant

BEng Architecture & Environmental Engineering

Luke is a graduate of the University of the West of England where he studied Architecture and Environmental Engineering, a unique degree combining elements of sustainable engineering and architecture. He first began work for us at the Bath office, but has recently moved to the Truro office to work as a part 1 Architectural Assistant. Luke hopes to progress towards his part 2 and looks to develop his skills in architecture and sustainability.

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Katy Glanville

Part I Architectural Assistant

BEng Architecture & Environmental Engineering

Katy previously worked with Lavigne Lonsdale for 6 months as part of her degree and has now rejoined the office as a Part 1 Architectural Assistant having graduated from the University of Bath. Katy also spent 6 months working on a construction and design project in France. She is looking to gain more experience specifically in environmental and structural detailed design before continuing with her Part II. Her particular interests lie in the design of arts and community spaces with a highly sustainable approach with a focus on natural materials.