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Business Details
41 Years
experience
Expert Chartered Architects & Building Surveyors in Scotland
GLM is a practice of chartered building surveyors, architects, and project managers with a specialist focus on existing buildings. Established in 1985, we champion the transformation of historic structures into functional spaces for private and commercial clients. Our team combines technical expertise with creative design to deliver tailored solutions that respect architectural heritage while meeting modern needs. With decades of collective experience, we prioritise client collaboration, sustainability, and meticulous attention to detail.

Our work spans residential, commercial, and conservation projects, reflecting our commitment to enhancing both built and natural environments. We foster a culture of innovation, mentorship, and professional development, ensuring our team remains at the forefront of industry standards. Our reputation is built on trust, referrals, and long-standing relationships with clients who value our expertise in adaptive reuse and conservation.
Services
Building Surveying Architectural Design Project Management Conservation Retrofitting
Details
  • Year established: 1985
Highlights and features
  • We have over 30 years of experience in architectural conservation and adaptive reuse.
  • Our team includes chartered building surveyors and RICS-registered professionals.
  • Specialists in historic building conservation and retrofitting for modern use.
  • Client-centric approach with a focus on sustainable, tailored solutions.
  • Committed to mentorship and professional development within the industry.
Associations and certifications
  • Royal Institution of Chartered Surveyors (RICS)
  • Institute of Historic Building Conservation (IHBC)
Services
Building Surveying
Our building surveying services focus on the detailed assessment and management of existing structures. We provide condition reports, dilapidation surveys, and project management for residential and commercial properties. Our chartered surveyors combine technical expertise with practical solutions to ensure compliance and longevity.
Architectural Design
We offer architectural design services tailored to the adaptive reuse of historic buildings. Our approach balances heritage preservation with modern functionality, creating spaces that meet contemporary needs while respecting original character. Projects include residential conversions and commercial refurbishments across Scotland.
Project Management
Our project management ensures seamless execution of conservation and renovation projects. We coordinate all stages from planning to completion, managing budgets, timelines, and stakeholder communication. This service guarantees efficient delivery of complex projects while maintaining quality and compliance standards.
Conservation
Specialising in historic building conservation, we protect architectural heritage through expert restoration and maintenance. Our team works on listed buildings and protected sites, employing traditional techniques and materials to preserve structural integrity and historical significance for future generations.
Retrofitting
We implement retrofitting solutions to enhance energy efficiency in existing buildings. This includes insulation upgrades, sustainable material use, and modern systems integration while maintaining aesthetic and structural integrity. Our approach reduces environmental impact without compromising heritage value.
People
David Johnson
Managing Director & Conservation Accredited Architect
David leads GLM with expertise in heritage architecture, having qualified as a conservation-accredited architect. He focuses on high-end residential projects, balancing technical knowledge with client needs to create warm, functional spaces.
Ian McKee
Executive Chairman
Ian co-founded GLM in 1995 and oversees strategic direction. With a background in building surveying and a focus on hotel and leisure sectors, he ensures technical excellence and client satisfaction across all projects.
Doug Lawson
Commercial Director
Doug brings 14 years of international project management experience to commercial developments. His expertise in asset maximisation and stakeholder collaboration ensures successful delivery of mixed-use and residential projects across Scotland.
Zinnie Denby-Mann
Assistant Building Surveyor
Zinnie specialises in historic building conservation, combining degrees in archaeology and surveying. Her work focuses on traditional materials and resolving challenges posed by old structures, supported by her membership of the IHBC.
Julie Wilson
Associate Director | Architect
Julie leads architectural projects with a focus on sustainable design, including Passivhaus standards. She teaches at the University of Edinburgh and brings over 20 years of experience in retrofitting and new-build projects.
Questions
What services does GLM offer for existing buildings?
We provide architectural design, building surveying, project management, conservation, and retrofitting services for residential and commercial properties.
How does GLM approach historic building conservation?
We use traditional techniques and materials to preserve structural integrity while integrating modern functionality, ensuring compliance with heritage standards.
Which areas does GLM operate in?
We work across Scotland, with offices in Edinburgh, Glasgow, and Inverness, serving both urban and rural locations.
What experience does GLM have in adaptive reuse?
Since 1985, we have specialised in transforming existing buildings, combining over 30 years of expertise with innovative design solutions.
How does GLM ensure project success?
Our chartered professionals manage all project stages, from planning to completion, focusing on budgets, timelines, and client collaboration.
Can GLM assist with energy efficiency upgrades?
Yes, we implement retrofitting solutions like insulation and sustainable systems to improve energy efficiency while preserving heritage value.