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About GDA Surveying

GDA Surveying is a company built on professionalism, expertise and experience.  We are ambitious in the standards we set for ourselves and approach all aspects of our business with enthusiasm and dedication.


Our services include everything a client expects from an experienced building surveying practice including the management of complex major works projects, defects diagnosis and professional property services for both freeholders and leaseholders of commercial and residential properties.


We work closely with our clients and partners, to build longstanding professional relationships, based on trust, respect, enthusiasm and approachability, taking a pragmatic approach and utilising our diverse expertise to all project and property instructions.


If you own, occupy, develop, or fund property of any type and require advice or assistance, we can help.

Our Approach

At GDA Surveying, we act fast and go further than our peers to enable our clients achieve their objectives.  Our approach defines our principles and priorities as a company.


We’re approachable and accessible

We ensure that we make ourselves available to all existing and new clients and believe that maintaining an open line of communication is fundamental to how we work.


We’re professional and ensure a high level of expertise

Our clients are provided with a director-led service, ensuring the highest standard is provided with a proven track record across multiple sectors.


We’re collaborative and stay connected

We work with a small number of external consultants and contractors that we have formed established and trusted relationships with to provide the highest level of service.

We’re pro-active and creative

We use our experience and collective expertise to think around problems and are actively involved with our clients to ensure we provide the right advice at the right time. 


We’re Progressive

We are committed to keeping up to date with developments in the construction sector and beyond, to develop and improve as an organisation and share knowledge with our clients and partners.


David Royal

David is Chartered Building Surveyor with over two decades of experience in the construction industry. Throughout his career, he has held pivotal roles in recognised building consultancy firms in London, including his most recent position as Head of the Building Surveying and Projects Department. With a comprehensive understanding of residential, public, commercial, and industrial properties, David has acquired a diverse range of skills and knowledge. He has provided expert advice on a broad spectrum of properties, including city offices, high-end residential estates, universities, schools, warehouses, and light industrial units. David has established strong relationships with architects, contractors, and other professionals, playing a crucial role in ensuring efficient project management and successful project completion. His reputation as a trusted professional is built on his unwavering commitment to maintaining the highest standards of quality and compliance. With extensive experience in both professional and project sectors, David has undertaken various tasks such as defects analysis reports, feasibility studies, fire insurance valuations, asset management surveys, and due diligence reports. He has successfully managed major refurbishment and repair projects across diverse building types. Notably, David has developed expertise in guiding and acting as a lead consultant for major façade remediation projects. Additionally, he excels in expert witness reporting and resolving complex party wall and dilapidations disputes. David's wealth of experience, comprehensive skillset, and dedication to excellence make him a sought-after professional in the industry. Clients can rely on his expertise to deliver exceptional surveying and project management services, ensuring successful outcomes and exceeding expectations. David is a RICS assessor and is regularly involved with the qualification process and development of future surveying professionals. Outside of work David lives in Bath with his wife and two daughters. David’s mobile number is 07958 711 676 David’s email –


Gareth Alexander

Gareth Alexander is a Chartered Surveyor and a highly accomplished professional in the property industry with a broad range of expertise. He has successfully delivered services across the property spectrum, including development monitoring, contract administration of large-scale refurbishment and new build projects, due diligence, defect analysis, acquisition surveys, feasibility advice, and expert witness testimonies. Gareth has built a considerable client base that includes owner-occupiers, tenants, investors, funders, and developers. In his previous roles, Gareth held the position of Head of Construction Due Diligence and Development Monitoring at Calfordseaden LLP, where he led and managed projects in these areas. He also served as the Head of Residential Building Surveying at Deloitte Real Estate, one of the world's largest professional services organisations. Gareth's expertise and commitment to excellence have earned him a solid reputation in the industry. His wealth of experience and extensive client base are a testament to his ability to understand and meet the unique needs of various stakeholders. Gareth's proficiency in delivering successful outcomes, coupled with his leadership skills, make him a trusted professional in the field. With his comprehensive knowledge, proven track record, and dedication to providing exceptional service, Gareth Alexander is a valuable asset in any property-related endeavour. His ability to navigate complex challenges, deliver insightful advice, and manage projects effectively sets him apart as a respected leader in the industry. Outside of work, Gareth resides in Southwest London with his wife, daughter, and their dog. Gareth’s mobile number is 07801 567 289 Gareth’s email –

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