Dobanti was founded in 2011 by Tim Doherty, a seasoned property professional with over 30 years industry experience. We provide building surveying, cost management and project management services across a wide range of sectors in commercial and residential property. To date we’ve surveyed a vast range of properties of all descriptions up to a total value exceeding £100m.

We collaborate with a network of handpicked construction specialists to deliver a wide range of high quality property services that will cover every step of your purchase, build or renovation, whether residential and commercial. This approach allows us to keep costs to a minimum, and allows you the simplicity and peace of mind that comes from working with one trusted firm of surveyors and building professionals. We deliver sound, informative advice which stems from years of experience as qualified surveyors.

Our business has grown through word of mouth referrals and recommendations. We work on the basis of getting to know our clients, their buildings, their specifications and their expectations. We’re proud of the relationships we’ve built with our clients and look forward to welcoming you as a customer.



Tim Doherty

Director & Principal Surveyor

Tim is a recognised industry expert with an impressive range of core skills. He’s worked in the property sector for over 30 years and has held board level positions at Buildstore, The National Self Build and Renovation Centre and Scandia Hus. He’s a founding member of NaCSBA, a Government backed initiative to promote custom build housing in the UK. He regularly speaks at industry conferences alongside well-known TV personality presenters, and writes a monthly feature for Build It magazine.

Tim holds multiple qualifications and is a Chartered Surveyor, a Chartered Builder and a full corporate member of the Chartered Institute of Housing. He has a genuine passion for property, and is an enthusiastic pathologist who loves to solve construction problems. Tim has also had first hand experience of self-build. In 1995 he bought a plot of land and built his own home with a wife and three young children in tow. He’s a true advocate for self build and the benefits it can bring.

Tim works across all service areas but specialises in Building Surveying, Project Management, Building Pathology and Self Build Expertise.


Alan Holloway


Alan Holloway is an architectural technician, a land surveyor and an excellent CAD draughtsmen.  He runs his own business and provides site and measured survey services to Dobanti as well as the production of Dobanti’s CAD drawings for planning, building control and on site contractors.

Alan has worked for many years with high end timber frame specifications and remains an expert in the preparation of details for production purposes as well as the accurate collection of data from initial site assessments.  Alan lives locally in East Sussex.


Mike Mapston


Mike Mapston is a Chartered Surveyor, engineer, builder and all round construction professional.  Amongst other appointments, he runs his own consultancy, Mike Mapston Consult (MMC), with his main focus targeted to the new build sector where he is a leading specialist in off-site production specifications.

Mike and Tim started the development of fully filled, clad and finished external wall production in the early/mid 1990’s and they have worked together in various different capacities ever since.

Mike provides consultancy services to Dobanti on a range of surveying issues but most notably energy efficiency and procurement for new build and individual product suitability and application. Mike lives in the house he first built just outside the beautiful city of bath.


Lars Tonkin


Lars Tonkin is a pedigree Chartered Surveyor having spent 40 years running his own building surveying, engineering and planning Consultancy.  Tonkin and Partners are based in west Kent where Lars continues to service his client base as well as his own development and portfolio requirements.

Lars is an expert pathologist, drawing on his vast experience when putting forward problem diagnosis which can often save  time and cost in otherwise abortive investigations.  He provides consultancy to Dobanti on building surveying, engineering and pathology issues and is available when needed to provide an expert opinion. Lars lives with his family just outside of Tunbridge Wells.