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About Us

Here at 3DC we aim to provide a bespoke design to all our Clients using the latest in Construction and Design technologies to complement tried and trusted design and building techniques. We have gained invaluable knowledge working in a number of different sectors in a number of countries for over 15 years.


As a qualified PassiveHaus designer our mission is to merge beautiful design with sustainable building techniques so that the very best results can be achieved on every project.


We believe we can bring the design and construction techniques and innovations learned in large scale developments to the small commercial and domestic scale resulting in cost and time savings and overall better designs.​


A large part of our vision is the use of BIM or 3D modelling which we believe can be done at no extra cost compared to traditional design techniques and will result in savings and efficiencies and a better design understanding by all involved.​


We realise the benefits of collaboration and knowledge sharing so we work closely with Clients, Professional Consultants and Craftsmen to deliver top quality designs. 

John Hennessy CEng MIEI Certified PassiveHaus Designer

Director


John has gained a wide range of Structural and Civil Design experience in Ireland, the UK and New Zealand over the past 15 years. He has worked on pharmaceutical, industrial, commercial, institutional and residential projects. His main interest is in domestic and small commercial developments where he can work closely with the Client to deliver a successful project using his wide range of multi-disciplinary knowledge.


​John is an advocate for the use of BIM and 3D modelling techniques to give a clear understanding of each project to all involved and to create efficiencies and cost savings in design and construction. He believes that the benefits of BIM are not only for large scale projects.


John is a Chartered Structural Engineer and Certified PassiveHaus Desiger 

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