The Company

Founded in 1977, Ellis and Moore is an award winning structural and civil engineering practice, that delivers enterprising and coherent design solutions on behalf of a spectrum of clients. We are experienced in handling large, complex and challenging projects as well as working on intricate and innovative structures in the new build and refurbishment market. We are client-driven in our approach to our work. Our clients range from corporate organisations, private developers and institutional investors to local authorities, influential architects, design & build contractors and housing associations. We ensure the quality and integrity of our engineering skills and services through resourcefulness, competence and team strength. Since our formation, the practice has grown from strength to strength and now provides a wide portfolio of skills and services. We have built a reputation for collaborative working with some of the top architectural practices in the country on challenging award winning building structures. Ellis and Moore remains an independent practice with approximately 30 members of staff.


Lachlan McDonald

Lachlan joined the practice in 1978, a year after foundation. Early work with a local authority involved the design of motorway bridges in Scotland followed by the design and detailing in all structural materials of a wide variety of building projects. Lachlan was Resident Engineer for a period of three years on a large housing project in London involving reinforced concrete and loadbearing brickwork. Since 1973 Lachlan has been involved in the design and detailing of large precast structures, in situ structures in the Middle East including some heavy civil engineering. In recent years he has concentrated on the design of new buildings and refurbishment projects in London. More recently Lachlan has led the practice in the development of sustainable construction, use of reclaimed materials and timber frame cassette system construction.


Harry Mourdjis

Harry became a partner (now a director) at Ellis and Moore in 1998 having joined the practice in 1990. He has in excess of 30 years hands-on experience in design, detailing and project management as a Consultant Engineer. His experience includes refurbishment and new build projects as well as structural condition surveys, feasibility and pre-planning studies. He has dealt successfully with challenging brown-field sites incorporating underground tunnels, over-ground railways, canals & public sewers and is conversant with their respective requirements and procedures. His wide-ranging experience encompasses most building types including retail, residential, offices, industrial health care and educational buildings.  Since 2003 Harry has also been responsible for the Practice Finances.




Philip Deane

Phil joined Ellis + Moore in 1994 after building his experience and knowledge base working for a number of engineering practices in the UK and abroad. His experience includes the design of large clear span industrial and leisure facilities including several hotel leisure centres with swimming pools. He quickly rose to an Associate in 1997 before becoming a Director.

During his time at Ellis + Moore, Phil has worked on a range of projects for public and private clients including housing, education, retail, leisure and commercial facilities. Phil works with a range of clients across the public and private sectors. In the public sector he works with Local Authorities, Housing Associations, Schools and Contractors on providing a range of residential, mixed use and educational facilities. He counts the Stirling Prize short-listed Darbishire Place and the RIBA Prize awarding winning Nile Street amongst his projects. He also uses the experience gained in Australia on heavy industrial and marine structures working with clients on the provision of steel industrial buildings and platforms.

Associate Directors

Mark Pettit

Mark has over 25 years experience as a structural engineer and joined the practice in 1987 as a Design Engineer before rising to become a Senior Engineer and latterly an Associate. As an Associate, Mark runs a variety of projects and supervises project teams made up of design and graduate engineers, civil engineers and design technicians. In his role, he is responsible for the design of refurbishment and new build projects across the breath of the construction industry including commercial, residential, institutional and healthcare. As an Associate and lead designer Mark’s role oversees the preparation of feasibility schemes and structural reports on refurbishment and repair contracts.


Costas Michaelides

Costas joined Ellis & Moore in November 2006 as a Graduate Engineer following his graduation from the University of Sheffield with an MSc in Structural Engineering. Since then he has been involved in a wide range of new build and refurbishment projects in the residential, commercial and educational sectors as well as private homes. As a Chartered Engineer, Costas has progressed to Associate Director level and is now in charge of a diverse set of projects from scheme through to completion, managing design teams and the production of information.

Costas has accumulated considerable design experience in the use of reinforced concrete, steel, masonry and timber. He has an in-depth knowledge of our 2D and 3D analysis software and takes a leading role in improving the IT capabilities of the company. He has successfully fulfilled the role of Project Engineer and                                                                   Project Manager and is directly involved in the efforts to improve company quality through the Quality Management System. He has an aptitude to problem                                                                         solving and forward looking, and contributes to the design team beyond basic engineering.


Bart Kolodziejczyk 

Bart joined Ellis and Moore in March 2018 as an Associate Director after accumulating 14 years of varied engineering experience at Barton Engineers and Alan Baxter. He has played a key role as a structural team leader on many prestigious new built, refurbishment, and conservation projects. These included some of Britain’s most prominent and cherished historic buildings, such as the National Gallery, the British Museum, and Alexandra Palace, and also award winning new build schemes ranging from one-off houses to student residences, housing, and cultural buildings.

He is experienced in structural design in all the common building materials, and also in glass and has worked extensively with historic materials and construction techniques. He has successfully fulfilled design and management roles, is an apt problem solver, and always strives to proactively contribute to projects, beyond the confines of basic engineering design.

Bart’s current work at Ellis and Moore involves an appraisal of existing structures in UCL’s Senate House, a number residential developments in Wandsworth and Southwark, and a refurbishment of a mansion block in Mayfair.




Kamal Matin

Kamal has over 21 years of experience as a structural engineer within Ellis and Moore, having joined the practice as a graduate engineer in 1997. As a Senior Engineer, Kamal oversaw a variety of projects and supervised project teams made up of design and graduate engineers, civil engineers and design technicians. In his role he is responsible for the design and refurbishment of new  build projects across the breath of the construction industry including commercial, residential, institutional and healthcare. He oversees the preparation of feasibility schemes and structural reports on refurbishment and repair contracts.

Kamal has successfully led our team in the design and delivery of Phase 1 of Peabody’s £150m redevelopment of their Clapham Junction Estate and is currently progressing the Phase 2 design to construction status.


Alexander Byron Bezas

Alex graduated in 2003, finishing his second Master’s degree in structural engineering and has since worked in consulting engineering practices in the UK for nine years and in continental Europe for four years. After a spell with us as a Graduate Engineer, he rejoined Ellis & Moore in 2013.

Alex’s experience has included working on a variety of educational, commercial, residential and railway developments throughout the UK and also on site, primarily on large power plant structures in Europe.

During his time at Ellis & Moore, Alex has worked on a range of projects for public and private clients including housing, retail, leisure, industrial and commercial facilities. As a senior engineer, he managed a variety of projects ranging from small specialist renovations and installations through to multi-storey, multi-million pound frames in steel and concrete.

He works with a wide range of clients, including housing associations, private developers, design and build contractors, and has developed a niche in undertaking specialist steelwork design in the airport sector.

Alex has extensive experience in 3D modelling and Finite Elements analysis with particular focus on implementation of advanced analytical designs involving non-linearities, in steelwork design and detailing and also in concrete and soil-structure interaction.


Christiana Papamichael

Christiana has over 20 years experience as a structural engineer and joined the practice originally in 2000 as a Graduate Engineer before rising to become a Senior Engineer. In 2004 she moved abroad to work on the project management and delivery on site of various projects in Cyprus. She returned to the practice in 2015.  As a Senior Engineer, Christiana runs a variety of projects including, at the present time, the refurbishment of existing buildings and the design of new build residential developments.

Christiana has established herself as one of the principal points of contact for our Building Defects team and through her responsive and insightful reporting, has developed long term relationships with a number of Social Housing providers and Contractors in this field.


Ellis and Moore Consulting Engineers

Sovereign House 1 Albert Place, Finchley, London, N3 1QB

020 7281 4821 -

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