responsible engineering
We are a collective of minds driven by a passion for our world.
The built environment is where we spend most of our lives and it has to perform well and be responsible towards the resources.
As building services/MEP/environmental engineers we design the systems that provide air, light and thermal comfort to internal spaces - and we inform the design of the buildings to minimise the energy needed for these systems to operate efficiently.
mstep has a mission to help create comfortable, healthy, efficient environments in which we can breathe, live, work and thrive - and that do not cost the Earth!
We decarbonise existing and future spaces through responsible engineering design from inception to completion.
mstep brings 25 years of delivering very low and zero carbon buildings and places of varying complexities across many sectors and countries.
Using our knowledge, our enthusiasm and the latest technologies, we deliver the future today.
sashakrstanovic
BEng (Hons) CEng FIMechE FCIBSE
mechanical engineer & founder
profile
sasha has almost 30 years’ experience in design and building engineering and is a Fellow of both the Institution of Mechanical Engineers and the Chartered Institution of Building Services Engineers. Her focus is on low energy and zero carbon building design.
recent high-profile projects include leading the technical design and on-site delivery for the refurbishment of MEP systems for the Palais de Nations - UN Office in Geneva, and Kula Belgrade – a 42-storey hotel and residential tower in Serbia, and currently the tallest tower under construction in SE Europe.
sasha is a regular speaker at conferences relating to low energy and low carbon building designs where she shares her expertise in this field. She has a number of external advisory roles on various forums which include:
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a trustee and a board member of the Higher Education Design Quality Forum (HEDQF)
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a member of the HS2 Design Panel
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a member of the Ebbsfleet Design Forum
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director of the Equilibrium Network Horizon 2020 project DivAirCity
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a member of the CIBSE/ HPA Water Source Heat Pumps Code of Practice steering committee and a contributor to the CIBSE Guide L – Sustainability
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a Senior Lecturer in Building Services at the University of the West of England.
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sasha won the CIBSE Engineer of the Year award in 2021, and became a CIBSE Board Member in 2025.
as a design lead for mstep she is responsible for overseeing the design and delivery aspect of all projects and she actively participates during the early stages and is present at key meetings through successful handover.
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