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Welcome to One Consult

A dedicated Mechanical and Electrical (M&E) consultancy with a focus on sustainable design solutions.

We bring a collaborative approach to all our projects, working closely with architects, interior designers, manufacturers, and contractors to deliver the highest level of building services advice to our clients.

Our portfolio includes a wide range of developments including education, residential, retail, hospitality, warehouses/industrial units and commercial offices, covering both private and public sectors. 

Get in touch to see how we can help with your building services projects.


About One Consult

One Consult Building Services Ltd was formed in 2019 by Managing Director Stephen O'Neill, MIET, MCIBSE.


Our consultant engineers have over 23 years’ experience working on M&E design within the construction industry. 

We also have extensive site experience, enabling us to provide workable detailed designs and identify engineering solutions to complex tasks.


We use all of the expected industry standard design software such as Auto CAD, Revit, Dialux/Dialux Evo and Hevacomp in our projects.


Get in touch

One Consult Building Services Ltd, Office 8, Ground Floor West, Nicholas House, River Front, Enfield, Greater London, EN1 3TF


T: 020 8364 4445




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