Ventilation & Encasement Ducting Specialists in Kent

At Commercial Ducting we specialise in the install of low, medium & high pressure/velocity air systems. With the knowledge gained from managing and completing a diverse range of projects such as The Hippodrome Casino London, the basketball stadium at the London Olympics, various hospitals projects, schools, refurbishment works at Heathrow airport, commercial kitchens and many more commercial properties over the last 25 years, we have established a successful and thriving business.

Our workshop, which is based in Northfleet Kent, has easy connections to the A2 into London, M25 and the Dartford crossing into Essex. We fabricate ductwork in accordance with HVCA specification DW144 and offer our clients an efficient turn around on orders.

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Ventilation Systems Installations

At Commercial Ducting our focus is on providing a quality snag-free ductwork installation. Our small team of fully trained engineers are specialists in the install of all types of ventilation systems. From small toilet extract systems right through to assisting with the crane lifting and the bolting together of large AHU sections, ready for the install of high and medium velocity ductwork systems.


Our engineers install fire rated ductwork specification Safe 4 and Fenlands Fire specification ductwork. We are specialists in riser installs and fit bottom up or top down depending on each sites conditions or challenges. At Commercial Ducting we have the experience to overcome any issues that will inevitability arise on your project. Having our own workshop means our fitters can measure items on the day and have them delivered the next day when working to resolve issues that need a quick turn around.


As our focus is on quality all of our experienced fitters are trained to work in accordance with HVAC specification DW144 third edition, hold a minimum of a blue CSCS card and hold a minimum of level 2 NVQ in heating and ventilation.


In conjunction with ductwork installation we offer a design assistance service where we offer the following:

- Site surveys/site measures to overcome coordination issues. - We produce CAD drawings in 2D & 3D ready for approval. We can take your consultant drawings and produce workable isometric drawings.

From this consultant drawings:

Consultants drawing

To this Commercial Ducting drawing:

Commercial Ducting Drawing

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Ductwork Fabrication

Commercial Ducting is a HVAC sheet metal fabricator that produces high quality DW144 compliant ductwork for ventilation systems, usually installed in commercial buildings.


With our workshop based in Northfleet, Kent, it is ideally positioned for access into London, the M25 and the Dartford Crossing. We pride ourselves on a quick turnaround and fast delivery and with a deep understanding of installing ductwork we know how important it is to get your ductwork to site efficiently.


Please call to discuss your ductwork needs.

Ductwork Fabrication

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Ductwork Fabrication before image
Ductwork Fabrication after image

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Building Services Encasements, Manufacture & Installation

Commercial Ducting design, manufacture and install encasements from galvanised steel or aluminium.


We can produce and erect metal encasements of varying thicknesses of aluminium, galvanised steel, RSA frames fixed with galvanised steel plates & box frames also fixed with galvanised steel plates, usually powder coated with your choice from a wide range of RAL colours.

Encasements before image
Encasements after image
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