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Mechanical engineering services

We have four decades of experience in all aspects of mechanical engineering, covering plumbing and heating, ventilation and air conditioning. At Thirdapp, we work across London and Nigeria to deliver exceptional results. Get in touch to discuss your ideas.


More than 30 years' experience

Electrican's Tools
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Our heating engineers provide a professional service in:

  • Gas boilers

  • Oil boilers

  • Ground source heat pumps

  • Air source heat pumps

  • Central heating installation

  • Maintenance and repair

Compass Pointing North
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As experienced ventilation engineers, we provide the inspection and assessment of your existing ventilation systems, as well as supply and install new systems. Our work includes:

  • Ducting

  • Extraction systems

  • Natural ventilation systems

  • Design, repair, installation and maintenance

Electrican's Tools
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Air conditioning

Does your site require a brand new, energy efficient and high-quality air conditioning system? Our engineers will remove the existing system and professionally install the new A/C units to suit your exact requirements.

Compass Pointing North
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We carry out all aspects of plumbing works for our commercial and industrial clientele, including:

  • Connecting site to mains water supply

  • New pipework installation

  • Plumbing repairs

  • Drain clearance and repair

  • Plumbing installation for new builds

  • Periodic maintenance


Effective mechanical engineering starts with Thirdapp

Speak to our specialists today

London: 07985 105308

Nigeria: +234 08069787538

Contact us


London,United Kingdom

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