Electrical & Mechanical Contractors

CSM Installations Ltd is a Mechanical, Electrical & Public Health (MEP) contracting company. We undertake a wide range of electrical and mechanical installations, including large commercial fit outs and local authority installations. To view details of some of our work please visit our Projects page.

We specialise in the Design & Build of complex MEP systems.

Main Contractor Relationships

Many of our MEP installations are undertaken for major UK construction corporates. Our client list includes:

  • Cuffe plc
  • Spence Ltd
  • Wates Group
  • Mulalley Ltd
  • Savills plc
  • Cumberland Construction

Typical Projects Include:

  • Local authority public lighting & sub main distribution
  • Smoke alarms, and Fire Risk Assessment work (FRA)
  • Railway station upgrade works
  • Lighting & electrical systems for  warehousing, storage & distribution
  • New build residential developments
  • Residential & commercial renovation and upgrade
  • Sustainable MEP systems for housing schemes
  • Renewable systems, Solar PV systems
  • Domestic and office air conditioning systems
  • Fire damper controls and addressable fire detector systems
  • Commercial office fitouts to CAT A or CAT B
  • School extensions & refurbishment
  • Council offices & community buildings

Over the course of many years of co-operation with such clients we have developed a work process which is appreciated by all concerned. Fundamental to this is the close and active involvement of the CSM management team. From initial project enquiries, through the design and planning to implementation and eventual completion our management team monitors progress and can be called upon at any time.

CSM Installations complete all projects to the highest standard, on budget and on time.



Public lighting, data cabling, fire & smoke alarms. Access control, site welfare and renewables.

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Electrical & gas services, boiler installation and air conditioning, ventilation and underfloor heating.

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Public Health

Hot & cold water supply, commercial & industrial washroom facilities and residential bathrooms.

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We are members of NICEIC, Gas Safe and are Fgas registered, to deal with air conditioning refrigerant. We are also Safe Contractor accredited and members of the Constructionline scheme.

All of our engineers are ECS or JIB registered.

Turnkey MEP Service

CSM undertakes your complete MEP project in house, using only our own qualified, experienced engineers. Benefits to clients include fewer delays, improved planning and issues spotted and dealt with before they become problems – with associated costs. Please see Why CSM page.

Advantageous Location

We are based in Rainham, Essex, with excellent access to the M25, London and surrounding counties. Most of our assignments are in the Greater London area, plus locations such as Romford, Brentwood, Loughton and Hornchurch.

What our clients are saying

We have used CSM on a sub contract basis for many years. I have always found the service they provide to be professional, reliable, and completed to the highest standard.

Bob Dolby
LRD Construction Services

I always found Steve and the team very helpful and supportive throughout the delivery of the most challenging of projects. Nothing was too much of a problem and CSM were always extremely flexible and would offer alternative options to drive delivery forward. Looking forward to working with them again in the near future……

Mike Sandy
Managing Director