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How We Work

Let Us Maintenance Your Property

How We Work

To illustrate how we work to potential clients and new employees,we follow some code of principles


  • We keep in constant communication, advising both our clients and their tenants on key areas, such as:When our engineers will be attending a property
  • The progress of any work
  • Any unrelated areas of concern that are discovered onsite


  • Our engineers are easily recognisable as Sigma employees because they:Carry ID
  • Arrive in a vehicle with Sigma livery
  • Are presentable, wearing a Sigma uniform


  • All our engineers are skilled and qualified tradesmen and thus reducing the need for our clients to make numerous calls to different service providers. Our expertise includes most areas of reactive and planned maintenance. With our trades including:Plumbing
  • Carpentry
  • Electrical
  • Gas & heating
  • Painting & decoration
  • Appliances
  • Roofing
  • Locks
  • Glazing


  • We know that every property Maintainance company works differently, requiring various levels of information and that is why we can provide::Photographs of before and after the work
  • Detailed engineer reports for work undertaken
  • Detailed breakdown of costs
  • Quotations and recommendations on future work


  • We are proud members of many health & safety and quality accreditation schemes, which require us to comply with HSE regulations, and we have acquired the services of Citation, a large health & safety organisation to ensure that we have up to date training and qualifications to adhere to their strict application processes. These schemes include:Carry ID
  • CHAS
  • Trustmark
  • Safecontractor
  • Gas Safe Register


  • Our reactive maintenance service has a transparent pricing system where we charge for the first hour and then in half hour increments, but only for parts and labour, never for:Parking
  • Fuel
  • Travel time
  • Congestion charges
  • Or anything else that has not been previously agreed

Areas We Service

  • EC district
  • WC district
  • E district
  • N district
  • NW district
  • SE district
  • SW district
  • W district
  • Outer London

Call us now!
A highly qualified team of refurbishment specialists in London
Our philosophy

Our mission is to provide the residents of London with a no hassle property maintenance service where all work exceeds expectations, meets deadlines and offers excellent value for money. We offer a friendly and reliable property maintenance service to the residents of London and surrounding areas and have been doing so for many years.

Why choose us?
We know that choosing the right company to complete work on your property can be difficult and time-consuming. We have highlighted some reasons to choose us for your next project.

Here at SIGMA Maintenance & Refurbishment Ltd we have built up an excellent reputation in our local area by offering the most comprehensive and expert service in London.

Great Rates & Quotes

Here at SIGMA Maintenance & Refurbishment Ltd we strive to give all of our customers the best quotes we can, and constantly research our competitors so that we can keep doing so, time and time again. Are you looking for a property maintenance quote? Look no further!

A Name You Can Rely On

We strive to be a company that you can rely on. That’s why we arrive on time each day, and are well equipped for the job at hand. Doing so means that we can always stick to a predetermined time scale, and the initial quotation that we have provided.

A Time Served Team

We are time served property maintenance company and have many years experience working within trade. Throughout our many years operating in London we have built up a wealth of experience along with a long list of satisfied customers.

Highly recommended

Most of our work is gained through word-of-mouth recommendations, which goes to prove just how much care we put into our work. Many of our previous clients return to us for other work.