Welcome to Dema Construction Ltd. A professional construction company based in Merseyside. Leading the way in affordable and reliable construction companies in Merseyside. All aspects of construction work undertaken at competitive prices.

About Us

DeMa Construction is a St. Helens -based building company specialising in residential and small commercial buildings. Work type ranges from new build to building extension including loft conversion and refurbishment projects all around Merseyside.

Our skills and knowledge of the unique character of buildings enables us to adhere to the high-quality, high-specification needs of modern building. We can also provide services like decoration, bathroom fit-out, kitchen installation and modernising of dated houses.

With our skilful workforce supported by our in house chartered engineer, we expertly integrate the old and the new and we know how to use space creatively – balancing the need for comfort and practicality with the sleek lines of the modern and the minimalist. We have a good portfolio of previously completed work ranging from commercial building to residential houses.

So if you're looking for a construction company in Merseyside with many years experience in the construction trade then look no further than Dema Construction Ltd. Whether it’s a query or a quote, pick up the phone and call 07577427200 today or visit our contact page or send us an email.

Why Choose Us?

Dema Construction Ltd have been providing the people of Merseyside with a wide range of customer focused construction services for many years!

Dema Construction Ltd have many satisfied and returning customers because we provide the best and most comprehensive construction services in and around Merseyside, with a friendly service from start to completion, and a time served and highly skilled team, you can rest assured that you are getting both excellent value for money and a personal service at each and every job we attend.

What We Do

  • Extensions
  • Loft conversions
  • Kitchen and bathrooms
  • Refurbishment
  • NEW; 3D visualisation,
  • NEW; Structural Engineers and Architects service
  • And many more

β€œ Excellent quality of finish in the work, attention to detail was first class from Marcin. Also the effort to reduce mess and the cleaning at all times during the job made any inconvenience of the work absolutely minimal. Would have no hesitation in using DeMa Construction again or recommending to family and friends. ”

Dema Construction Ltd have been providing the residents of Merseyside with professional construction services for many years.


6 The Croft,

St. Helens,