When you are looking for a builder and other tradesmen to undertake a project on your home, you want to know they have the knowledge and skills to complete everything on-time and to a very high standard.

Every project we complete is guaranteed for 10 years giving you added peace of mind.
We have over 20 years experience working in the building industry. In that time we’ve completed many projects including Loft Conversions, Property Extensions and complete Building Refurbishments. The standard of the finished work is always exceptional and reflected by the satisfaction of my customers.

Have a project you need help with? We can help! 

Loft Conversions

Property Extensions

Roofing and so much more.

You can find us on:

Our website





Trades offered

Loft conversions
Bathroom fitter
Bedroom fitter
Roofing general

Case studies

Loft Conversion and Extension

  • 17 Jan 2022
  • London

Side and Back Extension

  • 17 Jan 2022
  • London

See more case studies

Customer testimonials

08 May 2022

We used Supreme Lofts Ltd to construct our loft and were extremely pleased with the end result. Gzim has very high standards and great attention to detail and this is reflected in the quality of the finish. I would highly recommend. - Affie


04 May 2022

Supreme Loft builders truly worth 5 stars. Gzim is thorough, trustworthy and always on time and dedicated to the very end, great attention to detail and articulate fully explained took photos before and after of any issues arising. . House was left tidy after each section of use. Small toilet under the stairs - two chimney breasts removed and plastered - new flat roof with 2 skylights dorm windows in existing extension - removed half a dining wall - opened a closed wall – completely renovated revamped an existing kitchen extension brought up to code new lighting, new plumbing, new flooring plastered walls resulting in a great finish - Jeanie