Assured Builders London

We have been in the building trade for 25 years, we are a professional building company specialising in New Builds, Extensions and Loft conversions & renovations in London & Hertfordshire. The majority of our work is through personal recommendations. We are always happy to show previous work. We are also Members of the Federation of Master Builders, the LABC and trust Mark.


  1. Loft Conversions
  2. Extensions
  3. Conversions - General
  4. Pitched Roofing
  5. Flat Roofing
  6. Bricklaying
  7. Repointing
  8. Groundwork & Foundations
  9. Restoration & Refurbishment

About Assured Builders London

We consult with Architects, Surveyors, Quantity Surveyors, M&E Engineers and the council on your behalf so the project runs as smoothly and stress free as possible.
Loft Conversions
New Builds
New Build Flats
Structural Engineers
Party wall advice
Bespoke Garden Rooms
House conversions
Artificial Grass.


We have over 20 years of experience in the building trade. We are a family run business and accredited FMB member we have finished many projects with high standards of work and guaranteed quality. Our Clients are happy to recommend us.
We have completed projects from New builds and Extensions, Loft Conversions to refurbishment and renovation.
Over the years we have received good feedback from happy customers and we take the demands from our clients very seriously.

Assured Builders London Ltd
All teams are fully qualified and skilled trades.

Federation Of Master Builders


Public Liability Insurance

Limit of indemnity: £5,000,000.00
Valid until: 2nd Nov 2021