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. Extensions
  2. Loft Conversions
  3. Conversions - General
  4. Restoration & Refurbishment
  5. Bricklaying
  6. Pitched Roofing
  7. Flat Roofing
  8. Fascias & Soffits

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.
You give us your brief alongside your drawings and that’s it, leave it to us we take control of everything from there.
New builds
Loft Conversions
House conversions into flats
House renovations
Bespoke garden rooms
All roofing works
All landscaping

We can also supply you with the following contacts, and help you through the process of the up and coming works,(if needed).

Structural Engineers
Party wall advice
Private building control


We have over 30 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 very happy to recommend us.
We have completed projects from New builds and Extensions, Loft Conversions to refurbishment and renovations.

Most of our work comes from recommendations
All teams are fully qualified and skilled trades, within house and not sub contractors.

Federation Of Master Builders


Public Liability Insurance

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