One team, from the first drawing to the final certificate
One team, from the first drawing to the final certificate.
All In One Builders designs and builds extensions, loft conversions, interiors and full renovations across London, Berkshire and Surrey.
Every structural design is calculated and certified by a chartered engineer before work starts, and signed off by Building Control as it goes in.
How we are set up
From to All In One Builders: 40 years of industrial mastery serving protection
All In One Builders was born from the expertise of , a French company recognized since 1989 for the design and delivery of complex infrastructure projects. 6,000 projects delivered, €100M in cumulative revenue, operations in 40 countries. This experience gives All In One Builders full control of the value chain, from engineering to manufacturing, and from transport to on-site installation.