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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.
Visit allinonebuilders.co.uk
Extensions, loft conversions, fitted wardrobes and carpentry, interior design and full renovations, across London, Berkshire and Surrey.
Structural design by chartered engineers, with Building Control sign off on every job.
Public liability and contractors all risk insurance, with certificates available on request.
Visit allinonebuilders.co.uk
Our strategic partnerships
We handle the drawings, the approvals and the build, so there is no gap between two firms where a job stalls.
See our recent work
See our recent work
Partenaire
The same team that draws it builds it, so there is nobody to pass the blame to when something needs deciding on site.
allinonebuilders.co.uk
Visit allinonebuilders.co.uk
A few exceptional individuals, who supported and advised us throughout the project, sometimes graciously and without compensation.
Free quote
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Where we work:

All In One Builders England Ltd
482 Lady Margaret Road
Southall UB1 2NW