Start at Square One

Welcome to Square One London

We are a proud family-run construction company based in South East London, serving London and Kent with expert craftsmanship, reliable service, and a personal touch for all your building and renovation needs.

Our Family, Your Project

Building Dreams Together

At Square One London and Kent, we put customer satisfaction at the heart of everything we do. Our dedicated team of professionals works closely with you to deliver exceptional results, turning your vision into reality with care, quality, and precision.

Our services

At Square One London and Kent, a proud family-run construction company, we deliver everything from high-quality decorating to expert structural work — building excellence from the ground up. Start at square one.

Electrical

Building

Final finishes

At Square One London and Kent, our qualified electricians deliver safe, reliable, and efficient electrical work — from lighting installations to full rewires. We combine expert craftsmanship, safety, and transparent pricing to keep your property powered and compliant.

At Square One London and Kent, we handle all aspects of building work — from extensions and renovations to complete structural projects. Our experienced team delivers quality craftsmanship, reliable service, and lasting results, ensuring your project is completed on time, on budget, and to the highest standard.

At Square One London and Kent, we take pride in delivering flawless final finishes that bring your space to life. From expert decorating and tiling to bespoke carpentry, our meticulous attention to detail ensures a refined, high-quality result that perfectly completes your project.