Build your extension with the Specialists.

Welcome to The One!
We specialise in crafting bespoke projects that reflect your unique vision and lifestyle. Our team of skilled builders are dedicated to delivering exceptional quality, precision, and craftsmanship in every project.

Free Quotation

Qualified and Experienced Specialists

High Quality and Craftsmanship

Transparent Communication and Project Management

Comprehensive Service

Building your dream project

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Home Extension

Loft Conversion

Garden Rooms

Outdoor Services

Expertise and Experience

With a highly skilled and experienced team, we specialize in delivering top-notch installation services across a wide range of industries. Our proven track record in London guarantees that projects are completed efficiently, safely, and to the highest standards.

Timely Project Delivery

We pride ourselves on meeting deadlines without compromising on quality. Our streamlined processes and well-coordinated teams ensure that projects are completed on time, helping contractors stick to their schedules and avoid costly delays.

Compliance and Safety

Our company strictly adheres to all relevant industry standards and safety regulations. By prioritizing safety and regulatory compliance, we provide contractors with peace of mind, knowing that installations are performed correctly and legally.

Great communication from Tatiana right from the start. Very accommodating and did a fantastic job. Property was empty so we weren't aware of a drainage issue until they informed us of it when they started work. This would have been enough to prevent the work being done, but everything was done exactly as promised in spite of this obstacle.Will absolutely use these guys again and would recommend to anyone.

Deepa M.