New Builds, Extensions and Loft Conversions Specialists

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One Group are Leicestershire based construction company who  understand that your home is more than just a building — we are here to transform it into the space you’ve always dreamed of.


We specialise in high quality, bespoke loft conversions, extensions, home improvement and new build homes.


With over 15 years of experience in the industry, we deliver exceptional craftsmanship, attention to detail, and a personalised service that turns your vision into reality.


To request a free, no obligation quotation below, please click the below button:




Contact Us

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Who we are and the services we provide

The Team

At One Group, we have over 15 years experience in house building and construction. Our specially selected team brings unmatched expertise, attention to detail, and a passion for excellence to every job.  With a strong commitment to deliver superior results, our company stands out as a trusted name in raising the bar for construction and project management.


Why Choose One Group?

  • We deliver on our promises — every project reflects our commitment to doing exactly what we say we will.
  • Our team brings extensive industry experience, ensuring reliable and expert workmanship.
  • We consistently maintain high standards, supported by regular quality checks throughout every stage of the project.
  • Clear and transparent communication is at the heart of what we do — we keep you informed every step of the way.
  • Comprehensive and detailed quotations, so you know exactly what to expect from the outset.
  • Flexible and fair payment structure, with weekly valuations and invoicing — no upfront payments required.
  • A genuine and honest company that understands the challenges and stresses involved in home improvement projects and works to make the process as smooth as possible.