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With over 30 years of experience in Extensions, Loft and Basement Conversions we offer practical advice and expert opinions on your structural improvement project or renovation.


KCJ Builders will help guide you through planning, budgeting and implementing your project  

Our team of established professionals are here to help from start to finish with the support of our structural engineers and architectures


We like to ensure that all works are well organised, allowing them to run smoothly and efficiently, ensuring you have the best experience possible.

We can also complete: 

  • Brick & Block Walling 

  • Cavity Walls & Insulation

  • Capping & Coping Stones

We pride ourselves on our guarantee that our projects are well organised from start to finish, ensuring that each project is smooth running and stress free.

If you require our Extensions, Loft & Basement Conversions Service or would like to find out more about KCJ Builders, 

click here to send us a direct email and tell us more about your project.

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