Keswick Conservatory in traditional stone


Building on Sturdy Foundations

DMB Building Ltd

Cumbria Building Contractors

DMB BUILDING LTD is your go-to contact for all your building needs. Based between Carlisle and Penrith we work all over Cumbria and The Lakes and beyond. 

We specialise in projects from start to finish. Whether that’s new builds, conversions, extensions, thermal plastering or passive homes plus many more.

DMB BUILDING LTD can make your ideas a reality. 

With a team of skilled workers that have worked together over the years we provide a high standard of building, joinery, plastering, electrics and plumbing.

We work alongside Ecological Building Systems to provide airtight energy efficient homes using many different methods.

Quality You Can Trust

Federation of Master Builders

As a member of the Federation of Master Builders, and a Trustmark registered business, you can be assured of the quality of our work. Get in touch to discuss your requirements now.


Not sure where to start with a house extension or new build? Do you want to make sure your budget matches your plans? How much will an extension cost? We can help. Start the process with us rather than an architect. We’ll provide expert advice on what’s achievable for your budget so that you can tailor your plans – before spending thousands of pounds on architects.

Building Services

After the conversion


Barn conversions and renovations. Keep old features, and transform a barn into a thermally efficient space.

New build at Calthwaite, Cumbria


Lovely little conservatory with bifold doors and unique style

Breathable thermal render in barn conversion


Diathonite thermal plastering to improve the energy efficiency of any building.

Decorative Brickwork

Brickwork & Blockwork

Brickwork and blockwork in many different bonds and styles 

Lovely Stone porch to transform this house


Adorable porch finished with local sandstone with pointing raked back for a perfect finish

Transforming an ugly bank into a useful garden patch

Garden Landscaping

Diathonite thermal plastering to improve the energy efficiency of any building.

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