London’s Leading Basement Conversion Specialist


Here at Simply Basement we are very proud and confident of the quality of work that we offer, that we offer the following guarantees on completion of your project:

  • Company backed structural guarantee of 10 years
  • Insurance backed guarantee of 10 years on waterproofing
  • 30 year manufacturer guarantee on Delta Membrane waterproofing systems.

If any of our work becomes faulty due to poor workmanship within the ten year period, we will come back to your property and rectify it at our own cost.  Once your basement conversion is complete, you will meet with your Simply Basement project manager who will ensure that you have all relevant paperwork as well as your guarantees.

If you are interested in using Simply Basement to deliver your basement conversion, we can also provide you with details of our insurance policy for peace of mind.



Simply Construction Group
Why you can trust us
House & Garden The List, EBC, Velux
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Call us today on 0800 917 7571 Or fill out an online enquiry form.

Next step is our friendly and helpful advisors to take details of your proposed project and arrange a free, no obligation site survey of your home.