Basements built since 1980


Our promise

Brand quality, years of experience and the highest safety standards

We pride ourselves on catering to a wide range of customer requirements and on-site building specifications.  With Glatthaar Keller, you can be assured of a high-quality product for life, one that offers complete value for money and even increases the resale value of your property.

Rest assured, we only work with long-term partners with established construction companies that we have successfully collaborated with for many years.  That way, we ensure your house and basement marry together seamlessly throughout the entire construction process. This saves both time and money whilst also making sure every phase of the construction process is completed safely and efficiently.

You can rely on us to get things done

  • Delivery across Europe
  • Fixed price
  • Personalised consultation on site
  • One contact person for each customer
  • Advice before, during and after the construction phase
  • Clear, easy-to-understand sales documents
  • Flexibility through individual consultation, no standard solutions

You have our word on it

  • Patented AquaSafe basement with double security as optimal solution for all waterproofing loading conditions
  • Extra-smooth finish on basement walls and ceilings
  • Only the best quality construction components used from branded manufacturers
  • A high quality prefabrication process unaffected by weather conditions
  • Products that carry the RAL quality seal
  • Regular external monitoring
  • Internal quality management system
  • Always on time
  • 5-year warranty period