Taking cleaning and restoration to another level

The award-winning way to protect the past

Historic buildings cleaning and restoration

The façade gommage® system has received accreditations and accolades from numerous organisations all over the world, including approvals from Historic England and endorsement from UNESCO for work in cleaning and restoration of historic buildings on the World Heritage List.

  • Historic England consent to clean Scheduled Ancient Monuments – London.
  • Listed Building Consent to clean historic buildings – London.
  • UNESCO approval.
  • Awarded the Prestige de L’Europe and Laurier d’Or in France for “Technical Achievement in Restoration”.
  • Approval granted by the National Park Service in the USA and the Heritage Conservation Program – Canada.
  • Listed in the Guide of French Artisans d’Excellence for the cleaning of historic structures.
  • Granted the Qualité Ravalement de Paris in France for working on landmark buildings.
  • Test panels on the Place Vendôme, Château de Versailles, and the Louvre Museum in France were analysed and approved by the Laboratoire Nationale des Monuments.

Industry accreditations

Considerate Constructors - accreditations
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ISO 9001 Certified Company - accreditations
ISO 14001 Certified Company - accreditations
RIBA CPD Provider - accreditations

Safe Contractor Approved Company - accreditations
   
Constructiononline Certified Company - accreditations

CHAS Accredited Contractor - accreditations
BBA-accreditation 
  CITB-accreditation   
 
London Chamber of Commerce and Industry Member

 

 Thomann-Hanry is a BITA Member            
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See our Projects