Commercial Property Maintenance We keep our clients’ buildings working and fully compliant, with a focus on preventative maintenance, providing the peace of mind that we will keep every building and the tenants within it, happy. For over 25 years, our flexible, personal service and proactive approach towards building maintenance has awarded us with an enviable reputation. We’ve established a loyal client base in London and the South East, including many blue-chip companies, and we are the proud holders of a Royal Warrant. Darenth Valley Building Services Ltd is part of the D Hammond Group