Oneli Builders

Oneli Builders is an established company in London and Kent, co-owned by Michael Rieger and Alzbeta Rieger. With years of experience and industry-specific knowledge, we deliver every project to the highest possible standard. Michael and Alzbeta personally manage each job and work closely with clients every step of the way, bringing their visions to life in a professional, timely manner. Learn more about our skills and references by giving us a call or sending an email today.

Loft Conversions

House Extensions of All Types

House Refurbishments

Designing Services of All Types


Michael Rieger

Michael Rieger​

Company Director

has 27 years of experience in the building trade. After graduating with a Business degree from the University of New York (UNYP), Michael joined RWE Gas Storage and built underground gas storage facilities in Czechia and neighbouring countries. In 2010, he became General Director of his family company in Czechia, a firm that specialized in new builds and house extensions. In 2015, Michael established Professional Carpentry Services in London, a fully diversified general contracting company. For 8 years, he has run every project for the company and continues to do so today.

Alzbeta Rieger

Alzbeta Rieger​

Designer

has worked in design for over a decade. Since graduating from Fashion and Textile Design at the Technical University of Liberec in Czechia in 2007, she has worked in Interior Design and Building Space Solutions. She has a gift for design, working with light, colours and decorative items. Her familiarity with a diversity of materials means that she is able to create truly unique spaces. Alzbeta will make your new home functional, beautiful and harmonized.