Rihards &
Renards Plienis
Welder, Boat Fitter. and Boat Builder

Professional Profile
Rihards and Renards Plienis are experienced marine engineers and project managers with over a decade of hands-on expertise converting barges and narrowboats into high-quality houseboats. As directors of R&P Sons Welding, they provide specialist mobile welding, fabrication, and full marine fit-out services across the River Thames and UK Canal System.
Their work includes hull overplating, structural and non-structural metalwork, engine repairs, diesel boiler maintenance, and installation of marine-grade electrical and plumbing systems. They also install solar systems designed for off-grid living and apply both spray and traditional marine coatings.
With a track record of delivering durable, compliant, and well-finished marine conversions, they manage each stage of the process from initial planning to final fit-out—ensuring high standards throughout.
Key Skills & Expertise
Full barge and narrowboat conversions into high-quality houseboats
Mobile welding services for marine environments
Hull overplating, cabin extensions, and structural metal fabrication
Spray and traditional marine paint finishes
Plumbing and electrical installations (12v and 240v systems)
Solar system design and installation for off-grid use
Diesel engine and boiler maintenance
Experience operating across the River Thames and UK Canal System
End-to-end project management – from structural works to final fit-out
Practical knowledge of inland waterway standards and compliance
For Surveys Call Elliott Berry on 07707 150 050 or
Barry Burnell on 07707 150 049
