top of page

Rihards &
Renards Plienis

Welder, Boat Fitter. and Boat Builder 

UK Marine Services Logo

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

narrow boat surveys
bottom of page