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Replacing lock gates on the Kennet & Avon Canal

Kelston Lock, on the River Avon, between Bristol and Bath is one of over 100 locks we care for along the 87-miles of the Kennet & Avon Canal as it stretches east towards Reading.

Staff in hard hats and hi vis stand at the bottom of a drained lock, next to machinery.

All the locks require careful inspection, repair and eventually replacement. That’s why we’re incredibly grateful to a longstanding supporter of the Trust whose generous gift in their Will allowed us to carry out a series of lock gate replacements along the canal last winter.

The lock gate replacement at Kelston Lock, needed after a boat fire damaged the gates beyond repair last year, was by far the largest and most complex project of all the works. Each bespoke lock gate weighed in at 3.5 tonnes, making them amongst the heaviest gates to be fitted by our teams last year.

The work also required divers who helped install steel stop planks to form dams; a crane barge, over 400 square meters of pointing and masonry repair, scaffolding, as well as the manufacture and transportation of the bespoke lock gates.

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We face an everyday battle to manage ageing waterways that need constant care to keep them working for future generations …and are so very grateful for this extremely generous gift that has helped us complete these works.
Ben Cottom, regional director, Wales and South West

Our historic canal network requires constant work to keep it open and accessible to the millions of people who enjoy time on or near the water each year, and we are incredibly grateful for this generous gift to support such vital work.

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Last Edited: 4 August 2026

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