The River Brent rises in Barnet and flows southwards to meet the River Thames at Brentford, a distance of 17 miles. The lower part of the river, from Hanwell is part of the Grand Union Canal.
Wikipedia: Link
Hello this is my first email to this wonderful site, & also to tell you that I live in the lock keepper's cottage, in the first pivture, & the number of picture taken of my home is in the hundreds per year. John CTQ1579 : Hanwell Flight - The Southerly Lock Keeper's Cottage