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Chertsey Lock
Chertsey lock with Chertsey Bridge beyond
Waterway	River Thames
County	Middlesex
Maintained by	Environment Agency
Operation	Hydraulic
First built	1813
Latest built	1913
Length	200' 8" (61.16m)
Width	21' 0" (6.40m)
Fall	4' 0" (1.22m)
Above sea level	37'
Distance to Teddington Lock	13 miles
Power is available out of hours

v t e Chertsey Lock
Legend
River Thames above Penton Hook Lock marina: Thorpe weir Penton Hook Lock Abbey River Intake channel to Queen Mary Reservoir Burway Ditch  M3  Abbey River (end) weir Chertsey Lock  B375  Chertsey Bridge Thames above Shepperton Lock

Chertsey Lock is a lock on the River Thames in England, on the northern Middlesex bank near Chertsey (which is on the opposite side of the river) in north-west Surrey. The lock is about 200 yards upstream of the picturesque Chertsey Bridge. It was first built by the City of London Corporation in 1813.

The lock adjoins a small thin island connecting to Chertsey Weir, which is not pedestrianised.

History

There was a history of problems upstream on account of the shallows called Laleham Gulls, and various proposals were put forward. There was a survey for a lock in 1793, but it was disalloed by parliament. In 1805 there was a proposal for a cut along the length of the current reach, with a pound lock at the lower end, but this was resisted by local landowners. A lock further upstream was authorised by parliament in 1810, but when Lord Lucan asked to have the lock out of his view, a new act in 1812 authorised it at the present lower site. The lock was opened in 1813 with the lock-house effectively on the Middlesex bank (although technically in Surrey because the course of the stream had been altered. The lock was lengthened in 1893 and again in 1913. It was then built with two compartments, but the centre gates have since been removed.

Access to the lock

The lock is easily accessible, being on the Middlesex bank, immediately adjacent to Thames Side road and a short distance from Chertsey Bridge and the Kingfisher pub.

Reach above the lock

Shortly upstream of the lock, the river is crossed by the M3 Chertsey Bridge carrying the M3 Motorway high overhead. The Middlesex bank has gravel pits out of sight and then park land until it reaches Laleham, where there are riverside houses. The Surrey bank is wild and open with a reservoir and pumping station beyond it. There is then a stretch of housing interspersed with boatyards, until short of Penton Hook. Before Penton Hook Lock, the backwater curves round Penton Hook Island to some marinas. This is the start point of the Abbey River backwater which rejoins the Thames below Chertsey Lock. Burway Rowing Club is based at Thameside at Laleham on the reach and Burway Junior Regatta and Burway Head races take place from the area beneath the M3 Motorway Bridge.

Thames Path

The Thames Path follows the Middlesex bank all the way to Penton Hook lock.

See also

• Locks on the River Thames
• Rowing on the River Thames

References

1. Statistics from Environment Agency A User's Guide to the River Thames:Part II
2. Fred. S. Thacker The Thames Highway: Volume II Locks and Weirs 1920 - republished 1968 David & Charles

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