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The Port of London lies along the banks of the River Thames from London, England to the North Sea. Once the largest port in the world, it is currently the United Kingdom's second largest port, after Grimsby & Immingham. The port is governed by the Port of London Authority (PLA), a public trust established in 1908, whose responsibility extends over the Tideway of the River Thames.
The port can handle cruise liners, ro-ro ferries and cargo of all types including containers, timber, paper, vehicles, aggregates, crude oil, petroleum products, liquified petroleum gas, coal, metals, grain and other dry and liquid bulk materials. In 2012 London was the second largest port in the United Kingdom by tonnage handled (43.7 million).
The port is not located in one area - it stretches along the tidal Thames, including central London, with many individual wharfs, docks, terminals and facilities built incrementally over the centuries. As with many similar historic European ports, such as Rotterdam, the bulk of activities has steadily moved downstream towards the open sea, as ships have grown larger and other city uses take up land closer to the city's centre.
The Port of London has been central to the economy of London since the founding of the city in the 1st century and was a major contributor to the growth and success of the city. In the 18th and 19th centuries it was the busiest port in the world, with wharves extending continuously along the Thames for 11 miles (18 km), and over 1,500 cranes handling 60,000 ships per year. In World War II it was a prime target for the Luftwaffe during The Blitz.
The first evidence of a reasonable sized trading in London can be seen during Roman control of Britain, at which time the Romans built the original harbour. The construction involved expanding the waterfront using wooden frames filled with dirt. Once these were in place the wharf was built in four stages moving downstream from the London Bridge (Brigham). The port began to rapidly grow and prosper during the 2nd and 3rd centuries, and saw its final demise in the early 5th century with the decline in trade activity. The changes made to the banks along the port made by the Romans are so substantial and long lasting that it was hard to tell where the natural waterfront really began (Milne).
London became a very important trading port for the Romans at its height in the 2nd and 3rd centuries. The harbour town grew and expanded quickly. The lavish nature of goods traded in London shaped the extravagant lifestyle of its citizens and the city flourished under Roman colonization (Hall & Merrifield). The Roman expansion of port facilities and organisation of the London harbour have remained as the base of the London harbour until today.
Until the beginning of the 19th century, shipping was handled entirely within the Pool of London on the stretch of the River Thames along Billingsgate on the south side of the City of London. All imported cargoes had to be delivered for inspection and assessment by Customs Officers, giving the area the name of "Legal Quays". The Pool saw a phenomenal increase in both overseas and coastal trade in the second half of the 18th century. Two thirds of coastal vessels using the Pool were colliers meeting an increase in the demand for coal as the population of London rose. Coastal trade virtually doubled between 1750 and 1796 reaching 11,964 vessels in 1795. In overseas trade, in 1751 the pool handled 1,682 ships and 234,639 tons of goods. By 1794 this had risen to 3,663 ships and 620,845 tons. By this time the river was lined with nearly continuous walls of wharves running for miles along both banks, and hundreds of ships moored in the river or alongside the quays. In the late 18th century an ambitious scheme was proposed by Willey Reveley to straighten the Thames between Wapping and Woolwich Reach by cutting a new channel across the Rotherhithe, Isle of Dogs and Greenwich peninsulas. The three great horseshoe bends would be cut off with locks, as huge wet docks. This was not realised, though a much smaller channel, the City Canal was subsequently cut across the Isle of Dogs.
London's Docklands had their origins in the lack of capacity in the Pool of London which particularly affected the West India trade. In 1799 The West India Dock Act allowed a new off-river dock to be built for produce from the West Indies and the rest of Docklands followed as landowners built enclosed docks with better security and facilities than the Pool's wharves.
Throughout the 19th century a series of enclosed dock systems was built, surrounded by high walls to protect cargoes from river piracy. These included West India Docks (1802), East India Docks (1803, originating from the Brunswick Dock of 1790), London Docks (1805), Surrey Commercial Docks (1807, originating from the Howland Great Wet Dock of 1696), St Katharine Docks (1828), Royal Victoria Dock (1855), Millwall Dock (1868), Royal Albert Dock (1880), and Tilbury docks (1886).
The enclosed docks were built by several rival private companies, notably the East & West India Docks Company (owners of the East India, West India and Tilbury docks), Surrey Commercial Docks Company and London & St Katharine Docks Company (owners of the London, St Katharine and Royal docks). By the beginning of the 20th century competition and strikes led to pressure for amalgamation. A Royal Commission led to the setting up of the Port of London Authority (PLA) in 1908. In 1909 the PLA took control of the enclosed docks from Tower Bridge to Tilbury, with a few minor exceptions such as Poplar Dock which remained as a railway company facility. It also took over control of the river between Teddington Lock and Yantlet Creek from the City corporation which had been responsible since the 13th century. The PLA head Office at Trinity Square Gardens was built by John Mowlem & Co and completed in 1919.
The PLA dredged a deep water channel, added the King George V Dock (1920) to the Royal group, and made continuous improvements to the other enclosed dock systems throughout the first two thirds of the 20th century. This culminated in expansion of Tilbury in the late 1960s to become a major container port (the UK's largest in the early 1970s), together with a huge riverside grain terminal and mechanised facilities for timber handling. Under the PLA London's annual trade had grown to 60 million tons (38% of UK trade) by 1939, but was mainly transferred to the Clyde and Liverpool during World War 2. After the war London recovered, again reaching 60 million tons in the 1960s.
(water area unless stated)
|Location name||Side of river||Approx. river distance|
below London Bridge
|1802||West India Docks||E&WIDC||North (Import) Dock: 30 acres (12 ha);|
Middle (Export) Dock: 24 acres (9.7 ha)
|Isle of Dogs||north||3 mi (4.8 km)|
|1803||East India Docks||E&WIDC||18 acres (7.3 ha)||Blackwall||north||7 mi (11 km)||originating from the|
Brunswick Dock of 1790
|1805||London Docks||?||Western Dock: 20 acres (8.1 ha);|
Eastern Dock: 7 acres (2.8 ha);
30 acres (12 ha) (land)
|Wapping||north||1.5 mi (2.4 km)|
|1807||Surrey Commercial Docks||SCDC||17th-century original: 10 acres (4.0 ha);|
eventually reached: 460 acres (190 ha)
|Rotherhithe||south||4 mi (6.4 km)||originating from the|
Howland Great Wet Dock of 1696
|1828||St Katharine Docks||L&StKDC||23 acres (9.3 ha) (land)||Tower Hamlets||north||1 mi (1.6 km)|
|1855||Royal Victoria Dock||L&StKDC||?||Plaistow Marshes|
|north||8 mi (13 km)|
|1860s||South West India Dock||E&WIDC||?||Isle of Dogs||north||3.5 mi (5.6 km)|
|1868||Millwall Dock||?||36 acres (15 ha);|
200 acres (81 ha) (land)
|Millwall||north||4 mi (6.4 km)|
|1880||Royal Albert Dock||L&StKDC||?||Gallions Reach||north||11.5 mi (18.5 km)|
|1886||Tilbury Docks||E&WIDC||?||Tilbury||north||25 mi (40 km)|
|1912||King George V Dock||L&StKDC||64 acres (26 ha)||North Woolwich||north||11 mi (18 km)|
|E&WIDC||East & West India Docks Company|
|L&StKDC||London & St Katharine Docks Company|
|SCDC||Surrey Commercial Docks Company|
Alongside the docks many port industries developed, some of which (notably sugar refining, edible oil processing, vehicle manufacture and lead smelting) survive today. Other industries have included iron working, casting of brass and bronze, shipbuilding, timber, grain, cement and paper milling, armament manufacture, etc. London dominated the world submarine communication cable industry for decades with works at Greenwich, Silvertown, North Woolwich, Woolwich, and Erith.
For centuries London was the major centre of shipbuilding in Britain (for example at Blackwall Yard, London Yard, Samuda Yard, Millwall Iron Works, Thames Ironworks, Greenwich, and Deptford and Woolwich dockyards), but declined relative to the Clyde and other centres from the mid-19th century. This also affected an attempt by Henry Bessemer to establish steel-making on the Greenwich Peninsula in the 1860s. The last major warship, HMS Thunderer, was launched in 1911.
The volume of shipping in the Port of London supported a very extensive ship repairing industry. In 1864, when most ships coming in were built of wood and powered by sail, there were 33 ship-repairing dry docks. The largest of these was Langley's Lower Dock at Deptford Green, which was 460 ft (140 m) in length. While the building of large ships ceased with the closure of the Thames Ironworks and Shipbuilding Company at Leamouth in 1912, the ship repairing trade continued to flourish. Although by 1930 the number of major dry docks had been reduced to 16, highly mechanised and geared to the repair of iron and steel-hulled ships.
There were also numerous power stations and gas works on the Thames and its tributaries and canals. Major Thames-side gasworks were located at Beckton and East Greenwich, with power stations including Brimsdown, Hackney and West Ham on the River Lea and Kingston, Fulham, Lots Road, Wandsworth, Battersea, Bankside, Stepney, Deptford, Greenwich, Blackwall Point, Brunswick Wharf, Woolwich, Barking, Belvedere, Littlebrook, West Thurrock, Northfleet, Tilbury and Grain on the Thames.
The coal requirements of power stations and gas works constituted a large proportion of London's post-war trade. A 1959 Times article  states:
About two-thirds of the 20 million tons of coal entering the Thames each year is consumed in nine gas works and 17 generating stations. Beckton Gas Works carbonises an average of 4,500 tons of coal every day; the largest power stations burn about 3,000 tons during a winter day..
This coal was handled directly by riverside coal handling facilities, rather than the docks. For example Beckton Gas Works had two large piers which dealt with both its own requirements and with the transfer of coal to lighters for delivery to other gasworks.
A considerable proportion of the drop in London's trade since the 1960s is accounted for by loss of the coal trade, the gas works having closed following discovery of North Sea Gas, domestic use of coal for heating being largely replaced by gas and electricity, and closure of all the coal-burning power stations above Tilbury. In 2011, when Tilbury Power Station switched fully to burning biomass, London's coal imports fell to zero.
With the use of larger ships and containerisation, the importance of the upstream port declined rapidly from the mid-1960s. The enclosed docks further up river declined and closed progressively between the end of the 1960s and the early 1980s. Trade at privately owned wharves on the open river continued for longer, for example with container handling at the Victoria Deep Water Terminal on the Greenwich Peninsula into the 1990s, and bulk paper import at Convoy's Wharf in Deptford until 2000. The wider port continued to be a major centre for trade and industry, with oil and gas terminals at Coryton, Shell Haven and Canvey in Essex and the Isle of Grain in Kent. In 1992 Government privatisation policy led to Tilbury becoming a freeport. The PLA ceased to be a port operator, retaining the role of managing the Thames.
The Port of London today comprises over 70 independently owned terminals and port facilities, directly employing over 30,000 people. These are mainly concentrated at Purfleet (with the world's largest margarine works), Thurrock, Tilbury (the Port's current main container facility), Coryton and Canvey Island in Essex, Dartford and Northfleet in Kent, and Greenwich, Silvertown, Barking, Dagenham and Erith in Greater London.
In 2012 London was the second largest port in the United Kingdom by tonnage handled (43.7 million), after Grimsby and Immingham (60 million). The Port of London however handles the most non-fuel cargo of any port in the UK (at 32.2 million tonnes in 2007). Other major rival ports to London in the country are Felixstowe and Southampton, which handle the most and second-most number of containers of British ports; in 2012 London handled the third most and the Medway ports (chiefly London Thamesport) the fifth.
The number of twenty-foot equivalent units of containers handled by the Port of London exceeded 2 million in 2007 for the first time in the Port's history and this continued in 2008. The Port's capacity in handling modern, large ships and containers is set to dramatically expand with the completion of the London Gateway port project, which will be able to handle up to 3.5 million TEUs per year when fully completed.
With around 12,500 commercial shipping movements annually, the Port of London handles around 10% of the UK commercial shipping trade, and contributes 8.5 billion pounds to the UK's economy. In addition to cargo, 37 cruise ships visited the Port in 2008.
Once a major refiner of crude oil, today the port only imports refined products. The Kent (BP) and Shell Haven (Shell) refineries closed in 1982 and 1999, and Coryton in 2012. A number of upstream wharves remain in use. At Silvertown for example Tate & Lyle continues to operate the world's largest cane sugar refinery, originally served by the West India Docks but now with its own cargo handling facilities. Many wharves as far upstream as Fulham are used for the handling of aggregates brought by barge from facilities down river. Riverside sites in London are under intense pressure for prestige housing or office development, and as a consequence the Greater London Authority in consultation with the PLA has implemented a plan to safeguard 50 wharves within Greater London, half above and half below the Thames Barrier.
In recent years there has been a resurgence in the use of the River Thames for moving cargo between terminals within the Port of London. This is seen to be in the main part due to the environmental benefits of moving such cargo by river, and as an alternative to transporting the cargo on the congested road and rail networks of the capital. Local authorities are contributing to this increase in intraport traffic, with waste transfer and demolition rubble being taken by barges on the river. At present the construction of the Olympic Park and Crossrail are both utilising the river as a means of transporting cargo and waste/excavation material. The Crossrail project alone will involve the transporting of 5 million tonnes of material (almost all of which is clean earth, excavated from the ground) downstream through the Port, from locations such as Canary Wharf to new nature reserves being constructed in the Thames estuary area.
In 2008, the figure for intraport trade was 1.9 million tonnes, making the River Thames the busiest inland waterway in the UK.
In terms of number of containers, London currently ranks third in the UK after the ports of Southampton and Felixstowe. This is likely to change in future as a major new facility at the Shell Haven refinery site - DP World's London Gateway - is under construction. Government approval was given in May 2007 for the redevelopment of this 607 hectares (1,500 acres) brownfield site, which has a two mile (3 km) river frontage. The developers plan a port capable of handling the largest deep-sea container ships, including a 2,300 metre long container quay with a capacity of 3.5 million standard container units a year. The development will also include a 300 hectares (740 acres) 'logistics and business park', with direct links to the rail network. This might re-establish London's pre-eminence as originally intended by the PLA in the 1960s with its proposed development of a deep-sea port at Maplin Sands as part of the proposed third London airport site.
The Port of London once had its own police force - the Port of London Authority Police - but is today policed by a number of forces. These are the local Home Office forces of the areas the Thames passes through (the Metropolitan, City of London, Essex and Kent constabularies) and the Port of Tilbury Police (formed in 1992 and a remnant of the old PLA force). The Metropolitan police have a special Marine Support Unit, formerly known as the Thames Division, which patrol and police the Thames in the Greater London area. A sixth police force in the Port may be established with the creation of the London Gateway port.