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59-595: Hammersmith is a district of West London , England, 4.3 miles (6.9 km) southwest of Charing Cross . It is the administrative centre of the London Borough of Hammersmith and Fulham , and identified in the London Plan as one of 35 major centres in Greater London . It is bordered by Shepherd's Bush to the north, Kensington to the east, Chiswick to the west, and Fulham to the south, all on

118-642: A Hammersmith Society Conservation award plaque (2009) and has been included in tours in Architecture Week. Several of Hammersmith's pubs are listed buildings , including the Black Lion , The Dove , The George , The Hop Poles , the Hope and Anchor , the Salutation Inn and The Swan , as are Hammersmith's two parish churches , St Paul's (the town's original church, rebuilt in

177-428: A battery is usually expressed indirectly by its capacity in ampere-hours ; to convert ampere-hour (Ah) to watt-hours (Wh), the ampere-hour value must be multiplied by the voltage of the power source. This value is approximate, since the battery voltage is not constant during its discharge, and because higher discharge rates reduce the total amount of energy that the battery can provide. In the case of devices that output

236-762: A basketball court, a bowling lawn, a paddling pool, and playgrounds. Hammersmith is the historical home of the West London Penguin Swimming and Water Polo Club , formerly known as the Hammersmith Penguin Swimming Club . Hammersmith Chess Club has been active in the borough since it was formed in 1962. It was initially based in Westcott Lodge , later moving to St Paul's Church, then to Blythe House and now Lytton Hall, near West Kensington tube station . The area

295-401: A change over time. For example: miles per hour, kilometres per hour, dollars per hour. Power units, such as kW, already measure the rate of energy per unit time (kW= kJ / s ). Kilowatt-hours are a product of power and time, not a rate of change of power with time. Watts per hour (W/h) is a unit of a change of power per hour, i.e. an acceleration in the delivery of energy. It is used to measure

354-442: A different voltage than the battery, it is the battery voltage (typically 3.7 V for Li-ion ) that must be used to calculate rather than the device output (for example, usually 5.0 V for USB portable chargers). This results in a 500 mA USB device running for about 3.7 hours on a 2,500 mAh battery, not five hours. The Board of Trade unit (B.T.U.) is an obsolete UK synonym for kilowatt-hour. The term derives from

413-511: A geographical description in the 19th century. Like other areas of the capital, West London grew rapidly in the Victorian era as a result of railway-based commuting; with the building of the termini at Paddington and Marylebone , and the lines radiating from them, having a particularly profound effect. This trend continued in the twentieth century and was subsequently reinforced by motorcar-based commuting. The size of London stabilised after

472-545: A shopping centre, bus station, an Underground station and an office complex. Stretching about 750 m (820 yd) westwards from this centre is King Street , Hammersmith's main shopping street. Named after John King, Bishop of London , it contains a second shopping centre ( Livat Hammersmith ), many small shops, the town hall , the Lyric Theatre , a cinema, the Polish community centre and two hotels. King Street

531-454: A unit in the left column to the units in the top row, multiply by the factor in the cell where the row and column intersect. All the SI prefixes are commonly applied to the watt-hour: a kilowatt-hour is 1,000 Wh (kWh); a megawatt-hour is 1 million Wh (MWh); a milliwatt-hour is 1/1,000 Wh (mWh) and so on. The kilowatt-hour is commonly used by electrical energy providers for purposes of billing, since

590-485: A yearly basis, in units such as megawatt-hours per year (MWh/yr) gigawatt-hours/year (GWh/yr) or terawatt-hours per year (TWh/yr). These units have dimensions of energy divided by time and thus are units of power. They can be converted to SI power units by dividing by the number of hours in a year, about 8760 h/yr . Thus, 1 GWh/yr = 1 GWh/8760 h ≈ 114.12 kW . Many compound units for various kinds of rates explicitly mention units of time to indicate

649-578: Is a non-SI unit of energy equal to 3.6 megajoules (MJ) in SI units, which is the energy delivered by one kilowatt of power for one hour . Kilowatt-hours are a common billing unit for electrical energy supplied by electric utilities . Metric prefixes are used for multiples and submultiples of the basic unit, the watt-hour (3.6 kJ). The kilowatt-hour is a composite unit of energy equal to one kilowatt (kW) sustained for (multiplied by) one hour. The International System of Units (SI) unit of energy meanwhile

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708-536: Is calculated by multiplying the device's power consumption in kilowatts by the operating time in hours, and by the price per kilowatt-hour. The unit price of electricity charged by utility companies may depend on the customer's consumption profile over time. Prices vary considerably by locality. In the United States prices in different states can vary by a factor of three. While smaller customer loads are usually billed only for energy, transmission services, and

767-450: Is measured in watts , or joules per second . For example, a battery stores energy. When the battery delivers its energy, it does so at a certain power, that is, the rate of delivery of the energy. The higher the power, the quicker the battery's stored energy is delivered. A higher power output will cause the battery's stored energy to be depleted in a shorter time period. Electric energy production and consumption are sometimes reported on

826-445: Is often expressed as terawatt-hours (TWh) for a given period that is often a calendar year or financial year . A 365-day year equals 8,760 hours, so over a period of one year, power of one gigawatt equates to 8.76 terawatt-hours of energy. Conversely, one terawatt-hour is equal to a sustained power of about 114 megawatts for a period of one year. In 2020, the average household in the United States consumed 893 kWh per month. Raising

885-650: Is on the main A4 trunk road heading west from central London towards the M4 motorway and Heathrow Airport . The A4, a busy commuter route, passes over the area's main road junction, Hammersmith Gyratory System, on a long viaduct, the Hammersmith Flyover . Hammersmith Bridge closed in August 2020 to pedestrians, cyclists and road traffic, severing the link with Barnes in the southwest. Its cast iron pedestals that hold

944-541: Is supplemented by other shops along Shepherds Bush Road to the north, Fulham Palace Road to the south and Hammersmith Road to the east. Hammersmith's office activity takes place mainly to the eastern side of its centre, along Hammersmith Road and in the Ark , an office complex to the south of the flyover which traverses the area. Charing Cross Hospital on Fulham Palace Road is a large multi-disciplinary NHS hospital with accident & emergency and teaching departments run by

1003-474: Is the joule (symbol J). Because a watt is by definition one joule per second , and because there are 3,600 seconds in an hour, one kWh equals 3,600  kilojoules or 3.6 MJ. A widely used representation of the kilowatt-hour is kWh , derived from its component units, kilowatt and hour. It is commonly used in billing for delivered energy to consumers by electric utility companies, and in commercial, educational, and scientific publications, and in

1062-474: Is thought to have carried Watling Street over the Thames in the vicinity. Tradition dates the foundation to the 7th Century AD with written records dating back to the 960s or early 970s. The Island and surrounding area became known as Westminster in reference to the church. The legendary origin is that in the early 7th century, a local fisherman named Edric ferried a stranger in tattered foreign clothing over

1121-565: Is used to differentiate the area from other informal radial divisions of London, the Metropolitan Compass ; North London , East London and South London . The term "West London" has been used for a variety of formal purposes with the boundaries defined according to the purposes of the designation. The 2011 iteration of the London Plan included an altered "West" sub-region, to be used for planning, engagement, resource allocation and progress reporting purposes. It consists of

1180-471: Is used to differentiate the area from the other parts of London: Central London , North London , East London and South London . West London was part of the historic county of Middlesex . Early West London had two main focuses of growth, the area around Thorney Island , site of Westminster Abbey and the Palace of Westminster , and ribbon development heading west - towards Westminster - from gates in

1239-467: Is used with loads or output that vary during the year but whose annual totals are similar from one year to the next. For example, it is useful to compare the energy efficiency of household appliances whose power consumption varies with time or the season of the year. Another use is to measure the energy produced by a distributed power source. One kilowatt-hour per year equals about 114.08 milliwatts applied constantly during one year. The energy content of

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1298-463: The Guinness Book of Records listed as the smallest bar room in the world, in 2016 surviving as a small space on the right of the bar. The pub was frequented by Ernest Hemingway and Graham Greene ; James Thomson lodged and likely wrote Rule Britannia here. The narrow alley in which it stands is the only remnant of the riverside village of Hammersmith, the bulk of which was demolished in

1357-512: The Imperial College School of Medicine . "The Ark" office building , designed by British architect Ralph Erskine and completed in 1992, has some resemblance to the hull of a sailing ship. Hammersmith Bridge Road Surgery was designed by Guy Greenfield. 22 St Peter's Square , the former Royal Chiswick Laundry and Island Records HQ, has been converted to architects' studios and offices by Lifschutz Davidson Sandilands . It has

1416-531: The London Boroughs of Brent , Harrow , Ealing , Hammersmith and Fulham , Hillingdon , Hounslow and Richmond upon Thames . As well as including outer areas of West London, the sub-region also includes areas south of the river, not usually counted as part of West London; areas of the cross-river London Borough of Richmond upon Thames . The 2004-2008 and 2008-2011 versions of the sub-region varied in their composition. The W (Western) postcode area

1475-666: The Mayor of London in 2011 referred to the London boroughs of Brent , Harrow , Ealing , Hammersmith and Fulham , Hounslow , Richmond , and Hillingdon as West London. Some parts of West London, such as Westminster and the West End are also a part of Central London , an area which also lacks precise definition. The London Borough of Richmond upon Thames spans the River Thames so its status can be ambiguous. The term West London

1534-433: The annual electricity generation for whole countries and the world energy consumption . A kilowatt is a unit of power (rate of flow of energy per unit of time). A kilowatt-hour is a unit of energy. Kilowatt per hour would be a rate of change of power flow with time. Work is the amount of energy transferred to a system; power is the rate of delivery of energy. Energy is measured in joules , or watt-seconds . Power

1593-560: The walls of the City of London . In the 17th century these areas of growth would be linked by high status new developments, which formed a focal point in their own right, later becoming known as the West End of London . The development of the area began with the establishment of the Abbey on a site then called Thorney Island , the choice of site may in part relate to the natural ford which

1652-483: The 12th century, has been described as London's First West End . From the 15th to 17th centuries, growth along the roads from Ludgate ( Fleet Street and The Strand ) and Newgate ( Holborn and High Holborn ) accelerated, and came to extend far beyond Farringdon Without, into Holborn , Bloomsbury and Westminster . Urban growth extending from the Westminster urban area, linked up with that extending from

1711-608: The 1890s) and St Peter's , built in the 1820s. Riverside Studios is a cinema, performance space, bar and cafe. Originally film studios, Riverside Studios were used by the BBC from 1954 to 1975 for television productions. The Lyric Hammersmith Theatre is just off King Street. Hammersmith Apollo concert hall and theatre (formerly the Carling Hammersmith Apollo, the Hammersmith Odeon, and before that

1770-467: The 1930s. Furnivall Gardens , which lies to the east, covers the site of Hammersmith Creek and the High Bridge. Leisure activity also takes place along Hammersmith's pedestrianised riverside, home to the pubs of Lower Mall, rowing clubs and the riverside park of Furnival Gardens . Hammersmith has a municipal park, Ravenscourt Park , to the west of the centre. Its facilities include tennis courts,

1829-617: The 20 megawatt (MW) coal-fired power station redundant. It closed in 1965; in its final year of operation it delivered 5,462 MWh of electricity to the borough. Hammersmith is located at the confluence of one of the arterial routes out of central London (the A4 ) with several local feeder roads and a bridge over the Thames. The focal point of the district is the commercial centre (the Broadway Centre) located at this confluence, which houses

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1888-647: The City in the time of Henry VIII . It was at around that time that Westminster first acquired City status. In the mid 17th century Henry Jermyn , was instrumental in developing the St James's and Mayfair districts of Westminster. These districts provided a fashionable new focus for western London, that came to be known as the West End . Jermyn would become known as the Father of the West End . In 1720, John Strype 's "Survey of London" described Westminster as one of

1947-476: The City, ensured that western London was the fastest growing part of early London. The growth of the City of London beyond its city walls was much faster outside the western gates of Ludgate and Newgate than it was outside the gates to the north or to the east; this rapid growth was due to the roads from these western gates leading to the political centre of Westminster. The large and prosperous extra-mural ward of Farringdon Without , extensively urbanised during

2006-481: The Gaumont Cinema) is just south of the gyratory. The former Hammersmith Palais nightclub has been demolished and the site reused as student accommodation. The Polish Social and Cultural Association is on King Street. It contains a theatre, an art gallery and several restaurants. Its library has one of the largest collections of Polish-language books outside Poland. The Dove is a riverside pub with what

2065-701: The London Plan's thirty-eight Opportunity Areas are part of West London; Kensal Canalside , Paddington , Earl's Court and West Kensington , Harrow and Wealdstone , Park Royal , Old Oak Common , Southall , Tottenham Court Road , Victoria, Wembley and White City . London Heathrow Airport is a major employer in West London, and the University of West London has more than 47,000 students. Kilowatt hour A kilowatt-hour ( unit symbol : kW⋅h or kW h ; commonly written as kWh )

2124-415: The SI. An electric heater consuming 1,000 watts (1 kilowatt) operating for one hour uses one kilowatt-hour of energy. A television consuming 100 watts operating continuously for 10 hours uses one kilowatt-hour. A 40-watt electric appliance operating continuously for 25 hours uses one kilowatt-hour. Electrical energy is typically sold to consumers in kilowatt-hours. The cost of running an electrical device

2183-456: The Thames to Thorney Island . It was a miraculous appearance of St Peter , a fisherman himself, coming to the island to consecrate the newly built church, which would subsequently develop into Westminster Abbey. He rewarded Edric with a bountiful catch when he next dropped his nets. Edric was instructed to present the King and St. Mellitus, Bishop of London with a salmon and various proofs that

2242-422: The area include the boroughs of Brent and Harrow , taking ancient Watling Street as the boundary in those outer areas. The Grand Union Canal is West London's major internal waterway. West London is bordered by the administrative counties of Surrey to the south west and south; Berkshire to the west and north west; Buckinghamshire to the north west; and Hertfordshire to the north. A publication by

2301-519: The consecration had already occurred . Every year on 29 June, St Peters day, the Worshipful Company of Fishmongers presents the Abbey with a salmon in memory of this event. The Palace of Westminster subsequently developed, with Parliament being based there from its establishment in 1265. The presence of the centre of government as a distinct focus for growth, accompanied by the proximity of

2360-558: The daily variation of demand (e.g. the slope of the duck curve ), or ramp-up behavior of power plants . For example, a power plant that reaches a power output of 1 MW from 0 MW in 15 minutes has a ramp-up rate of 4 MW/h . Other uses of terms such as watts per hour are likely to be errors. Several other units related to kilowatt-hour are commonly used to indicate power or energy capacity or use in specific application areas. Average annual energy production or consumption can be expressed in kilowatt-hours per year. This

2419-686: The establishment of the Metropolitan Green Belt shortly after the Second World War . West London is an informally and inexactly defined area lying north of the River Thames and extends west from the edge of the City of London , to West London's historic and commercial core of Westminster and the West End , on to the Greater London boundary, much of which is formed by the River Colne . Some interpretations of

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2478-527: The home of the Pocket family. Pip resides with the Pockets in their house by the river and goes boating on the river. William Morris 's utopian novel News from Nowhere (1890) describes a journey up the river from Hammersmith towards Oxford . In 1930, Gustav Holst composed Hammersmith , a work for military band (later rewritten for orchestra), reflecting his impressions of the area, having lived across

2537-537: The junction of Queen Caroline Street and King Street in the west to the junction of Hammersmith Road and Butterwick in the east. It forms the north side of the gyratory system also known as Hammersmith Roundabout. The Broadway Shopping Centre includes a major bus station. The length of King Street places the westernmost shops and offices closest to Ravenscourt Park Underground station on the District line , one stop west of Hammersmith itself. The first Hammersmith Bridge

2596-544: The media. It is also the usual unit representation in electrical power engineering. This common representation, however, does not comply with the style guide of the International System of Units (SI). Other representations of the unit may be encountered: The hour is a unit of time listed among the non-SI units accepted by the International Bureau of Weights and Measures for use with

2655-403: The monthly energy consumption of a typical residential customer ranges from a few hundred to a few thousand kilowatt-hours. Megawatt-hours (MWh), gigawatt-hours (GWh), and terawatt-hours (TWh) are often used for metering larger amounts of electrical energy to industrial customers and in power generation. The terawatt-hour and petawatt-hour (PWh) units are large enough to conveniently express

2714-833: The murder of Thomas Millwood in Beaver Lane, Hammersmith. Called the Hammersmith Ghost murder case , it set a unique standard in English legal history. In 1868, Hammersmith was the name of a parish, and of a suburban district, within the hundred of Ossulstone , in the county of Middlesex . Major industrial sites included the Osram lamp factory at Brook Green , the J. Lyons factory (which at one time employed 30,000 people). During both World Wars , Waring & Gillow 's furniture factory, in Cambridge Grove , became

2773-529: The name derived from two 'Saxon' words: the initial Ham from ham and the remainder from hythe , alluding to Hammersmith's riverside location. In 1922, Gover proposed that the prefix was a personal name, Heahmaer or Hæmar, and stating that the suffix must be Anglo-Saxon from -myðe, meaning the junction of two rivers, as Hammersmith Creek merged with the Thames here. The earliest spelling is Hamersmyth in 1294, with alternative spellings of Hameresmithe in 1312, Hamyrsmyth in 1535, and Hammersmith 1675. The district

2832-444: The north bank of the River Thames . The area is one of west London's main commercial and employment centres, and has for some decades been a major centre of London's Polish community . It is a major transport hub for west London , with two London Underground stations and a bus and coach station at Hammersmith Broadway . Hammersmith may mean "(Place with) a hammer smithy or forge", although, in 1839, Thomas Faulkner proposed that

2891-423: The rated capacity, larger consumers also pay for peak power consumption, the greatest power recorded in a fairly short time, such as 15 minutes. This compensates the power company for maintaining the infrastructure needed to provide peak power. These charges are billed as demand changes. Industrial users may also have extra charges according to the power factor of their load. Major energy production or consumption

2950-542: The river in Barnes for nearly forty years. It begins with a haunting musical depiction of the River Thames flowing underneath Hammersmith Bridge. Holst taught music at St Paul's Girls' School and composed many of his most famous works there, including his The Planets suite. A music room in the school is named after him. Holst dedicated Hammersmith : "To the Author of " The Water Gypsies ". West London The term

3009-576: The site of aircraft manufacture. Hammersmith Borough Council had provided the borough with electricity since the early twentieth century from Hammersmith power station . Upon nationalisation of the electricity industry in 1948 ownership passed to the British Electricity Authority and later to the Central Electricity Generating Board . Electricity connections to the national grid rendered

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3068-407: The smoke drifting from the crowded City. A further factor facilitating rapid growth in West London was the very large number of bridges linking the area to South London and the area beyond; by contrast, even today, there are no bridges east of Tower Bridge , partly as the river becomes wider as it heads east. The term "West End of London" gained widespread currency as a proper noun, rather than just

3127-554: The suspension system in place had become unsafe. The centre of Hammersmith is served by two London Underground stations named Hammersmith: one is served by the Hammersmith & City and Circle lines and the other is served by the Piccadilly and District lines. The latter station is part of a larger office, retail and transport development, locally known as "The Broadway Centre". Hammersmith Broadway stretches from

3186-403: The temperature of 1 litre of water from room temperature to the boiling point with an electric kettle takes about 0.1 kWh. A 12 watt LED lamp lit constantly uses about 0.3 kW⋅h per 24 hours and about 9 kWh per month. In terms of human power , a healthy adult male manual laborer performs work equal to about half a kilowatt-hour over an eight-hour day. To convert a quantity measured in

3245-470: The then four distinct areas of London; in it he describes the City of London , Westminster (West London) , Southwark (South London) , and 'That Part beyond the Tower' (East London) . The area now usually referred to as North London developed later. As well as the proximity of the centre of government, the West End was long favoured by the rich elite as a place of residence because it was usually upwind of

3304-476: Was a chapelry of the ancient parish of Fulham , but became a fully independent parish in 1631. In the early 1660s, Hammersmith's first parish church, which later became St Paul's , was built by Sir Nicholas Crispe who ran the brickworks in Hammersmith. It contained a monument to Crispe as well as a bronze bust of King Charles I by Hubert Le Sueur . In 1696 Sir Samuel Morland was buried there. The church

3363-477: Was completely rebuilt in 1883, but the monument and bust were transferred to the new church. In 1745, two Scots, James Lee and Lewis Kennedy , established the Vineyard Nursery , over six acres devoted to landscaping plants. During the next hundred and fifty years the nursery introduced many new plants to England, including fuchsia and the standard rose tree . 1804 saw the trial of Francis Smith for

3422-545: Was designed by William Tierney Clark and opened in 1827 and was the first suspension bridge crossing the River Thames . It was redesigned by Joseph Bazalgette , and reopened in 1887. In August 2020, it closed to pedestrians, cyclists and road traffic as the cast iron pedestals that hold the suspension system in place became unsafe. Work began to improve the structural integrity of the bridge in 2022. Hammersmith features in Charles Dickens ' Great Expectations as

3481-470: Was introduced in 1857 to facilitate the distribution of mail. The postcode area is a sub-set of West London. The London Plan defines two areas of London as International Centres, the West End and Knightsbridge , both in west London. Five of the thirteen Metropolitan Centres in the plan are also in West London: Ealing , Hounslow , Harrow , Uxbridge and Shepherd's Bush . Eleven of

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