Transport for London
Transport for London (TfL) is a local government body responsible for most of the transport network in London, United Kingdom.
TfL is the successor organization of the London Passenger Transport Board, which was established in 1933, and His ...
contracted bus route in
London
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
Aldwych
Aldwych (pronounced ) is a street and the name of the List of areas of London, area immediately surrounding it, in the City of Westminster, part of Greater London, and is part of the West End of London, West End West End Theatre, Theatreland. T ...
, it is operated by
First Bus London
First Bus London is a bus operator running services across Greater London, England. It is a subsidiary of FirstGroup, operating buses under contract to Transport for London, and was formed with the purchase of RATP Dev Transit London from RATP ...
Alexander ALX400
The Alexander ALX400 (later known as the TransBus ALX400 and the Alexander Dennis ALX400) is a 2-axle double-decker bus body built by Walter Alexander Coachbuilders (later by TransBus International/ Alexander Dennis). It was one of the ALX-s ...
AEC Routemaster
The AEC Routemaster is a Front-engine, rear-wheel-drive layout, front-engined double-decker bus that was designed by London Transport Executive, London Transport and built by the Associated Equipment Company (AEC) and Park Royal Vehicles. The ...
s that had operated it since its inception.
In January 2009, the route's peak frequency was reduced from twelve buses per hour to ten, as part of
Transport for London
Transport for London (TfL) is a local government body responsible for most of the transport network in London, United Kingdom.
TfL is the successor organization of the London Passenger Transport Board, which was established in 1933, and His ...
's policy of reducing the number of buses using
Oxford Street
Oxford Street is a major road in the City of Westminster in the West End of London, running between Marble Arch and Tottenham Court Road via Oxford Circus. It marks the notional boundary between the areas of Fitzrovia and Marylebone to t ...
in order to reduce congestion and pollution by 10% in 2009 and a further 10% in 2010. The off-peak service already operated at this frequency. On 5 January 2009, a bus operating on the route crashed into a shop in Westbourne Grove after swerving to avoid a van, injuring ten people.
Later in 2009, Transport for London decided not to proceed with a possible change of the eastbound route in the Elgin Crescent area, following a consultation with residents and local interest groups. The proposal would have routed the eastbound 23 along Ladbroke Gardens instead of Elgin Crescent, while routes 52 and 452 would continue to run along Elgin Crescent in both directions. The most common benefit stated amongst supporters was fewer buses along the overcrowded Elgin Crescent; those opposing the change were concerned about safety at the junction of
Ladbroke Grove
Ladbroke Grove ( ) is a road in the Royal Borough of Kensington and Chelsea, London, England, which passes through Kensal Green and Notting Hill, running north–south between Harrow Road and Holland Park Avenue.
It is also the name of the sur ...
and Ladbroke Gardens, and the suitability of Ladbroke Gardens to accommodate a bus service.
First London had successfully retained route 23 with a new contract starting on 13 November 2010 and was included in the sale of First London's Westbourne Park garage to Tower Transit on 22 June 2013.
Tower Transit successfully retained route 23 with a new contract starting on 14 November 2015. On 30 September 2017 route 23 was withdrawn between
Aldwych
Aldwych (pronounced ) is a street and the name of the List of areas of London, area immediately surrounding it, in the City of Westminster, part of Greater London, and is part of the West End of London, West End West End Theatre, Theatreland. T ...
and Liverpool Street bus station.
On 24 November 2018 as part of a programme to reduce the number of bus routes traversing
Oxford Street
Oxford Street is a major road in the City of Westminster in the West End of London, running between Marble Arch and Tottenham Court Road via Oxford Circus. It marks the notional boundary between the areas of Fitzrovia and Marylebone to t ...
, the section of route 23 between
Marble Arch
The Marble Arch is a 19th-century white marble-faced triumphal arch in London, England. The structure was designed by John Nash in 1827 as the state entrance to the cour d'honneur of Buckingham Palace; it stood near the site of what is today th ...
and Aldwych was diverted to
Hammersmith
Hammersmith is a district of West London, England, 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 ...
, partly replacing route 10.
On 23 November 2022, it was announced that a proposed rerouting of route 23 at Hyde Park Corner to serve its previous terminus of Aldwych instead of Hammersmith, only now via
Green Park
The Green Park, one of the Royal Parks of London, is in the City of Westminster, Central London. Green Park is to the north of the gardens and semi-circular forecourt of Buckingham Palace, across Constitution Hill road. The park is in the m ...
,
Piccadilly Circus
Piccadilly Circus is a road junction and public space of London's West End of London, West End in the City of Westminster. It was built in 1819 to connect Regent Street with Piccadilly. In this context, a ''List of road junctions in the Unite ...
and
Trafalgar Square
Trafalgar Square ( ) is a public square in the City of Westminster in Central London. It was established in the early-19th century around the area formerly known as Charing Cross. Its name commemorates the Battle of Trafalgar, the Royal Navy, ...
, would be going ahead following a consultation; it was implemented on 29 April 2023.
On 28 February 2025, the route passed from London Transit to
First Bus London
First Bus London is a bus operator running services across Greater London, England. It is a subsidiary of FirstGroup, operating buses under contract to Transport for London, and was formed with the purchase of RATP Dev Transit London from RATP ...
FirstGroup
FirstGroup plc is a British multi-national transport group, based in Aberdeen, Scotland.Geoff Lloyd featured the route in the show ''Boring? The number 23 bus? Never!'' at the Boring Conference in December 2010.
Ladbroke Grove
Ladbroke Grove ( ) is a road in the Royal Borough of Kensington and Chelsea, London, England, which passes through Kensal Green and Notting Hill, running north–south between Harrow Road and Holland Park Avenue.
It is also the name of the sur ...
''
Sainsbury's
J Sainsbury plc, trading as Sainsbury's, is a British supermarket and the second-largest chain of supermarkets in the United Kingdom.
Founded in 1869 by John James Sainsbury with a shop in Drury Lane, London, the company was the largest UK r ...
Paddington station
Paddington, also known as London Paddington, is a London station group, London railway station and London Underground station complex, located on Praed Street in the Paddington area. The site has been the London terminus of services provided by ...
Piccadilly Circus
Piccadilly Circus is a road junction and public space of London's West End of London, West End in the City of Westminster. It was built in 1819 to connect Regent Street with Piccadilly. In this context, a ''List of road junctions in the Unite ...
*
Trafalgar Square
Trafalgar Square ( ) is a public square in the City of Westminster in Central London. It was established in the early-19th century around the area formerly known as Charing Cross. Its name commemorates the Battle of Trafalgar, the Royal Navy, ...
Aldwych
Aldwych (pronounced ) is a street and the name of the List of areas of London, area immediately surrounding it, in the City of Westminster, part of Greater London, and is part of the West End of London, West End West End Theatre, Theatreland. T ...