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Design changes in Northern Line extension could hike costs by £240m

The cost of the Northern Line extension to Battersea Power Station could increase by £240m because of the need to redesign part of the station.

Last month, Transport for London’s (TfL’s) Finance and Policy Committee met to discuss the need to approve supplemental agreements with the developer after the design became “very different from that originally intended and contracted”.

Yesterday, the Evening Standard reported that the changes included a new ‘station box’ to allow passengers to emerge directly from the station into the Prospect Place complex of apartment buildings, designed by Frank Gehry.

TfL is now in talks with the consortium of three Malaysian companies, SP Setia, Sime Derby and the Employee’s Provident Fund, to try to decide who will meet the changing costs, which have not been calculated but could add £240m to the final bill.

David Hughes, director of major programme sponsorship at London Underground, said: “Changes have been made to the proposed development and the new Tube station beneath. These design changes will lead to an increase in the overall cost of the project.

“We are in constructive discussions with the developer about how this cost will be attributed. We are now working with Battersea Power Station to agree the necessary changes to the contractual arrangements between us to reflect these revised designs.”

The changes could also require a revision of a £500m contract awarded in 2014 to Ferrovial Agroman Laing O’Rourke JV in order to cover more work.

A Battersea Power Station spokesperson added: “Provision for design changes was made at the outset, given the scale and complexity of this major infrastructure project. TfL and BPS are working collaboratively on those designs and any related costs.”

(Image c. JLL Residential)

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Nonsuchmike   20/05/2016 at 13:02

This must be the vanity project to trump all vanity projects finishing, as it is, in the middle of nowhere - ie near Battersea Power station. For the extra amount now being touted to "redesign" the station to pander to foreign investors in luxury flats, the line could have been routed in reality with two more stations and a terminus under the sheds/spare lines @ Clapham Junction. The two extra stations should be between Prince of Wales Drive and Carriageway South and the other by Latchmere Road - maybe under Falcon Park. These two stations would actually serve the Community rather than a wealthy group of invisible investors, plus, a great interchange for commuters avoiding the crush @ Waterloo and/or Victoria and still leave space for a Crossrail 2 station. In this way you get a decent length of underground line with the maximum potential for usage and interconnectability instead of a vanity project for the super rich.

Jerry Alderson   20/05/2016 at 14:51

I've just recently finished a three-year assignment in Vienna and have followed how transport schemes are done there. They are currently extending their U1 underground line further south by almost 5km and building five new stations. The stations in Vienna are of a higher quality than we have in Britain - they all have wide platforms, two entrances, multiple (glass) lifts as well as escalators and stairs. The cost of that scheme, which is twice the scale of the Northern Line is being done for about half the price. Construction began in 2012 and will be finished in 2017. Part of the reason for lower costs is that as soon as they are continuously extending the U-Bahn system. As one project winds down they start another one. The last U2 extension opened in 2013. In 2017 they will then start work on a new line (U5).

Andrew Gwilt   20/05/2016 at 17:57

Hopefully the Northern Line extension to Battersea could also have a phase 2 extension to Clapham Junction or Battersea Park.

Andrew   22/05/2016 at 11:05

Clapham Junction has been deliberately eschewed as a terminus as the volume of interchange passengers it would attract would be unmanageable. That might change after Crossrail 2 with fewer suburban commuter trains going into Waterloo.

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