Caroline Pidgeon, Leader of the Liberal Democrats on the London Assembly says spreading the closures over such a long period of time is more disruptive to passengers.
What do you think? Join us on Facebook and let us know how you'd prefer Transport for London plan closures like these. Does spreading the maintenance over 18 months work for you? Or would you prefer all the closures to happen at once?
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A lamp in the tower which houses Big Ben is to be switched off for the first time in more than 70 years.
Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.