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Delays Could Add £420 Million Annually to Westminster Renovation

6/16/2026

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Summary

Story summary

The National Audit Office warns that each year the Palace of Westminster’s restoration is postponed could add as much as £420 million to the final bill.
The NAO reports that delays are raising projected refurbishment costs by £320-£420 million annually.
Parliamentary committees outline a phased restoration lasting 38-61 years with a total price tag up to £39.2 billion.
They estimate a full-decant option would cost £15.6 billion for 19-24 years.

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Story summary

The National Audit Office warns that each year the Palace of Westminster’s restoration is postponed could add as much as £420 million to the final bill.
The NAO reports that delays are raising projected refurbishment costs by £320-£420 million annually.
Parliamentary committees outline a phased restoration lasting 38-61 years with a total price tag up to £39.2 billion.
They estimate a full-decant option would cost £15.6 billion for 19-24 years.