Back to today’s briefing

Story perspectives

UK Parliament Faces £13bn Decision on Essential Maintenance

1/4/2026

49 4 Full Breakdown

Summary

Story summary

The UK Parliament must decide whether to vacate the Houses of Parliament for essential maintenance, with implications for project duration and cost.
A full decant could cost £7bn-£13bn and take 12-20 years, while keeping MPs onsite would extend the project by 27-48 years and raise costs by about 60%.
Some MPs advocate for a full decant, while others prefer phased work.
A final report will guide the decision-making process.

1 of 1

Story summary

The UK Parliament must decide whether to vacate the Houses of Parliament for essential maintenance, with implications for project duration and cost.
A full decant could cost £7bn-£13bn and take 12-20 years, while keeping MPs onsite would extend the project by 27-48 years and raise costs by about 60%.
Some MPs advocate for a full decant, while others prefer phased work.
A final report will guide the decision-making process.