Contract award · 3 Dec 2025

Portcullis House Lifecycle Replacement Project

House of Commons awarded “Portcullis House Lifecycle Replacement Project” to Willmott Dixon Construction Ltd for £58.9m on 3 Dec 2025.

Construction workLondon

Value £58.9m

Competition with a shortlist

Competitive procedure with a selection stage: suppliers were shortlisted before being invited to bid.

Key facts

Value
£58,929,389.40
Procedure
Call-off from a framework agreement
Sector
Construction work · Building installation work (CPV 45300000)
Region
London
Timeline
  1. Contract date3 Dec 2025
  2. Published1 May 2026Published 149 days after the contract date

Description

The PCH M&E Lifecycle Replacement Project works are for the replacement of the life expired MEP systems throughout the building as detailed within the Scope and based on a case-by-case assessment to repair, enhance, replace, or renew each system throughout the building including heating, cooling, water, fire, and ventilation systems. The contractor is responsible for developing the design to RIBA Stage 4 specific. The contract is in two stages and allows for Early Contractor Involvement (ECI). The total contract value covers Stage 1 (ECI) (value: £5,920,669.37), and Stage 2 (partial tendered value: £18,810,958.80). The full value of Stage 2 will only be known at the end of Stage 1, once the design is complete. The estimated value of the entire contract (Stage 1 and Stage 2) is between £40m and £50m.

About the supplier

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