Thames Water awards Kier Infrastructure £280M Maple Lodge STW upgrade contract

Thames Water has awarded Kier Infrastructure an AMP8 contract for a major upgrade at its Maple Lodge Sewage Treatment Works, with an estimated value between £140 million and £280 million. The project includes new inlet screens, storm tanks, activated sludge plant, and final settlement tanks.

“Thames Water has awarded an AMP8 contract for a major upgrade at its Maple Lodge Sewage Treatment Works with a current estimated value between £140 million to £280 million (inc VAT).”waterbriefing.org

• 1 source
• waterbriefing.orgThames Water awards major AMP8 contract for Maple Lodge Sewage Treatment Works upgrade worth up to £280mFeb 18, 2026

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