Tender: Geotechnical and Geo-environmental Survey at Lilestone Street – Lisson Grove Programme (City of Westminster)

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City of Westminster is seeking a suitably qualified and experienced specialist geotechnical consultant to undertake ground investigation works at Lilestone Street as part of the Lisson Grove Programme. The appointed consultant will carry out geotechnical and geo-environmental investigations to establish detailed information on ground conditions, groundwater levels and associated constraints; the outputs will inform preparation of a Basement Impact Assessment for a forthcoming planning application and provide an evidence base for structural design development, construction risk management and cost certainty across the scheme. This procurement will be run as a below-threshold open procedure, advertised via the Authority’s e-tendering portal (Jaggaer), with bids invited from suppliers with demonstrable experience in comparable geotechnical investigation services, and will follow the principles of the Procurement Act 2023. The tender period will be open for a minimum of 20 calendar days and feedback will be provided to all participating bidders after contract award.