Tender: Design and Installation of Roof-Mounted Solar PV System – Grange Leisure and Community Centre, Swindon

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Parkwood Group is seeking a supplier for the design and installation of a roof-mounted Solar PV system at Grange Leisure and Community Centre, Grange Dr, Swindon SN3 4JY, to optimise existing roof space and generate electricity as part of its carbon reduction efforts. The tender covers supply and installation of photovoltaic panels, mounting structures, Solis grid-tied inverters (minimum 93–96% efficiency), electrical wiring, monitoring via the Solis interface, and associated components; batteries are not anticipated. The successful tenderer must carry out a structural assessment of the roof, submit prior-approval/permitted development planning and the DNO G99 application (and manage any follow-up permissions such as G100 and ongoing DNO liaison, including witness testing), comply with building regulations and CDM 2015 (acting as Principal Contractor/Principal Designer where applicable), provide required warranties (solar panels 20 years, inverters 10 years with option for extension, mounting system 20 years and a 5-year collateral warranty from the contractor), provide commissioning, an O&M manual, handover training and 12 months of soft-landing support, and allow for scaffold access and potential electrical infrastructure upgrades. The project budget is stated as £50,000+VAT. Key dates: tender issued 13/10/2025, tender deadline 14/11/2025, tender review 17/11/2025–28/11/2025, clarifications 28/11/2025–12/12/2025, and tender award 08/01/2026; detailed design and construction start are TBC.