Stelling Properties is proud to have won ‘Most Innovative Urban Regeneration Project. at the 2025 Building Innovation Awards, recognising the delivery of Bargate House on Southampton High Street.
The award celebrates projects that demonstrate exceptional innovation, impact and creativity in revitalising urban environments. Bargate House stood out for successfully combining heritage restoration with advanced modular construction on a highly constrained city centre site.
What Made the Project Award Winning
Heritage led regeneration
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Transformation of a fire damaged, part listed former Bank of England building vacant for over ten years
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Careful restoration of the historic Portland stone façade and basement vaults
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Sensitive integration of contemporary architecture within a heritage setting
Pioneering modular construction
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121 fully finished volumetric modules manufactured offsite and installed within tight tolerances
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Hybrid construction approach rarely achieved on heritage projects
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Prefabricated lift and stair cores improving build certainty, safety and programme
Digital innovation reducing risk
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BIM and AI generated 3D walkthroughs used early to validate design and layouts
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Improved stakeholder engagement prior to manufacture
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Reduced risk and greater certainty on a complex urban site
Sustainability built in
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Whole Life Carbon Assessment guiding design decisions
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Less than 10% material waste compared to traditional construction
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High performance building envelope with average U values of 0.16 W/m²K
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95 panel solar PV array and reuse of existing basement structure reducing embodied carbon
Positive urban and social impact
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Regeneration of a long neglected city centre landmark
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Increased footfall and support for local businesses
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Purpose built student accommodation easing pressure on the private rental sector
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Engagement of local contractors and regional supply chain partners
Setting a New Benchmark for Urban Regeneration
Bargate House demonstrates how modular manufacturing can unlock complex, sensitive sites often considered unsuitable for offsite construction. It shows that modern methods of construction can deliver high quality, sustainable buildings while respecting heritage and contributing meaningful social value.
This award reinforces Stelling Properties’ position as a modular manufacturer capable of delivering innovative urban regeneration projects for developers, contractors and local authorities across the UK.
