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Sweco plays key role in net zero mixed-use redevelopment plans for Colechurch House in London Bridge

Sweco’s building services and performance teams are celebrating this week, following the news that CIT’s Colechurch House in London Bridge – set to be an entirely net zero project – has been given approval for redevelopment by Southwark Council. The Colechurch House redevelopment will include office space alongside a public park and a new home for the Southwark Playhouse theatre.

In addition to net zero carbon, Colechurch House has a predicted CO2 reduction of 55% below a typical office building, and a 75% reduction in operational energy. Embodied carbon targets are also set to fall well below industry expectation.

Featuring green energy initiatives and gardens on every floor, the c.520,000 sq ft scheme will also exceed the current minimum standards for carbon reduction, targeting CO2 savings of 55% relative to standard UK building stock.

Sweco project value adds

  • MEP Engineering
  • Energy
  • Sustainability
  • Vertical Transportation
  • Fire Engineering
  • ICT/AV and smart building
  • Security design
  • Ecology
  • Acoustic Engineering

Contact Peter Hale or Kartik Amrania for more details on our involvement at Colechurch House.

A highly optimised façade will significantly reduce energy consumption, supported by mixed-mode ventilation (opening windows), ground source energy piles and on-site green energy generation comprising extensive photovoltaic panels. As an additional highlight, the development will have the deepest ground sourced boreholes in the UK once complete (400m deep).

Overall, this exemplar project will ultimately set the benchmark for all new city office buildings in terms of energy, occupant wellbeing and holistic sustainability objectives.

Modern occupiers demand the best in ESG credentials, and our new Colechurch House development is set to be a genre-defining building that will lead the way for sustainable office space, placemaking and community value in the heart of London Bridge – one of the capital’s best connected locations that has evolved dramatically over the past decade.


Designed collaboratively and prioritising social and environmental wellbeing, the net zero development will also provide far reaching benefits for Southwark through the new theatre space, public park and significant employment creation. Following extensive community consultation, the addition of the new lightweight footbridge to our plans will create vastly improved commuter access.

Steve Riddell Head of Development at CIT

At Sweco, our built environment engineers and building consultants are committed to delivering excellence through design. We are recognised globally for our ingenuity, creativity and dedication, meeting the needs of our clients across all sectors. We are proud of our expertise. We celebrate engineering excellence and we champion clear, collaborative communication. Our services are market-leading and our clients recognise us as their most reliable and committed partner.