Key Update – October 2024
In July 2024, the City of London’s Planning & Transportation Committee deferred determining the application for the redevelopment of 1 Undershaft, inviting the team to consider comments made at the committee. These comments particularly focussed on the relationship between the lower parts of the proposed building and St Helen’s Square.
In response, the team have made a number of amendments to the application, whereby:
Welcome to our dedicated consultation website for the new proposals for the redevelopment of 1 Undershaft, currently the site of St. Helen’s building (also known as the Aviva Tower) in the centre of London’s financial district.
We have recently submitted our amended plans to the City of London Corporation, and more information about the changes can be found within the website.
If you have any further questions or would like to get in touch with the project team please email 1undershaft@kandaconsulting.co.uk

Stanhope PLC is a property developer and asset manager with 25 years of experience in delivering high-quality developments that optimise value for partners and communities in London. They are known for their strong partnership approach and innovative responses to complex urban development opportunities.
Eric Parry Architects design and create high-quality, people focused, sustainable buildings that enhance their surroundings. They have a proven track record working across London on notable schemes including 50 Fenchurch Street, No.1 Grosvenor Square, and One Liverpool Street.
DP9 is established as one of the leading expert consultancies in planning, development, and regeneration in the UK.
DP9 has a proven track record of delivering high profile planning consents and is currently advising on more than 500 live projects, ranging from small scale instructions to large, complex master planning proposals across all sectors.
Kanda Consulting are leading on the consultation and engagement for the proposals. They are passionate about creating great places to live, work and visit and have a deep understanding of the local area. They believe in achieving social value and sustainable development through positive community engagement.
SLA design cities, public space, and nature on all scales: From national biodiversity strategies to local citizens’ engagement processes. Their work helps people, cities, businesses, governments and nature itself. They adopt an interdisciplinary approach to create liveable and sustainable places.
WSP is a leading multi-disciplinary professional services consulting business, providing engineering and environmental services from strategy advisory and planning through to design and delivery. Delivering from advisory to delivery, they co-create solutions for more resilient communities and environments for today and the future. In doing so, we are creating a world in which everyone is accountable for tomorrow.
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