The City Architecture Forum is a membership group for anyone interested in the architecture, urban design, public realm and planning of the City of London.

Next Event

Tour: One Liverpool Street

Wednesday, 15 April 2026, 3:00 pm - 4:30 pm

1 Liverpool St , 1 Liverpool Street, London, EC2M 7AY

Join the City Architecture Forum for a tour of One Liverpool Street, a 10-storey office and Elizabeth Line Oversite Development (OSD).

One Liverpool Street is a new-build 10-storey office building and Elizabeth Line Oversite Development (OSD) designed by Eric Parry Architects. Visible from Finsbury Circus the finely crafted façades include sand-cast aluminium elements. The calm and ordered exterior belies the structural gymnastics required to bridge the live Metropolitan Line tracks and span over a seven-storey ventilation shaft onto limited foundations and basements.

We will take you on a tour of the development as it nears completion explaining the joint venture that enabled an amalgamated site and commercial viability, and the architectural design and complex engineering to deliver this. The building’s…

Insights

Refurbishing retrofit as ‘FutureFit’

By Lee Mallett

Rebranding retrofit as ‘FutureFit’ to generate a more positive, forward-looking image and removing or reducing VAT on refurb projects, with developers incentivised to pursue retrofit first through a reward based planning approach, were suggestions at CAF’s Retrofit at Scale event, hosted by architect and design firm Gensler. Gensler’s Co-Managing Director...

‘CAF 2.0’ forges ahead

By Andrew Reynolds

2025 was the first year of ‘CAF 2.0’ – an evolution of the Forum responding to the new era opening up in the City of London, and to look ahead to 2026, our 35th anniversary since we were founded in 1991. So, what has changed? Our new Operations Director Jenny...

New embodied-carbon contender for Farringdon

By Lee Mallett

The City may have a contender for best-in-class when it comes to the lowest levels of embodied carbon for a new building....

One Leadenhall Street Event Review

By Xavier Aguilo

Yesterday's journey through One Leadenhall Street was nothing short of architectural poetry in motion....

City Architecture Forum: Annual Dinner 5 November 2025

By Lee Mallett

Read the report on our Annual Dinner 2025 with guest speaker Tom Sleigh, Chair of the City’s Planning and Transportation Committee, and Robin Dobson, CEO of Platform4...

Reflections on the Talk: 85 Gracechurch Street

By Matthew Thomas

Architecture is at its most compelling when it not only responds to context but actively reshapes it, carrying the past into the present while opening doors to the future. Last Tuesday’s talk on 85 Gracechurch Street delivered on this, offering an inspiring glimpse into a landmark scheme that sits at...

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There is no better place, if you want or need an introduction to the City’s built environment and to the ideas of those who shape it than the City Architecture Forum.