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Barbican Renewal Conservatory upgrade works

The Mayor and Commonalty and Citizens of the City of London · Local or regional public body

In brief

The Mayor and Commonalty and Citizens of the City of London has announced plans to buy construction work. This is an early notice: there is nothing to bid on yet, but it tells you a tender may follow.

The estimated value is £40,000,000 excluding VAT.

The contract runs for 27 months, up to 39 months with extensions, starting 22 January 2027.

The buyer says it is suitable for small and medium-sized businesses.

Built from the notice's own fields. Always check the official notice before you bid.

Can I win this?

Competition

Usually high: a median of 6 bids per contract for this buyer (from 48 awards in the last 12 months).

What the notice says

The Conservatory Vision is a major part of the Barbican Renewal project, focused on restoring and transforming the Barbican Conservatory into an accessible, sustainable, and vibrant public space that celebrates its original Brutalist design. Key works include the full replacement of the glazing and installation of a new louvre system for improved climate control, strengthening of structural frames, new staircases and lifts for access to upper balconies, and new waterproofing and floor build-ups. The project will also deliver a reconfigured internal layout with relocated planters, ponds, and walkways; upgraded mechanical, electrical, and horticultural systems; and refurbished event spaces, foyers, and visitor facilities. Improved lighting, accessibility features, and sustainable planting will enhance both public use and private event potential. By combining sensitive conservation with sustainable design and eco-brutalist landscaping, the revitalised Conservatory will become a welcoming green sanctuary in the heart of the City - honouring its heritage while ensuring its long-term future.

How to bid

  1. Read the full notice on Find a Tender, including any tender documents it links to.
  2. Register your organisation on the Central Digital Platform (through Find a Tender) if you have not already. Suppliers need to be registered to take part in procurements under the Procurement Act 2023.
  3. Follow the submission instructions in the notice; it does not name an e-tendering portal.

Timeline

  1. Preliminary market engagement notice · UK2, notice 072617-2025
  2. Preliminary market engagement notice · UK2, notice 074679-2025

About the buyer

The Mayor and Commonalty and Citizens of the City of LondonLast 12 months

Procurements

455

Awards

279

Suppliers it has used most for construction

All tenders and awards from The Mayor and Commonalty and Citizens of the City of London

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From notice 072617-2025 on Find a Tender, first published 11 November 2025, last updated 18 November 2025. We last checked for changes on 28 September 2026.