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RIBA Stages 2 - 4 Architectural Services for Guildhall West Wing Windows & Cladding Refurbishment

The Mayor and Commonalty and Citizens of the City of London

This public procurement record has 1 release in its history.

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07 Aug 2026 at 15:10

UK7 - Contract Details Notice
Summary of the contracting process

The City of London Corporation commissioned architectural services for the Guildhall West Wing Windows and Cladding Refurbishment Project. The requirement covers RIBA Stages 2 to 4: developing the design, progressing technical design and supporting the project through the relevant pre-construction and construction stages. It is a professional services opportunity focused on architectural design for the refurbishment of windows and cladding, rather than construction works themselves. The buyer is The Mayor and Commonalty and Citizens of the City of London. Delivery is in the United Kingdom, with the procurement recorded for the City of London. The requirement was structured as a single package and relates to a specific Guildhall building refurbishment project.

The procurement is complete and has been awarded following a below-threshold limited competition. The contract was signed on 18 May 2026 and runs from 25 May 2026 to 29 March 2027. Coles Conservation Architects Limited was awarded the single contract for £96,000 excluding VAT, or £115,200 including VAT. The award is active and the contract is active. The procurement used a limited procedure rather than an open competition. The requirement was evaluated through that limited competition, with the available outcome identifying the selected supplier and the completed award. The contract covers the architectural design services associated with the Guildhall West Wing windows and cladding refurbishment, across RIBA Stages 2 to 4.

This procurement demonstrates demand from the City of London Corporation for specialist architectural input to refurbishment of a significant civic building. Firms best placed for comparable future requirements would be architectural practices able to provide a coordinated service across RIBA Stages 2 to 4, from developing the design through technical design and project delivery support. Relevant capability includes architectural design for window and cladding refurbishment and conservation-focused work. The awarded supplier is an SME specialising in conservation architecture, indicating that a smaller specialist practice can be credible for this type of requirement. Competitors should therefore be able to combine conservation architecture expertise with practical refurbishment design capability and the capacity to support a project through its full design and delivery stages.

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Notice Information

Notice Title

RIBA Stages 2 - 4 Architectural Services for Guildhall West Wing Windows & Cladding Refurbishment

Notice Description

The Provision of RIBA Stages 2 - 4 Architectural Services for the Guildhall West Wing Windows and Cladding Refurbishment Project.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06df53
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/075388-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Limited
Procurement Method Details
Below threshold - limited competition
Tender Suitability
Not specified
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71220000 - Architectural design services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
£96,000 Under £100K

Notice Dates

Publication Date
7 Aug 20262 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
18 May 20263 months ago
Contract Period
25 May 2026 - 29 Mar 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
The Mayor and Commonalty and Citizens of the City of London
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
CITY OF LONDON
Postcode
EC2P 2EJ
Postcode Area
Central London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI43 Haringey and Islington
Delivery Location
Not specified
Local Authority
Islington
Electoral Ward
Clerkenwell
Westminster Constituency
Islington South and Finsbury

Supplier Information

Number of Suppliers
1
Supplier Name

Coles Conservation Architects Limited

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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