Planning

Barbican Windows & Roof Repairs - Design Consultant

THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON

This public procurement record has 1 release in its history.

Planning

15 Jan 2026 at 10:11

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The Mayor and Commonalty and Citizens of the City of London have initiated a public procurement process for the project titled "Barbican Windows & Roof Repairs – Design Consultant." This procurement falls under the 'Architectural design services' category, and is located in the City of London, UK. As of January 2026, the tender is at the planning stage and involves a process of preliminary market engagement to source a design consultant. The intended works involve vital repairs to the Barbican Estate, a listed building comprising significant roof and window repairs. The deadline for submitting the Preliminary Market Engagement document is set for 29 January 2026.

The procurement project offers significant opportunities for businesses specialising in architectural design, consulting services, and construction, particularly those qualified to handle listed buildings and large-scale renovation projects. Small and medium enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) are considered suitable competitors. With an estimated construction cost of £40 million, and an overall contract value set at £4.8 million, this project presents a lucrative opportunity for businesses looking to expand their portfolio and engage in long-term contracts extending until December 2033. The procurement process is set to formally begin in March 2026, with the work expected to commence in August 2026.

How relevant is this notice?

Notice Information

Notice Title

Barbican Windows & Roof Repairs - Design Consultant

Notice Description

The Barbican Estate was designed by architects Chamberlin, Powell and Bon and was constructed between 1965 and 1976 and consists of over 2000 flats in 21 Blocks. The predominant typologies of the Estate are Tower blocks, terraced blocks and Crescent. The construction of the blocks is predominantly concrete with hardwood windows. The estate was listed in 2001. All repairs must comply with the Barbican Listed Building Management Guidelines. It is intended that the commission for a design consultant which will be split into two projects with the overall goal of ensuring that the properties are waterproof for twenty years following completion of the works. One project will be for window repairs across all top floor properties on the Estate undertaken in one phase, and the other will be roof renewals, drainage repairs / renewals / redesign and balcony waterproofing renewal works undertaken over 4 phases, anticipated to last 6 years. All roof coverings are at or close to the end of serviceable life. The current estimated construction cost of the works is PS40m. It is anticipated the consultant role will include but not be limited to: * Carry out site surveys of all roofs, balconies, rainwater drainage and top floor windows. * Produce material for any consultations with leaseholders about the projects. Attend consultations as necessary. * Produce technical specification for works. * Apply for all necessary statutory consents including Building Safety Regulator Approvals. * Prepare contractual documentation for tender purposes. * Act as Contract Administrator, Principal Designer and Building Regulations Principal Designer. * Prepare pre-construction information pack for issue with tender documents. * Review tender pack with ourselves and make any amendments as necessary. * Answer any technical queries from contractors during tender process. * Undertake tender analysis including price, technical, contractual assessments. * Attend post tender meetings with contractors. * Provide technical input in finalising of contract with chosen contractor. * Attend all necessary meetings including pre-start and progress meetings. * Review and comment on contractor drawings. * Overview project through to completion and handover, allowing for sufficient attendance to accurately record any variations from the specification which will be necessary during the window repairs project. * Witness testing on completion. * Review and sign off O&Ms. The PME questionnaire can be found on our Jaggaer portal via the https://cityoflondon.ukp.app.jaggaer.com/ pqq_38 Please complete the PMEQ and submit via the portal (pqq_38) by the deadline of 29/01/26 14:00.

Planning Information

The PME is being conducted via the electronic tendering system ‘City of London Corporation Sourcing & Contracts Portal’ (url:www.cityoflondon.ukp.app.jaggaer.com). To access the PME documentation, please register on the system for free and search ‘Barbican Windows & Roof Repairs – Design Consultant'. The PME documents can be accessed Prj_868 / pqq_38. Organisations should submit their completed PME document via the system by the return deadline of TIME on DATE to participate. PME document submissions cannot be uploaded after the return deadline.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-060657
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/003359-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71220000 - Architectural design services

Notice Value(s)

Tender Value
£4,000,000 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
15 Jan 20264 days ago
Submission Deadline
Not specified
Future Notice Date
23 Mar 20263 months to go
Award Date
Not specified
Contract Period
2 Aug 2026 - 31 Dec 2033 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON
Contact Name
Not specified
Contact Email
hirdial.rai@cityoflondon.gov.uk
Contact Phone
020 7606 3030

Buyer Location

Locality
CITY OF LONDON
Postcode
EC2P 2EJ
Post Town
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
TLI London
Local Authority
Islington
Electoral Ward
Clerkenwell
Westminster Constituency
Islington South and Finsbury

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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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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