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PROCUREMENT OPPORTUNITY

Barbican Windows & Roof Repairs – Design Consultant

The Mayor and Commonalty and Citizens of the City of London · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 5 Oct 2026, 06:21.

Opportunity overview

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 £40m. 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.

Classification

  • CPV71220000 — Architectural design services

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
Prj_868 / pqq_38
Main Procurement Category
services
Above Threshold
Yes
Status
planning

Legal basis

Id
2023/54
Scheme
UKPGA

Communication

Future Notice Date
23 Mar 2026, 23:59

Lots and requirements

Entry 1
Id
1
Has Renewal
Yes
Status
planning

Suitability

Sme
Yes
Vcse
Yes

Contract period

Starts
3 Aug 2026, 00:00
Ends
31 Dec 2033, 23:59
Max Extent Date
31 Jan 2034, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
71220000
Description
Architectural design services

Delivery locations

Entry 1
Region
UKI
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
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.
Due
29 Jan 2026, 23:59
Status
scheduled

Documents

Entry 1
Id
003359-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
15 Jan 2026, 10:11
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
The Mayor and Commonalty and Citizens of the City of London
Id
GB-PPON-PYQD-1693-MYXR

Identifier

Scheme
GB-PPON
Id
PYQD-1693-MYXR

Address

Street Address
PO Box 270
Locality
City of London
Postal Code
EC2P 2EJ
Country
GB
Country Name
United Kingdom
Region
UKI43

Contact

Telephone
020 7606 3030

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicAuthoritySubCentralGovernment
Description
Public authority - sub-central government

Recorded locations

  • Buyer location · City of London · UKI43 · EC2P 2EJ · United Kingdom
  • Delivery location · UKI · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 003359-2026Preliminary market engagement notice on Find a Tender ·