--- title: "Barbican Windows & Roof Repairs - Design Consultant" ocid: "ocds-h6vhtk-060657" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060657" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-060657.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-060657.json" source: "Find A Tender Service" current_stage: "Planning" buyer: "THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON" published: "2026-01-15" --- # Barbican Windows & Roof Repairs - Design Consultant Buyer: THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON Current stage: Planning OCID: ocds-h6vhtk-060657 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060657) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-060657.json) ## Summary 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. ## Notice 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. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/003359-2026 | | 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 | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 15 Jan 2026 | | Submission deadline | Not specified | | Future notice date | 23 Mar 2026 | | Award date | Not specified | | Contract period | 2 Aug 2026 - 31 Dec 2033 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £4,000,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planning | | Lots status | Planning | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON | | Locality | CITY OF LONDON | | Post town | Central London | | Postcode | EC2P 2EJ | | Country | England | | ITL 1 | TLI London | | ITL 2 | TLI4 Inner London - East | | ITL 3 | TLI43 Haringey and Islington | | Local authority | Islington | | Electoral ward | Clerkenwell | | Westminster constituency | Islington South and Finsbury | | Delivery location | TLI London | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services ### Codes - 71220000 - Architectural design services ## Release History - 15 Jan 2026 at 10:11 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/003359-2026 ## Documents - https://www.find-tender.service.gov.uk/Notice/003359-2026 15th January 2026 - Preliminary market engagement notice on Find a Tender ## Notice URLs - https://cityoflondon.ukp.app.jaggaer.com/ - https://www.cityoflondon.gov.uk - https://www.legislation.gov.uk/ukpga/2023/54/contents ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060657. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-060657.json.