---
title: "Barbican Renewal Conservatory Roof Steelwork Investigation Services"
ocid: "ocds-h6vhtk-05a30b"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05a30b"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a30b.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a30b.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON"
published: "2026-04-28"
---

# Barbican Renewal Conservatory Roof Steelwork Investigation Services

Buyer: THE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON  
Current stage: Award  
OCID: ocds-h6vhtk-05a30b

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05a30b.json)

## Summary

The City of London Corporation has awarded a contract for structural investigations into the steelwork structure of the Grade II listed Barbican Conservatory roof. This project aims to provide improved certainty about the existing structure, verify current assumptions, and inform the RIBA Stage 4 design. The procurement was managed under an open competition method, below the threshold for government contracts. The tender process involved parties from the United Kingdom, specifically the City of London and Glasgow, and has reached the award stage with the contract active as of 23rd February 2026, running until 31st May 2026 with the possibility of extension. The services fall under the industry categories of structural engineering consultancy and building surveying services, with a gross contract value of £121,599.24.

This tender offers substantial opportunities for businesses operating in structural engineering consultancy and building surveying fields, especially those capable of handling heritage structures like the Barbican Conservatory roof. Prospective businesses, particularly SMEs, that meet the participation conditions such as financial capacity and compliance with health and safety standards, can benefit from engaging with prestigious projects within London. Companies can grow their business by providing expertise in specialised services required for landmark structures and gain reputation in the civil and structural engineering market through successful collaboration with a reputable buyer like the City of London Corporation.

## Notice

The City of London Corporation (the City) invited Tenders for the provision of structural investigations into the steelwork structure of the Grade II listed Barbican Conservatory roof in order to provide improved certainty about the existing structure, verify current assumptions and inform RIBA Stage 4 design.

### Lot Information

Lot 1

Renewal: The duration of the contract is 2 months, subject to the right of the City (at its sole discretion) to exercise its right to extend the Contract to completion of the services.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/038273-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 28 Apr 2026 |
| Submission deadline | 24 Oct 2025 |
| Future notice date | Not specified |
| Award date | 23 Feb 2026 |
| Contract period | 23 Feb 2026 - 31 May 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £125,000 |
| Lots value | £125,000 |
| Awards value | Not specified |
| Contracts value | £101,332 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## 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 | TLI31 Camden and City of London |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | RSK ENVIRONMENT |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71312000 - Structural engineering consultancy services
- 71315300 - Building surveying services

## Release History

- 28 Apr 2026 at 07:19 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/038273-2026
- 26 Sep 2025 at 10:54 - TenderUpdate - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/060093-2025
- 26 Sep 2025 at 10:38 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/060076-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/038273-2026
  28th April 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/060093-2025
  26th September 2025 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/060076-2025
  26th September 2025 - Tender 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-05a30b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05a30b.json.