---
title: "D1 South Mezzanine Extension"
ocid: "ocds-h6vhtk-05ab5f"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05ab5f"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05ab5f.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05ab5f.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2025-10-09"
---

# D1 South Mezzanine Extension

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Planning  
OCID: ocds-h6vhtk-05ab5f

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05ab5f.json)

## Summary

The UK Atomic Energy Authority, a sub-central government public authority, is in the planning stage of a procurement process for a project titled "D1 South Mezzanine Extension." This construction work involves designing and installing a single-storey mezzanine for additional storage and connectivity between existing structures. The location for this procurement is the Culham Science Centre in Oxfordshire. Key milestones include a preliminary market engagement notice, with the release of the invitation to tender (ITT) scheduled for the week commencing 13 October 2025. The contract period is expected to run from 5 December 2025 to 31 March 2026, with a budget of £300,000. The relevant industry category is construction work, with CPV code 45000000.

This tender presents a valuable opportunity for businesses involved in construction and mezzanine design, offering potential for growth and establishing relationships with public sector entities. Small and medium-sized enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) are particularly encouraged to participate, given the project's suitability criteria. The project not only allows businesses to showcase their expertise but also provides the chance to contribute to an important infrastructure project at a major scientific research centre. Engaging in this tender can position businesses well for future collaboration opportunities with governmental organisations.

## Notice

A single storey mezzanine to be designed and installed to provide additional storage and to link up two existing mezzanines to create access between the two. There is currently a staircase down from one of the existing mezzanine's that we would like to remove subject to building control as this is in the space between the two. The mezzanine is to have finishes matching the current one. Loading requirements to be 750kgm2 or higher.

### Planning Information

A preliminary market engagement notice published to notify the market before the release of the ITT scheduled the w/c 13/10/2025.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/063617-2025 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Works |
| 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 | 9 Oct 2025 |
| Submission deadline | Not specified |
| Future notice date | 13 Oct 2025 |
| Award date | Not specified |
| Contract period | 5 Dec 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £300,000 |
| 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 | UK ATOMIC ENERGY AUTHORITY |
| Locality | OXFORDSHIRE |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45000000 - Construction work

## Release History

- 9 Oct 2025 at 10:22 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/063617-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/063617-2025
  9th October 2025 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/uk-atomic-energy-authority
- 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-05ab5f. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05ab5f.json.