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Contract Award Notice

C453/2025/2026 - The Grove Refurbishment Works @ Caerphilly Castle

  • First published: 28 August 2026
  • Last modified: 28 August 2026
  • Version: N/A
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  • This file may not be fully accessible.

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The buyer is not using this website to administer the notice.

To record your interest or obtain additional information or documents please find instructions within the Full Notice Text. (NOTE: Contract Award Notices and Prior Information Notices do not normally require a response)

Contents

Summary

OCID:
ocds-kuma6s-169765
Published by:
Llywodraeth Cymru / Welsh Government
Authority ID:
AA0007
Publication date:
28 August 2026
Deadline date:
-
Notice type:
Contract Award Notice
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
No

Abstract

Mini Competition for contractors who expressed and interest in participating from Cadw Conservation Contractor Services Framework – C049/2020/2021. Cadw is seeking a fixed fee proposal, via Cadw’s Conservation Contractor Framework, to act as Principal Contractor, under CDM 2025 Regulations to take this project from RIBA Plan of Work stage 05 to 06 and will be expected to instruct and manage any Sub-Contractors. The Principal Contractor will need to set out within the Construction Phase Plan how they will maintain a safe and secure site and manage Sub-Contractors. The Principal Contractor is to make arrangements for Welfare and Storage to ensure safety and Compliance with CDM Regulations 2015. Where specialist services are not available in-house, the Principal Contractor is to allow for appointing suitably qualified and experienced sub-contractors. Our expectation is that the Principal Contactor will become part of the Cadw project team and work in a collaborative way with us. The Principal Contractor should allow sufficient time in their fee proposal for meetings with Cadw, the Lead Design Consultant and other Consultants and members of the design team and Contractors.

Full notice text

CONTRACT AWARD NOTICE – NATIONAL

WORKS

1 Authority Details

1.1

Authority Name and Address


Llywodraeth Cymru / Welsh Government

Gwasanaethau Caffael Corfforaethol / Corporate Procurement Services, Parc Cathays / Cathays Park,

Caerdydd / Cardiff

CF10 3NQ

UK

Commercial Procurement Delivery

+44 3000257095


http://gov.wales

2 Contract Details

2.1

Title

C453/2025/2026 - The Grove Refurbishment Works @ Caerphilly Castle

2.2

Description of the contract

Mini Competition for contractors who expressed and interest in participating from Cadw Conservation Contractor Services Framework – C049/2020/2021.

Cadw is seeking a fixed fee proposal, via Cadw’s Conservation Contractor Framework, to act as Principal Contractor, under CDM 2025 Regulations to take this project from RIBA Plan of Work stage 05 to 06 and will be expected to instruct and manage any Sub-Contractors.

The Principal Contractor will need to set out within the Construction Phase Plan how they will maintain a safe and secure site and manage Sub-Contractors.

The Principal Contractor is to make arrangements for Welfare and Storage to ensure safety and Compliance with CDM Regulations 2015.

Where specialist services are not available in-house, the Principal Contractor is to allow for appointing suitably qualified and experienced sub-contractors.

Our expectation is that the Principal Contactor will become part of the Cadw project team and work in a collaborative way with us. The Principal Contractor should allow sufficient time in their fee proposal for meetings with Cadw, the Lead Design Consultant and other Consultants and members of the design team and Contractors.

2.3

Notice Coding and Classification

45262690 Refurbishment of run-down buildings
1016 Gwent Valleys (Torfaen, Blaenau Gwent, Caerphilly)

2.4

Estimated Total Value

3 Procedure

3.1

Type of Procedure

Single stage

4 Award of Contract

4.1

Successful Bidders

4.1.1

Name and Address of successful supplier, contractor or service provider


C453/2025/2026




Grosvenor Construction Limited

Grosvenor Construction Limited Tir Llwyd Industrial Estate, Kinmel Bay,

Rhyl

LL185JA

UK




https://www.grosvenorconstruction.co.uk

5 Other Information

5.1

Reference number attributed to the notice by the contracting authority

C453/2025/2026

5.2

Date of Contract Award

 27-08-2026

5.3

Number of tenders received

3

5.4

Other Information

(WA Ref:169765)

5.5

Additional Documentation

N/a

5.6

Publication date of this notice:

 28-08-2026

Coding

Commodity categories

ID Title Parent category
45262690 Refurbishment of run-down buildings Special trade construction works other than roof works

Delivery locations

ID Description
1016 Gwent Valleys (Torfaen, Blaenau Gwent, Caerphilly)

Alert region restrictions

The buyer has restricted the alert for this notice to suppliers based in the following regions.

ID Description
There are no alert restrictions for this notice.

About the buyer

Main contact:
N/a
Admin contact:
N/a
Technical contact:
N/a
Other contact:
N/a

Further information

Date Details
No further information has been uploaded.

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