C060/2025/2026 - Caerphilly Castle South Dam Wall - Phase 2

Llywodraeth Cymru / Welsh Government
Wales
Open procedure
6 January 2026 to 6 June 2026

Removal of vegetation from the wall top and both faces of the south dam curtain wall, raking out and repointing loose mortar with approved lime mortar, and re-bedding loose stones in existing positions. The contractor provides a safe working compound and carries out works from rope access or scaffolding, in accordance with Scheduled Monument Consent and contract drawings.

Open the official notice

Awarded value: £272k; As published
Published: 5 January 2026
Awarded: 5 January 2026; Taliesin Conservation Limited
Contract length: 5 months; Ends 6 June 2026

What the contract covers

Works contract

Conservation masonry repointing, vegetation removal and stone re-bedding on a Scheduled Monument curtain wall at Caerphilly Castle.

Remove vegetation from the wall top, and both faces of the wall
Rake out loose/defective mortar and repoint (using an approved lime mortar) to the wall top and elevations of the south dam curtain wall
Re bed loose stones in existing positions

Terms and requirements

Contract type: Works contract
Procedure: Open procedure
Initial term: 5 months
Contract dates: 6 January 2026 to 6 June 2026
Certifications asked for: None stated
Suitable for SMEs: Not stated
Category: Works

Services in this contract

Stone and heritage masonry conservationMain service£140k typicalLime repointing and re-bedding of scheduled monument curtain wall

Lifecycle

Published
5 January 2026
Contract awardedto Taliesin Conservation Limited
5 January 2026
Contract starts
6 January 2026
Contract ends
6 June 2026

The buyer

Llywodraeth Cymru / Welsh Government

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
Typical contract: Locked
Heritage brickwork contracts, 24 months: Locked

Buys most

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The supplier

Taliesin Conservation Limited

Contracts won, 24 months: Locked
Value won, 24 months: Locked
Buyers, 24 months: Locked
Companies House number: Locked

Main buyers

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Cite this contract

Link: https://bidskim.com/tender/3901040/c060-2025-2026-caerphilly-castle-south-dam-wall-phase-2
Buyer reference: C060/2025/2026
Open contracting ID: ocds-kuma6s-159931
Last checked: 5 November 2026

Llywodraeth Cymru / Welsh Government. C060/2025/2026 - Caerphilly Castle South Dam Wall - Phase 2. Contract award, 5 January 2026. BidSkim, https://bidskim.com/tender/3901040/c060-2025-2026-caerphilly-castle-south-dam-wall-phase-2 (accessed 5 November 2026).