Provision of Services for the Treatment of Green Waste

Conwy County Borough Council
Wales
Open procedure
1 July 2026 to 30 June 2029

The contract involves the processing and treatment of green waste, split across five lots. Lots 1-4 each cover 2,000 tonnes per annum, while Lot 5 covers an exclusive 8,000 tonnes per annum. All processing must adhere to BSI PAS 100:2018 standards and the Compost from waste: resource framework 2025. Contractors are required to provide monthly itemised invoices supported by weighbridge data.

Open the official notice

Awarded value: £424k; As published
Published: 31 March 2026
Awarded: 6 May 2026; Gwrtaith Gwynedd and SC Compost LTD
Contract length: 36 months; Ends 30 June 2029

What the contract covers

Service contract

Provision of commercial green waste processing and composting services to meet industry-standard quality and environmental resource management requirements.

Processing and treatment of up to 2,000 tonnes per annum of collected green waste to the standards set out in BSI PAS 100:2018 and the Compost from waste: resource framework 2025
Processing and treatment of 2,000 tonnes per annum of collected green waste to the standards set out in BSI PAS 100:2018 and the Compost from waste: resource framework 2025
Processing and treatment of 8,000 tonnes per annum of collected green waste to the standards set out in BSI PAS 100:2018 and the Compost from waste: resource framework 2025

Lot	Estimated value	SMEs
Lot 1	Not stated	Not stated
Lot 2	Not stated	Not stated
Lot 3	Not stated	Not stated
Lot 4	Not stated	Not stated
Lot 5	Not stated	Not stated

Terms and requirements

Contract type: Service contract
Procedure: Open procedure
Initial term: 37 months
Extensions: 12 months
Longest it can run: 49 months
Contract dates: 1 July 2026 to 30 June 2029
Certifications asked for: None stated
Lots: 5
Suitable for SMEs: Yes
Suitable for charities and social enterprises: Yes
Category: Services
CPV codes: 77120000

Services in this contract

Green and garden waste compostingMain service£768k typicalTreatment of collected green waste to PAS 100 standard

Lifecycle

Published
31 March 2026
Contract awardedto Gwrtaith Gwynedd and SC Compost LTD
6 May 2026
Contract starts
1 July 2026
Contract ends
30 June 2029

The buyer

Conwy County Borough Council

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
Typical contract: Locked
Green waste composting contracts, 24 months: Locked

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Contact details

Name: Locked
Email: Locked
Phone: Locked
Website: Locked
Address: Locked

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The suppliers

Gwrtaith Gwynedd

Contracts won, 24 months: Locked
Value won, 24 months: Locked

SC Compost LTD

Contracts won, 24 months: Locked
Value won, 24 months: Locked

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Cite this contract

Link: https://bidskim.com/tender/357698/provision-of-services-for-the-treatment-of-green-waste
Buyer reference: CCBC Green Waste Treatment 2026
Open contracting ID: ocds-h6vhtk-0679fd
Last checked: 5 November 2026

Conwy County Borough Council. Provision of Services for the Treatment of Green Waste. Contract award, 31 March 2026. BidSkim, https://bidskim.com/tender/357698/provision-of-services-for-the-treatment-of-green-waste (accessed 5 November 2026).