Waste Treatment Contracts Procurement

Westminster City Council
London
Open procedure
1 April 2027 to 31 March 2030

Treatment of up to 55,000 tonnes per annum of dry recycling and 15,000 tonnes per annum of organic waste, delivered as separate lots. Tonnages are maximum estimates rather than guaranteed volumes, and estimated spend is likewise not guaranteed.

Open the official notice

Closed· 1 October 2026

Estimated value: £34.5m; Buyer estimate
Published: 22 May 2026
Deadline: 1 October 2026; Closed
Contract length: 36 months; Ends 31 March 2030

What the contract covers

Planned open-procedure service contract

Waste treatment services for dry recyclable and organic municipal waste, including processing capacity for substantial annual tonnages.

Treatment of dry recycling
Treatment of organic waste

Lot	Estimated value	SMEs
Treatment of Dry Recycling	£32m	Suitable
Treatment of Organic Waste	£2.5m	Suitable

Terms and requirements

Contract type: Planned open-procedure service contract
Procedure: Open procedure
Initial term: 36 months
Extensions: 24 months
Longest it can run: 60 months
Contract dates: 1 April 2027 to 31 March 2030
Certifications asked for: None stated
Lots: 2
Suitable for SMEs: Yes
Category: Services
CPV codes: 90500000

Services in this tender

Dry recyclables sorting, reprocessing and offtakeMain service£900k typicalLot 1 treatment of dry recycling, up to 55kt a year
Food waste treatment and anaerobic digestion£500k typicalLot 2 treatment of organic waste, up to 15kt a year

Lifecycle

Published
22 May 2026
Deadline for bidsClosed
1 October 2026
Contract awardedUsually published within a few months
Contract starts
1 April 2027

The buyer

Westminster City Council

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
Typical contract: Locked

Buys most

Contact details

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

See everything Westminster City Council buys

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Cite this tender

Link: https://bidskim.com/tender/3620789/waste-treatment-contracts-procurement
Buyer reference: P762 / PRJ_30941
Open contracting ID: ocds-h6vhtk-06a06a
Last checked: 5 November 2026

Westminster City Council. Waste Treatment Contracts Procurement. Tender, 22 May 2026. BidSkim, https://bidskim.com/tender/3620789/waste-treatment-contracts-procurement (accessed 5 November 2026).