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UK4

Provision of Services for the Treatment of Green Waste

  • First published: 31 March 2026
  • Last modified: 31 March 2026
  • Version: 1
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Contents

Summary

OCID:
ocds-h6vhtk-0679fd
Published by:
Conwy County Borough Council
Authority ID:
AA0389
Publication date:
31 March 2026
Deadline date:
30 April 2026
Notice type:
UK4
Has documents:
Yes
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

Conwy County Borough Council (the Council) intends to procure contractual arrangements for the treatment of collected green waste to the standards set out in BSI PAS 100:2018 and the Compost from waste: resource framework 2025.

Full notice text

Scope

Procurement reference

CCBC Green Waste Treatment 2026

Procurement description

Conwy County Borough Council (the Council) intends to procure contractual arrangements for the treatment of collected green waste to the standards set out in BSI PAS 100:2018 and the Compost from waste: resource framework 2025.

Main category

Services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Total value (estimated, excluding VAT)

1376000.00 GBP to 1376000.00GBP

Contract dates (estimated)

01 June 2026, 00:00AM to 30 June 2029, 23:59PM

Extension end date (if all the extensions are used): 30 June 2030

Contracting authority

Conwy County Borough Council

Identification register:

  • GB-PPON

Address 1: Coed Pella

Town/City: Colwyn Bay

Postcode: LL29 0GG

Country: United Kingdom

Website: http://www.conwy.gov.uk

Public Procurement Organisation Number: PQJH-8668-YMDV

Contact name: Danielle Richards

Email: procurement@conwy.gov.uk

Telephone: 01492 574000

Organisation type: Public authority - central government

Devolved regulations that apply: Wales

Procedure

Procedure type

Open procedure

Is the total value above threshold?

Above threshold

Trade agreements

Government Procurement Agreement (GPA)

Lots

Divided into 5 lots

Lot 1 - Tonnage band per annum

Lot number: 1

Description

Lot1-Processing and treatment of Up to 2000t of green waste

CPV classifications

  • 77120000 - Composting services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Lot value (estimated)

343999.00 GBP Excluding VAT

412798.80 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

30 June 2029, 23:59PM

Extension end date (estimated)

30 June 2030, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option up to 1 year

Description of how multiple lots may be awarded

Payment will be based on a gate fee (£/tonne), which must cover all costs associated with the receipt, handling, treatment, and processing of green waste.

Contractors must submit a price for each Lot they wish to be considered for, as per table 1 in the Services Specification.

Each Lot will be evaluated independently, and a Contractor may be awarded one or more Lots.

Contractors may also provide a price per tonne (£/t) for exclusive tonnage (Lot 5).

Each Lot will be evaluated separately with each Lot scoring up to 90% each.

Award criteria

Type: quality

Name

Quality

Description

Quality

Weighting: 10.00

Weighting type: percentageExact

Type: price

Name

Price

Description

Price

Weighting: 90.00

Weighting type: percentageExact

Lot 2 - Tonnage band per annum

Lot number: 2

Description

Lot 2-Processing and treatment of 2000t of green waste

CPV classifications

  • 77120000 - Composting services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Lot value (estimated)

344000.00 GBP Excluding VAT

412800.00 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

30 June 2029, 23:59PM

Extension end date (estimated)

30 June 2030, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option up to 1 year

Description of how multiple lots may be awarded

Payment will be based on a gate fee (£/tonne), which must cover all costs associated with the receipt, handling, treatment, and processing of green waste.

Contractors must submit a price for each Lot they wish to be considered for, as per table 1 in the Services Specification.

Each Lot will be evaluated independently, and a Contractor may be awarded one or more Lots.

Contractors may also provide a price per tonne (£/t) for exclusive tonnage (Lot 5).

Each Lot will be evaluated separately with each Lot scoring up to 90% each.

Award criteria

Type: quality

Name

Quality

Description

Quality

Weighting: 10.00

Weighting type: percentageExact

Type: price

Name

Price

Description

Price

Weighting: 90.00

Weighting type: percentageExact

Lot 3: Tonnage band per annum

Lot number: 3

Description

Lot3 Processing and treatment of 2000t of green waste

CPV classifications

  • 77120000 - Composting services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Lot value (estimated)

344000.00 GBP Excluding VAT

412800.00 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

30 June 2029, 23:59PM

Extension end date (estimated)

30 June 2030, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option 1 year

Description of how multiple lots may be awarded

Payment will be based on a gate fee (£/tonne), which must cover all costs associated with the receipt, handling, treatment, and processing of green waste.

Contractors must submit a price for each Lot they wish to be considered for, as per table 1 in the Services Specification.

Each Lot will be evaluated independently, and a Contractor may be awarded one or more Lots.

Contractors may also provide a price per tonne (£/t) for exclusive tonnage (Lot 5).

Each Lot will be evaluated separately with each Lot scoring up to 90% each.

Award criteria

Type: quality

Name

Quality

Description

Quality

Weighting: 10.00

Weighting type: percentageExact

Type: price

Name

Price

Description

Price

Weighting: 90.00

Weighting type: percentageExact

Lot 4 - Tonnage band per annum

Lot number: 4

Description

Lot4 Processing and treatment of 2000t of green waste

CPV classifications

  • 77120000 - Composting services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Lot value (estimated)

344000.00 GBP Excluding VAT

412800.00 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

30 June 2029, 23:59PM

Extension end date (estimated)

30 June 2030, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option for 1 year

Description of how multiple lots may be awarded

Payment will be based on a gate fee (£/tonne), which must cover all costs associated with the receipt, handling, treatment, and processing of green waste.

Contractors must submit a price for each Lot they wish to be considered for, as per table 1 in the Services Specification.

Each Lot will be evaluated independently, and a Contractor may be awarded one or more Lots.

Contractors may also provide a price per tonne (£/t) for exclusive tonnage (Lot 5).

Each Lot will be evaluated separately with each Lot scoring up to 90% each.

Award criteria

Type: quality

Name

Quality

Description

Quality

Weighting: 10.00

Weighting type: percentageExact

Type: price

Name

Price

Description

Price

Weighting: 90.00

Weighting type: percentageExact

Lot 5 - Exclusive Tonnage

Lot number: 5

Description

Exclusive tonnage - Processing and treatment of 8000t of green waste

CPV classifications

  • 77120000 - Composting services

Delivery regions

  • UKL13 - Conwy and Denbighshire

Lot value (estimated)

1.00 USD Excluding VAT

1.20 USD Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

01 June 2026, 00:00AM

Contract end date (estimated)

30 June 2029, 23:59PM

Extension end date (estimated)

30 June 2030, 23:59PM

Can the contract be extended?

Yes

Description of extensions

Option 1 year

Description of how multiple lots may be awarded

Payment will be based on a gate fee (£/tonne), which must cover all costs associated with the receipt, handling, treatment, and processing of green waste.

Contractors must submit a price for each Lot they wish to be considered for, as per table 1 in the Services Specification.

Each Lot will be evaluated independently, and a Contractor may be awarded one or more Lots.

Contractors may also provide a price per tonne (£/t) for exclusive tonnage (Lot 5).

Each Lot will be evaluated separately with each Lot scoring up to 90% each.

Award criteria

Type: quality

Name

Quality

Description

Quality

Weighting: 10.00

Weighting type: percentageExact

Type: price

Name

Price

Description

Price

Weighting: 90.00

Weighting type: percentageExact

Contract terms and risks

Payment terms

Invoicing and Payment

-The successful Contractor shall submit monthly itemised invoices, supported by weighbridge data.

-Payment will normally be made within 30 days of receipt of a valid invoice.

Description of risks to contract performance

The Council estimates an annual composting requirement of approximately 8,000 tonnes of green waste. Actual arisings will vary seasonally and may fall below or exceed this figure in any given year, which presents a potential risk to contract performance. The Contractor must ensure sufficient processing capacity is available throughout the year, with particular focus on meeting increased demand during peak summer months.

Payment terms

Invoicing and Payment

-The successful Contractor shall submit monthly itemised invoices, supported by weighbridge data.

-Payment will normally be made within 30 days of receipt of a valid invoice.

Description of risks to contract performance

The Council estimates an annual composting requirement of approximately 8,000 tonnes of green waste. Actual arisings will vary seasonally and may fall below or exceed this figure in any given year, which presents a potential risk to contract performance. The Contractor must ensure sufficient processing capacity is available throughout the year, with particular focus on meeting increased demand during peak summer months.

Tender submission deadline

30 April 2026, 12:00PM

Enquiry deadline

16 April 2026, 13:00PM

Date of award of contract

20 May 2026, 23:59PM

Submission address and any special instructions

https://www.sell2wales.gov.wales

May tenders be submitted electronically?

Yes

Languages that may be used for submission

  • English
  • Welsh

Documents

ID

L-1

Document type

Bidding documents

Description

Bilingual Advert

ID

L-2

Document type

Bidding documents

Description

Green Waste Tender Pack

ID

conflictOfInterest

Document type

Conflict of interest

Description

Not published

Coding

Commodity categories

ID Title Parent category
There are no commodity categories for this notice.

Delivery locations

ID Description
1013 Conwy and Denbighshire

About the buyer

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

Further information

Date Details

Postbox

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Submit your tender response electronically in a secure environment.

To create an electronic response please click the "Add to my interest list" button at the top of the page.

For more information on the Postbox Facility please refer to the user guide:

Q&A

Ask the buyer any questions you may have relating to this notice. To ask the buyer a question or questions please click the "View Questions and Answers" button.

Additional documents

The following additional documents have been attached to this notice. To obtain these documents please select the individual file names below.

Current documents

Documents are restricted until you note interest in this notice. The documents will become publicly available after the response deadline has passed.
pdf
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zip
zip1.91 MB
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Replaced documents

There are no previous versions of these documents.


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