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Subcontractors and Specialist Contractors for Building Services - UPVC Windows and Doors

West Dunbartonshire Council

This public procurement record has 1 release in its history.

Tender

27 Oct 2026 at 14:31

Tender Notice
Summary of the contracting process

West Dunbartonshire Council is seeking specialist subcontractors for the supply and installation of UPVC windows and doors in council-owned and operated buildings across West Dunbartonshire. The work covers residential properties, public facilities and operational sites. It includes new and replacement window and door units, with appropriate glazing, seals, locking systems and ventilation features, plus associated work. This is a re-tender of the windows-and-doors lot within the council’s wider building-services framework for subcontractors and specialist contractors. The wider framework provides a route to deliver building maintenance, servicing and emergency repairs, including work to void properties; this opportunity is specifically for UPVC windows and doors.

The buyer invited offers through an open procedure for a place on a ranked framework. Bids were to be submitted electronically, with the deadline set for 1 December 2026 at 12 noon. The contract period is 720 days, with two possible 12-month extensions at the council’s discretion. Evaluation gives 60% weighting to price and 40% to quality. Qualification requires evidence of the legal accreditations and qualifications needed for the work. Financial checks include turnover of £2 million in each of the previous two financial years, specified insurance cover, and passing at least two of three financial ratio tests. A parent-company guarantee may support a bidder that does not meet the financial criteria itself.

This opportunity suits window and door specialists able to supply and install UPVC units and undertake associated works across varied council buildings. Suppliers must show that their staff have the skills, qualifications and competence to meet the specification, and provide evidence of relevant legal accreditations and qualifications. They also need a waste-management plan and the required insurance cover. The framework is ranked: if the highest-ranked contractor cannot take a call-off because of capacity or capability, the work moves to the next-ranked provider. Successful contractors must therefore be able to respond to work offered at short notice when required, work as part of a team, adapt to instructions and complete work orders efficiently with minimal supervision. Community benefit outcomes are also required.

How relevant is this notice?

Notice Information

Notice Title

Subcontractors and Specialist Contractors for Building Services - UPVC Windows and Doors

Notice Description

The provision is to give West Dunbartonshire Council a route to identify qualified multi-trade contractors and trade groups to deliver maintenance, routine servicing and emergency repairs to West Dunbartonshire Council buildings, including works to void properties in a multi-trade environment and a 24 hour 356 days emergency response service to be carried out in compliance with the contract conditions. Contractors will be required to provide details on how their organisation in terms of skill, qualifications and competence that fit and meet with the specification the skills. They will need to demonstrate they have a Waste Management plan, Contractors will also be required to provide evidence of insurance policies, where required to provide evidence of security Industry Authority Approved Contractor's Scheme (SIA). The framework will operate on a ranked basis. If the top-ranked Measured Term Contractor is unable to undertake a call-off due to capacity or capability, the opportunity will be offered to the next-ranked provider. This process will continue down the list until a contractor can provide the service. The successful contractors shall be expected to form part of a team, be adaptable, conscientious and be able to carry out instruction with the minimum supervision to allow efficient completion of the work order. Please note that this is a re-tender of Lot 8 - UPVC Windows and Doors only for Subcontractors and Specialist Contracts for Building Services Framework Agreement

Lot Information

Lot 1

The scope of works and services will include but not limited to, the contractor shall provide the supply, installation of new UPVC units with appropriate glazing, seals, locking systems, and ventilation features, replacement units, and associated works for UPVC windows and doors across council owned and operated buildings, including residential properties, public facilities, and operational sites. Contractors must provide evidence in Section 4C of the SPD of any legal accreditations and qualifications required to carry out the scopes of work and services in order to pass qualification criteria. Failure to do so will result in exclusion from the tender Please note that this is a re-tender of Lot 8 - UPVC Windows and Doors only for Subcontractors and Specialist Contracts for Building Services Framework Agreement

Renewal: The contract will be open to 2 x 12 month extensions at the councils discretion

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-07915f
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/101613-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)

45 - Construction work

50 - Repair and maintenance services

CPV Codes

44221000 - Windows, doors and related items

45421100 - Installation of doors and windows and related components

45421110 - Installation of door and window frames

50000000 - Repair and maintenance services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
27 Oct 20266 days ago
Submission Deadline
1 Dec 20264 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
West Dunbartonshire Council
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
DUMBARTON
Postcode
G82 1QL
Postcode Area
Glasgow
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM3 West Central Scotland
Small Region (ITL 3)
TLM31 East Dunbartonshire and West Dunbartonshire
Delivery Location
TLM81 East Dunbartonshire, West Dunbartonshire, and Helensburgh and Lomond
Local Authority
West Dunbartonshire
Electoral Ward
Dumbarton
Westminster Constituency
West Dunbartonshire

Further Information

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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