TENDER FOR WINDOWS DOORS AND ASSOCIATED WORKS (MANUFACTURER ONLY)
TENDER FOR WINDOWS DOORS AND ASSOCIATED WORKS (MANUFACTURER ONLY) – UNITED KINGDOM
Reference
WD3
Description
This framework is intended for organisations with their own manufacturing capability and is not open to installation contractors or distributors without manufacturing facilities.
The Windows, Doors and Associated Works (WD3) Framework covers the manufacture, supply, installation, maintenance, repair and associated works relating to a wide range of window, door and glazing systems across public sector residential, commercial, educational and mixed-use buildings. The framework is intended to support both planned and responsive projects and may include replacement, refurbishment, remediation, compliance and maintenance activities together with associated components and ancillary works. This includes, but is not limited to, entrance doors, communal doors, screens, glazing systems, curtain walling, access control integration, hardware, framing, making-good works and specialist security or fire-rated products where required. The framework may also support surveys, inspections, planned preventative maintenance, emergency repairs and investigative works associated with existing installations.
The framework is designed to support a broad range of publicly funded building types, including housing, schools, universities, healthcare facilities, municipal buildings, offices, care environments and other public sector premises across England, Wales, Scotland and Northern Ireland. All works undertaken under the framework are expected to comply with applicable building regulations, safety legislation, environmental requirements and recognised industry standards relevant to the geographical area and project type at the point of call-off. The framework also places emphasis on quality assurance, competency, sustainability, product conformity, compliance with the Building Safety Act and the delivery of safe, durable and legislatively compliant installations throughout the lifecycle of the project.
Commercial tool
Establishes a framework
Total value (estimated)
- £325,000,000 excluding VAT
- £390,000,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 1 October 2026 to 30 September 2030
- Possible extension to 1 October 2031
- 5 years, 1 day
Description of possible extension:
The Framework Agreement may be extended by up to 12 months at LHCPG’s discretion where necessary to ensure continuity of supply, maintain uninterrupted access for Contracting Authorities, support transition to any replacement arrangement, and allow ongoing projects and call-off contracts to be managed effectively in accordance with the Procurement Act 2023.
Options
The right to additional purchases while the contract is valid.
Main procurement category
Works
CPV classifications
- 45421100 – Installation of doors and windows and related components
- 45421110 – Installation of door and window frames
- 45421111 – Installation of door frames
- 45421112 – Installation of window frames
- 45421130 – Installation of doors and windows
- 45421131 – Installation of doors
- 45421132 – Installation of windows
Contract locations
- UK – United Kingdom
Lots
Lot 1. PVC-U Windows and Doors
Lot 1 covers the manufacture, supply, installation, maintenance and associated works relating to PVC-U window and door systems for use across a wide range of public sector residential, commercial, educational and mixed-use buildings.
Lot 2. Timber Windows and Doors
Lot 2 covers the manufacture, supply, installation, maintenance and associated works relating to timber window and door systems. This lot is intended to support projects where traditional aesthetics, heritage considerations, conservation requirements or specific architectural finishes are required.
Lot 3. Aluminium Windows and Doors
Lot 3 covers the manufacture, supply, installation, maintenance and associated works relating to aluminium window and door systems suitable for public sector residential and non-residential buildings.
Lot 4. Aluminium-clad Timber Windows and Doors
Lot 4 covers the manufacture, supply, installation, maintenance and associated works relating to aluminium-clad timber window and door systems. This lot is intended to combine the internal appearance and thermal characteristics of timber with the external durability and reduced maintenance benefits of aluminium cladding.
Lot 5. Steel and Stainless-Steel Windows and Doors
Lot 5 covers the manufacture, supply, installation, maintenance and associated works relating to steel and stainless-steel window and door systems. This lot is intended to support projects requiring enhanced durability, strength, security or specialist performance characteristics.
Framework
Maximum number of suppliers
Unlimited
Maximum percentage fee charged to suppliers
5%
Further information about fees
A management fee (levy) will be applied to all call-off contracts awarded under this Framework. The levy is set at 5% of the total value of each call-off contract and is payable by appointed suppliers to the contracting authority in accordance with the Framework Agreement.
Framework operation description
Contracts under this Framework Agreement will be awarded via call-off procedures in accordance with the Framework terms. Contracting Authorities may award contracts by either conducting a mini-competition among all capable appointed suppliers within the relevant Lot and region or by direct award.
Participation
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Enquiry deadline
10 July 2026, 5:00pm
Tender submission deadline
17 July 2026, 12:00pm
Submission address and any special instructions
All tender documentation and submissions must be completed and uploaded using the following portal:
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
14 September 2026
Recurring procurement
Publication date of next tender notice (estimated): 1 June 2030
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Price | Price | 30% |
| Lot Technical Questions | Quality | 20% |
| General Technical Questions | Quality | 15% |
| Regional Capability | Quality | 15% |
| Factory Assessment | Quality | 10% |
| Social Value | Quality | 10% |
Other information
Applicable trade agreements
- Government Procurement Agreement (GPA)
- Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP)
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Contracting authority
LHC Procurement Group
- Public Procurement Organisation Number: PWTR-5763-BVJQ
2 Vine Street
Uxbridge
UB8 1QE
United Kingdom
Region: UKI74 – Harrow and Hillingdon
Organisation type: Public authority – sub-central government