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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsUPVC Windows and Composite Doors Supply and Installation Contract
    Open tender

    UPVC Windows and Composite Doors Supply and Installation Contract

    Contract value
    £29.8m
    Published 23 Oct 2026

    Swindon Borough Council seeks an experienced contractor to supply and install compliant UPVC windows and composite doors over a 2-6 year contract worth up to £29.8 million.

    🇬🇧United Kingdom· South WestPublished 23 Oct 2026· TodayviaFind a Tender
    Contract value
    £29.8m
    Published 23 Oct 2026

    Decision brief

    4 fields
    • Contract value
      est.£29,820,000
      Pounds sterling
    • Closing date
      Rolling
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇬🇧United Kingdom
      South West

    Lifecycle

    Open

    Open tender — no closing date published. Opened today.

    23 October 2026
    Open tender · no closing date published

    Brief

    Swindon Borough Council is seeking an experienced contractor to supply and install UPVC windows and composite doors compliant with current Building Regulations for thermal efficiency, fire escape, and ventilation standards. Contract Duration: 2 years (June 1, 2027 start date) with optional extensions of 2 years plus 2 years. Estimated Value: - Initial 2-year term: £9,900,000 - £9,940,000 (excluding VAT) - Full 6-year term: £29,700,000 - £29,820,000 (excluding VAT) How to Apply: 1. Register as a Supplier on ProContract at www.supplyingthesouthwest.org.uk 2. Register your Interest to access tender documents 3. Submit clarifications in writing via ProContract messaging by November 30, 2026 at 15:00 UK time 4. Submit tender responses by December 7, 2026 at 15:00 UK time via the ProContract portal All tender documents and project details (Project ID: DN833983) are available exclusively on the Supplying the South West Portal. Submissions must be complete with all attachments and follow all instructions in the tender documents to be considered.

    Track record

    8 awards · 8 winners
    Open field

    No single supplier dominates the field.

    In construction, SWINDON BOROUGH COUNCIL has awarded 8 contracts to 8 suppliers.

    Who wins here
    1. Midlands Building & Maintenance Ltd1× · 13%
    2. GB Group (Corporate) Ltd1× · 13%
    3. Midlands Building and Maintenance Limited1× · 13%
    4. Joyner P.A. Limited1× · 13%
    5. Kabaku General Services Ltd1× · 13%
    6. JENSEN GROUP SOLUTIONS LIMITED1× · 13%

    +2 more suppliers

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP LIMITED — the field to beat, or your route in as a partner.

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    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-05e2d1

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    Your fit

    Could you win this?

    A straight answer for your business — bid, partner or pass — based on who wins SWINDON BOROUGH COUNCIL's work like this.

    8 awards · 8 firms

    Check my fit

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    SB
    Buyer
    SWINDON BOROUGH COUNCIL
    Sector
    Construction