OpenInstallation of doors and windowsInstallation of doors and windows and related components+6 more

The supply and installation of UPVC Windows and Composite Doors.[E23]

United KingdomSwindonSwindon Borough Council[E1]

Requests to participate by[E12]: Buyer's deadline: 7 Dec 2026, 15:00 UTC. UTC: 7 Dec 2026, 15:00 UTC.
Value[E24]: GBP 29,820,000
Procedure[E19]: Open procedureTwo stages: a shortlist first, bids later
Bid language: Your language
Your fit: Sign in to see your fit

In plain English

What they want: The supply and installation of UPVC Windows and Composite Doors. Swindon Borough Council are looking to engage with an experienced contractor for the supply and installation of UPVC windows and composite doors that will adhere to new Building Regulation requirements for thermal efficiency / fire escape and ventilation The contract will be for a period of 2 Years with optional 2 year + 2 year extension periods and is…
Who can bid: The legal basis is UKPGA 2023/54 (Procurement Act 2023).
The procurement is covered by the WTO Government Procurement Agreement.

This is a two-stage procedure. First you send a request to take part. The buyer shortlists suppliers on the eligibility and selection criteria, then invites them to bid. The bid stage comes later.

Risks and unknowns

UnknownWe read the published notice, not the full tender documents.

Published[E20]: 23 Oct 2026
Source: UK Find a Tender (OCDS) (opens in a new tab)
Last checked: 3 days ago

About the requirement · From the notice

The supply and installation of UPVC Windows and Composite Doors. Swindon Borough Council are looking to engage with an experienced contractor for the supply and installation of UPVC windows and composite doors that will adhere to new Building Regulation requirements for thermal efficiency / fire escape and ventilation The contract will be for a period of 2 Years with optional 2 year + 2 year extension periods and is estimated to commence 1st June 2027. Estimated contract spend is between £9,900,000.00 - £9,940,000.00 ex vat across the initial 2 year term and £29,700,000.00 - £29,820,000.00 ex vat across the full 6 year term. Full details relating to the services are provided in the tender documents. To participate, Suppliers will need to Register as a Supplier with ProContract, www.supplyingthesouthwest.org.uk, then Register an Interest before obtaining access to the tender documents. In the event of difficulties registering as a supplier, please refer to the System Administrator Proactis support team ProContractSuppliers@proactis.com Tender clarifications to be submitted in writing via Messaging in ProContract tender portal by 30th November 2026 15:00 hrs UK Local time. The Council’s responses to these clarification questions will be issued periodically on the ProContract tender portal. Tender Responses are required to be submitted no later than 7th December 2026, 15:00 hrs UK Local time via ProContract tender portal - https://www.supplyingthesouthwest.org.uk/ Supplying the South West Portal, https://www.supplyingthesouthwest.org.uk/ is the only portal that includes all th…[E13]

Preliminary, from the notice only

What the published notice says. This is not a recommendation. The tender documents can add or change requirements.

Delivery location: UKK14, United Kingdom.[E14]
The legal basis is UKPGA 2023/54 (Procurement Act 2023).[E15]

3 more requirements, possible blockers and open questions are in your free profile.

Create a free profile

Eligibility and requirements

ConditionThe legal basis is UKPGA 2023/54 (Procurement Act 2023).[E15]
ConditionThe procurement is covered by the WTO Government Procurement Agreement.[E16]
DetailDelivery location: UKK14, United Kingdom.[E14]
DetailLot 1 runs from 1 Jun 2027 to 31 May 2029, extendable to 31 May 2033.[E10]
DetailClarification questions close at 30 Nov 2026, 15:00 UTC.[E17]
DetailThe notice explains how to submit a tender.[E22]

Tender documents

The tender documents are on the buyer's own portal, usually behind a free supplier registration. We never sign in for you. Download them there and add them below, or paste their public address.

What the stage 1 check needs

Instructions to bidders: still needed
Selection questionnaire: still needed

Still needed: instructions to bidders, selection questionnaire. Add only these.

Add the documents yourself

Add only the missing parts from the buyer's portal: instructions to bidders, selection questionnaire. We read every page and check it against your company.

Or forward them by email

Private to your organisationOnly people in your organisation can see the files.
Deleted after 90 daysOr straight away when you delete them.
Never used to train AIFiles are read for your check only.

Already written your answers?

Check your draft against this tender's questions, limits and your evidence before you submit.

Review my draft · £199 See a sample review

Buyer

What else this buyer buys

Swindon Borough Council

Website: swindon.gov.uk
Tender documents: find-tender.service.gov.uk/…
Address: Swindon Borough Council, Civic Offices, Euclid Street, SN1 2JH, Swindon

How to ask a question

Ask clarification questions through the buyer's own process, usually its procurement portal, before the clarification deadline. Answers are normally shared with every bidder. Open the buyer's route

We show only the organisation's own contact route as published: its website, portal, shared mailboxes and main lines. Never a named person.

Evidence24 facts from the notice · Show

Every fact on this page comes from the published notice. Each entry shows the document and the field it was read from.

E1
The buyer is Swindon Borough Council.
Document 100606-2026, field /buyer/name, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E2–E9
Classified under CPV: Installation of doors and windows (45421130); Installation of doors and windows and related components (45421100); Installation of windows (45421132); Installation of doors (45421131); Windows, doors and related items (44221000); Windows (44221100); Doors (44221200); Installation of door and window frames (45421110).
read 28 Oct 2026, 09:19 UTC
E10
Lot 1 runs from 1 Jun 2027 to 31 May 2029, extendable to 31 May 2033.
“2027-06-01T00:00:00+01:00 to 2029-05-31T23:59:59+01:00”
Document 100606-2026, field /tender/lots/0/contractPeriod, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E11
The buyer's address is in United Kingdom.
Document 100606-2026, field /parties/0/address/country, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E12
Requests to participate must be submitted by 7 Dec 2026, 15:00 UTC. Invited suppliers bid later.
“2026-12-07T15:00:00Z”
Document 100606-2026, field /tender/expressionOfInterestDeadline, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E13
The buyer describes the requirement in the notice.
“The supply and installation of UPVC Windows and Composite Doors. Swindon Borough Council are looking to engage with an experienced contractor for the supply and installation of UPVC windows and composite doors that will adhere to new Building Regulation requirements for thermal…”
Document 100606-2026, field /tender/description, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E14
Delivery location: UKK14, United Kingdom.
Document 100606-2026, field /tender/items/0/deliveryAddresses/0, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E15
The legal basis is UKPGA 2023/54 (Procurement Act 2023).
Document 100606-2026, field /tender/legalBasis/id, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E16
The procurement is covered by the WTO Government Procurement Agreement.
“GPA”
Document 100606-2026, field /tender/coveredBy, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E17
Clarification questions close at 30 Nov 2026, 15:00 UTC.
“2026-11-30T15:00:00Z”
Document 100606-2026, field /tender/enquiryPeriod/endDate, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E18
This is a call for competition. Suppliers can respond.
“tender”
Document 100606-2026, field /tag, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E19
The procedure is: Open procedure.
Document 100606-2026, field /tender/procurementMethodDetails, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E20
The notice was published on 23 Oct 2026.
“2026-10-23T14:55:41+01:00”
Document 100606-2026, field /tender/documents/1/datePublished, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E21
Find a Tender gives the tender status as active.
Document 100606-2026, field /tender/status, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E22
The notice explains how to submit a tender.
“In order to provide unrestricted, full, direct and free of charge access to the Tender documents the Authority is providing the documents in the attachment area of the ProContract e-tender portal at www.supplyingthesouthwest.org.uk In order to access amendable versions of the do…”
Document 100606-2026, field /tender/submissionMethodDetails, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E23
The notice is titled "The supply and installation of UPVC Windows and Composite Doors.".
Document 100606-2026, field /tender/title, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)
E24
The stated value is GBP 29,820,000 excluding VAT.
“29820000 GBP”
Document 100606-2026, field /tender/value/amount, read 28 Oct 2026, 09:19 UTC · source (opens in a new tab)

Contains public sector information from Find a Tender, licensed under the Open Government Licence v3.0. Data licence: Open Government Licence v3.0 (opens in a new tab). Personal contact details in notices are not stored or shown.

Updates

First seen · 28 Oct 2026, 09:19 UTC
The source published a call for competition with a future deadline.
Source document 100606-2026

Track this tender for free

Create a free account to save it, get alerts for tenders like it and see how well it fits your company.

Create a free account

No card needed. Already have one? Sign in

The full check · £79

The notice is free. The assessment reads the tender documents against your company: pass/fail requirements you meet and miss, documents to prepare, how bids are scored, contract risks and a bid or no-bid recommendation. Every point quotes its page.For this two-stage procedure the assessment checks the stage 1 eligibility and selection requirements in the pack.

See a sample assessment Add the documents for the full check

We check the notice at the source again before the report is produced. If it has closed or been cancelled by then, we do not produce the report and your payment is refunded.