Supplier · Infrastructure, Construction, Energy & Environment

Winslow Constructors

Won in the last 12 months$79M▲ 5% on the year beforeValue won per quarter, last three years

Contracts on record29$423M in total

Running now0Latest win Oct 2026

Next contract endingNov 2026$240K · Development Victoria

Biggest buyerMajor Road Projects Victoria35% of their value

17contractssince 2020

$351.6Mwon in totallatest Oct 2025

$5.4Mtypical contractmost $3M to $26.6M

$78.3Mlast 12 monthsup from $74.6M

4active now2 end within a year

Biggest buyerMajor Road Projects Victoria2 contracts · $149.4M · 42% of value

What they do

Winslow Constructors supplies civil construction and infrastructure works, including road upgrades, roundabouts, intersections, earthworks, and landfill cells.

Who buys from them

Major Road Projects Victoria, Major Road Projects Authority, Development Victoria, Urban Renewal Authority (trading as Renewal SA) and DoT Roads are the largest buyers among 9.

Major Road Projects Victoria Major Road Projects Authority Transport and Main Roads Development Victoria Urban Renewal Authority (trading as Renewal SA)

Contract size

Contracts typically range from $3M to $26.6M, with a median of $5.4M. The largest are Sunbury Road Upgrade Delivery Phase Services at $147M for Major Road Projects Victoria, Watson Street Interchange Upgrade at $78.3M for Major Road Projects Authority, and Civil Construction Services in Noarlunga at $35M for Urban Renewal Authority (trading as Renewal SA).

Recent activity

In the last 12 months, 1 contract worth $78.3M was awarded. 4 contracts are active, with 2 ending within 12 months.

Built from awarded contracts on record

What they win

How much they win each year, the size of a typical contract, and every contract on record.

Contract history

Watson Street Interchange Upgrade — Construction of South-facing On and Off Ramps to Hume FreewayInfrastructure$78.3M21/10/2025 Provision of Civil Construction Services in Noarlunga by Winslow Constructors Pty LtdConstruction$35M20/02/2025 Engagement of Civil Contractor for Development Victoria ProjectConstruction$238K12/10/2026 Roundabout Construction by Winslow Constructors for DTPInfrastructure$5.4M13/01/2025 Infrastructure, Earthworks and Servicing by Winslow Constructors for Development VictoriaInfrastructure$21.5M06/12/2024 Rural Road Construction by Winslow Constructors for Development VictoriaInfrastructure$4.4M31/07/2024 Upgrade of Point Cook Road and Sneydes Road by Winslow ConstructorsInfrastructure$7.5M16/05/2024 Civil Works Contract Awarded to Winslow Constructors Pty Ltd by Development VictoriaConstruction$26.6M01/08/2023 Flood Recovery Works for South East Queensland Heavy Rainfall and Flooding Event 22FInfrastructure$104K01/06/2022 Flood Recovery Works on Bruce Highway After Ex-Tropical Cyclone SethInfrastructure$55K03/03/2022

Who they win it from

Their biggest government buyers and how much of their work each one is.

Coming up

Contracts that end soon and may go back out to tender.

Contracts ending in the next three years3 contracts · $27M

The next one ends November 2026 at Development Victoria.

Recompete radar

3 expiring in 12mo

Contracts nearing the end of their term. Some may go back out to tender when they expire.

Engagement of Civil Contractor for Development Victoria Project

Expires in 15d$238K

Development Victoria Infrastructure, Earthworks and Servicing by Winslow Constructors for Development Victoria

Expires in 9mo$21.5M

Development Victoria Roundabout Construction by Winslow Constructors for DTP

Expires in 10mo$5.4M

Department of Transport and Planning (DTP)

About them

Company details, where they work and the names they trade under.

Also traded asWinslow Constructors, WINSLOW CONSTRUCTORS, Winslow Constructors Pty Ltd, Winslow Constructors PTY LTD

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Open tenders that match their work

Winton–Jundah Road Stage 3 Stabilisation Works – Winton Shire CouncilCloses 25 NovInfrastructure Construction of Pedestrian‑Cyclist Refuge Island and Road Safety Improvements – Henry Lawson Drive, MilperraCloses 24 NovInfrastructure Active Travel Upgrades on Sherbrooke Street, Ainslie — Civil Construction ContractorCloses 3 DecInfrastructure Owen Street (Shire Hall) Carpark Pavement Renewal and Stormwater Upgrade — InnisfailCloses 11 DecInfrastructure Winton–Jundah Road Sealing Works – Winton Shire Council (ROSI-funded)Closes 17 NovInfrastructure Drainage, Pavement and Signage Works – Macquarie Street (Windsor), Old Northern Road (Glenorie) & Galston Road Pedestrian Refuge ProjectCloses 7 DecInfrastructure Water Sensitive Urban Design Rectification — Gateway, Broadmeadows & Sassafras Sunbury (Hume City Council)Closes 3 DecWater & Sanitation Design and Construction of Stormwater Drainage Upgrades – Baxter Road & Botany Lane, MascotCloses 11 DecWater & Sanitation Intersection Improvement Works – Karrinyup Morley Highway, Wellington Road & Camboon RoadCloses 4 DecInfrastructure Cannon Valley Network Reconfiguration – 450m 300 DN Water Main and Stormwater Works (Parker Road)Closes 16 NovWater & Sanitation Whyanbeel Water Main Replacement — Design and Construction on Karnak Road and Whyanbeel RoadCloses 2 DecWater & Sanitation Tasman Highway Sideling Upgrade – Minstone Road to Fairfield Road (Pavement Widening & Drainage Works)Closes 16 DecInfrastructure

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