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    ContractsHMP Onley Cell Windows and Doors Replacement Project
    Awarded contract

    HMP Onley Cell Windows and Doors Replacement Project

    Awarded
    £8.8m
    Published 4 Sept 2026

    Design and Build contract for replacement of 402 cell doors and 422 windows at HMP Onley, with total project value estimated at £8.8 million.

    🇬🇧United KingdomPublished 4 Sept 2026· 1 months agoviaContracts Finder
    Awarded
    £8.8m
    Published 4 Sept 2026

    Decision brief

    4 fields
    • Contract value
      £8,818,468
      Pounds sterling
    • Tender closed
      25 Mar 2026
      6 months ago
    • Sector
      Construction
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    1 supplier
    • GT
      GALLIFORD TRY CONSTRUCTION LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 months ago.

    4 Sept 2026Today25 Mar 2026

    Brief

    The Ministry of Justice Estate Directorate is undertaking a two-stage Design and Build project to replace 402 cell doors and 422 windows across wings A-E, G, and H at HMP Onley prison. The project is procured under the PPC2000 (Amended 2013) Form of Contract with a constructor already appointed. Stage 1 involves pre-construction surveys and design services at a cost of £329,255.00. The total estimated construction cost for the complete project is £8,818,468.54. This comprehensive prison infrastructure upgrade was scoped following desktop and non-intrusive surveys to ensure accurate cost estimation and project planning.

    Track record

    10 awards · 6 winners
    Open field

    No single supplier dominates the field.

    In construction, MINISTRY OF JUSTICE has awarded 10 contracts to 6 suppliers.

    Who wins here
    1. GALLIFORD TRY CONSTRUCTION LIMITED3× · 30%
    2. Kier Construction Limited3× · 30%
    3. Ravenstone Central Limited1× · 10%
    4. Galliford Try Construction UK Limited1× · 10%
    5. HBC Constrcution Limited1× · 10%
    6. WATES CONSTRUCTION LIMITED1× · 10%

    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 on sourceContracts Finder

    Award notice and full record on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    6b77ffb8-9092-441b-98af-6f0a33f66227-912981

    Your fit

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    MJ
    Buyer
    MINISTRY OF JUSTICE
    Sector
    Construction