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    ContractsRetrofit Consultant Services for Energy Efficient Home Improvements
    Awarded contract

    Retrofit Consultant Services for Energy Efficient Home Improvements

    Awarded
    £1.5m
    Published 3 Aug 2026

    Northumberland County Council seeks retrofit consultant services to deliver energy efficiency improvements and home decarbonisation projects funded through Government schemes.

    🇬🇧United KingdomPublished 3 Aug 2026· YesterdayviaContracts Finder
    Awarded
    £1.5m
    Published 3 Aug 2026

    Decision brief

    4 fields
    • Contract value
      £1,500,000
      Pounds sterling
    • Tender closed
      20 Feb 2026
      5 months ago
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Suppliers

    2 suppliers
    • ME
      Mantis Energy Ltd
      Lead contractor
    • OA
      OSMOSIS ACD LIMITED
      Consortium partner

    Lifecycle

    Awarded

    Contract awarded. Originally published yesterday.

    3 Aug 202620 Feb 2026

    Brief

    Northumberland County Council (NCC) is seeking qualified retrofit consultant services to support delivery of energy efficiency and home decarbonisation projects. NCC has secured funding through the Government's Warm Homes: Social Housing Fund (WHSHF) and Warm Homes: Local Grant (WHLG) schemes to upgrade homes across Northumberland. The Warmer Homes Team is working to improve domestic energy efficiency, reduce fuel poverty, lower household energy bills, and help properties achieve EPC Grade C ratings by 2030. Consultants will provide expertise in retrofit planning, design, and project delivery to support these objectives. This is an opportunity for experienced consultants to contribute to a major regional decarbonisation initiative.

    Track record

    6 awards · 5 winners
    Open field

    No single supplier dominates the field.

    In engineering, NORTHUMBERLAND COUNTY COUNCIL has awarded 6 contracts to 5 suppliers.

    Who wins here
    1. WSP UK LIMITED2× · 33%
    2. WESSEX ARCHAEOLOGY LIMITED1× · 17%
    3. Mantis Energy Ltd1× · 17%
    4. Turner & Townsend Project Management Ltd1× · 17%
    5. Route Reports Ltd1× · 17%

    Across engineering, the most active winners are AECOM LTD, WSP UK LIMITED, OVE ARUP PARTNERS 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
    c258c0b2-2e79-4fc0-b276-581ef860e61c-909232
    NC
    Buyer
    NORTHUMBERLAND COUNTY COUNCIL
    Sector
    Engineering