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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.

    ContractsEnergy Efficiency Retrofit Installation for Residential Properties
    Awarded contract

    Energy Efficiency Retrofit Installation for Residential Properties

    Awarded
    £500k
    Published 16 Jul 2026

    Seek experienced retrofit installers to deliver energy-saving upgrades and improvements to residential homes.

    🇬🇧United KingdomPublished 16 Jul 2026· 2 months agoviaContracts Finder
    Awarded
    £500k
    Published 16 Jul 2026

    Decision brief

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

    Suppliers

    1 supplier
    • OA
      OSMOSIS ACD LIMITED
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 2 months ago.

    16 Jul 2026Today1 Jan 2026

    Brief

    This opportunity invites qualified retrofit installers to provide energy-saving measures to domestic properties. The scope includes installing insulation, upgrading heating systems, improving ventilation, replacing windows and doors, and implementing other approved energy efficiency upgrades. Installers should have relevant certifications, technical expertise, and experience in residential energy retrofit work. The goal is to reduce household energy consumption and carbon emissions while improving comfort and reducing utility costs for homeowners.

    Track record

    7 awards · 7 winners
    Open field

    No single supplier dominates the field.

    In engineering, Southern Housing has awarded 7 contracts to 7 suppliers.

    Who wins here
    1. SAVILLS UK LTD1× · 14%
    2. OSMOSIS ACD LIMITED1× · 14%
    3. CALFORDSEADEN LLP1× · 14%
    4. GCS Compliance LTD1× · 14%
    5. STANTEC UK LTD1× · 14%
    6. TETRA TECH CONSULTING LIMITED1× · 14%

    +1 more supplier

    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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    Seek qualified contractors to replace windows at Ramsey House, Vassall Road, London.

    Southern Housing
    Published 22 Sept 2026
    AwardedConstruction🇬🇧United Kingdom

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    Design and build contract for 25-33 Parkhouse Street, London SE5 7TQ, currently in completion phase.

    £27,539,488Southern Housing
    Published 17 Sept 2026
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    Supplier opportunity for professional window cleaning services serving the Kent region.

    £147,865Southern Housing
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    Window Cleaning Services - Isle of Wight

    Opportunity to provide window cleaning services for properties located on the Isle of Wight.

    £291,680Southern Housing
    Published 17 Sept 2026

    Open in Engineering

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    Engineering🇬🇧United Kingdom

    Mechanical and Electrical Services Framework

    City of York Council seeks experienced M&E contractors and consultants to provide design, installation, maintenance, and advisory services for commercial mechanical and electrical systems.

    est.£4,408,000CITY OF YORK COUNCIL
    Published 22 Sept 2026
    Engineering🇬🇧United Kingdom

    Recording Methods for Climate-Threatened Heritage Assets

    Develop guidance for heritage asset owners to document and record changes to properties threatened by climate-driven impacts using appropriate recording methods.

    est.£20,000HISTORIC ENGLAND LIMITED
    Published 22 Sept 2026
    Engineering🇬🇧United Kingdom

    Planning Communications Consultant for British Museum Western Range Redevelopment

    The British Museum seeks a Planning Communications Consultant to manage Town and Country Planning communications for its major Western Range redevelopment, a complex heritage project spanning 15,000 square metres across historic buildings housing world-renowned collections.

    est.£250,000British Museum
    Published 22 Sept 2026
    Engineering🇮🇪Ireland

    Swimming Pool Facility Feasibility Study for Leixlip

    Feasibility study required for a new swimming pool facility in Leixlip adjacent to Kildare Innovation Campus.

    Kildare County Council
    Published 22 Sept 2026
    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
    c8844b85-426c-4085-9a59-c1ac076285d0-906596
    SH
    Buyer
    Southern Housing
    Sector
    Engineering