This public procurement record has 3 releases in its history.

TenderUpdate

13 Jul 2026 at 05:15

Tender

06 Jul 2026 at 15:03

Planning

14 Apr 2026 at 14:58

Summary of the contracting process

The Department for Energy Security & Net Zero is conducting the "Homes for Net Zero Phase 3 (HfNZ P3)" procurement process to advance its multiyear research programme focused on decarbonising owner-occupied homes in the United Kingdom. The tender is at the stage of tender update, as of 13th July 2026, with the deadline for submissions set for 21st August 2026. The project, legalised under the UKPGA 2023/54, seeks to engage contractors for managing trials, data analysis, consumer engagement, and heat pump installations across approximately 1,250 homes. An open procurement method will be used, with offers accepted via an electronic submission method. Industry practitioners can partake in a supplier event scheduled for 29th April 2026 to further discuss the contract's scope and objectives.

This opportunity could be significant for SMEs and VCSEs specialising in research services, consumer engagement, data analysis, and energy efficiency, as it spans multiple work packages. Involving a total contract value of £7.66 million, the programme encourages collaborative delivery with possible extensions until March 2030. The opportunity is best suited for businesses with experience in leading large-scale research initiatives, offering low carbon technological solutions, or conducting social research. Participants will contribute directly to building evidence-based insights that support policy development in clean heat and climate resilience, marking a vital role in transforming the domestic energy landscape.

How relevant is this notice?

Notice Title

Homes for Net Zero Phase 3 (HfNZ P3)

Notice Description

DESNZ is seeking to procure a contractor/s to deliver Phase 3 of the Homes for Net Zero research programme (HfNZ P3). This is a continuation of our multiyear, largescale research and demonstration trial, building on the existing cohort of approximately 1,250 owner-occupied homes. Among other tasks the appointed contractor(s) will be responsible for trial management and coordination, longitudinal monitoring, data collection and processing, and participant engagement - including physical measurements in homes and social research with occupants. It will include research on practical, scalable pathways to decarbonising owner-occupied homes, particularly complex-to-decarbonise and space constrained properties, with a focus on low carbon heating. This includes evaluating the real-world performance, costs, and user experience of heat pumps (including reversible air-to-air systems), alternative electric heating and domestic hot water solutions. Consumer engagement approaches, and measures to improve resilience to a future climate, such as overheating mitigation, are also key elements of HfNZ P3. The programme will require delivery through competitively procured work packages (lots); * Lot 1: Trial management and co-ordination - including programme management of whole trial, collecting data from monitoring devices and ensuring high data quality, managing trial participants, supporting additional technology trials through an innovation test bed; * Lot 2: Data analysis and research - including technical analysis of in-home monitoring data to answer the research questions, and collaboration with Lots 3 and 4 to ensure methods are designed to address those questions. * Lot 3: Consumer engagement and social research - establishing best practice consumer engagement approaches to transition homes to low carbon heating and using these to support the delivery of measures in Lot 4, carrying out social research to support the research objectives in collaboration with Lot 2. * Lot 4: Design and installation of low carbon heating measures in homes - including, air-source heat pumps, reversible air-air heat pumps, alternative approaches to electric domestic hot water in space constrained homes and the specification and installation of monitoring equipment. Contractors will need to work collaboratively across the work packages as well as with DESNZ and possibly with linked programmes, notably Built Environment Adaptation and Resilience (BEAR) and Heat Pump Ready Programme (info here: https://www.gov.uk/government/publications/heat-pump-ready-programme/information-about-the-heat-pump-ready-programme#latest-opportunity-from-2026). Outputs are likely to include regular, publicly accessible research publications; including two annual reports with research findings, an annual trial delivery summary, and publication of datasets (subject to GDPR). The programme will also deliver thematic research briefs and a final report at project completion, with outputs designed to directly inform DESNZ policy development and analysis on clean heat, energy efficiency, and climate resilience. DESNZ is holding a supplier event on MS Teams on Wednesday 29th April 2026 from 1400 - 1600, consisting of presentations by DESNZ and interactive feedback sessions.

Lot Information

Trial Management and Coordination

Provides programme-wide trial management, participant engagement, data operations and coordination across all work packages to ensure effective delivery, reporting and governance. 19. The appointed supplier for Lot 1 will be required to work with the suppliers awarded the other three lots, as well as coordinating input from suppliers delivering two other programmes, whose objectives overlap with, but will be commissioned separately from, HfNZ Phase 3

Options: WP 1 (trial management and coordination): Shall coordinate cross-WP delivery planning; chair programme meetings; maintain the integrated delivery plan; manage programme RAID and decision logs; coordinate participant communications and scheduling; and lead the Data Management Plan and data-sharing processes. WP 2 (data analysis & research): Shall specify analysis data/metadata requirements; maintain a reproducible analysis plan and QA approach; and provide timely feedback on the analytical impact of delivery or specification changes proposed by other WPs. WP 3 (consumer engagement & social research): Shall coordinate consumer engagement touchpoints with WP 1 contact plans and WP 4 delivery pathways; and ensure participant-facing materials are accurate, accessible and consistent with what can be delivered. WP 4 (heat pump design and installation): Shall coordinate installation/maintenance activities with WP 1 scheduling, WP 2 data requirements and WP 3; and ensure delivery supports research comparability while maintaining safety and quality.

Renewal: Following a future review of the programme and budgets an additional 1 year extension may be proposed to extend the trial. Beyond this point, future funding and government priorities are uncertain, particularly in the rapidly evolving field of climate research

Data Analysis and Research

Delivers the analytical framework, data integration and technical research needed to turn monitoring, survey and intervention data into robust evidence and publishable findings

Options: WP 1 (trial management and coordination): Shall coordinate cross-WP delivery planning; chair programme meetings; maintain the integrated delivery plan; manage programme RAID and decision logs; coordinate participant communications and scheduling; and lead the Data Management Plan and data-sharing processes. WP 2 (data analysis & research): Shall specify analysis data/metadata requirements; maintain a reproducible analysis plan and QA approach; and provide timely feedback on the analytical impact of delivery or specification changes proposed by other WPs. WP 3 (consumer engagement & social research): Shall coordinate consumer engagement touchpoints with WP 1 contact plans and WP 4 delivery pathways; and ensure participant-facing materials are accurate, accessible and consistent with what can be delivered. WP 4 (heat pump design and installation): Shall coordinate installation/maintenance activities with WP 1 scheduling, WP 2 data requirements and WP 3; and ensure delivery supports research comparability while maintaining safety and quality.

Renewal: Following a future review of the programme and budgets an additional 1 year extension may be proposed to extend the trial. Beyond this point, future funding and government priorities are uncertain, particularly in the rapidly evolving field of climate research

Consumer Engagement and Social Research

Designs consumer engagement, tailored roadmap advice and social research to improve understanding, support decision-making and evaluate barriers to low carbon heating uptake.

Options: WP 1 (trial management and coordination): Shall coordinate cross-WP delivery planning; chair programme meetings; maintain the integrated delivery plan; manage programme RAID and decision logs; coordinate participant communications and scheduling; and lead the Data Management Plan and data-sharing processes. WP 2 (data analysis & research): Shall specify analysis data/metadata requirements; maintain a reproducible analysis plan and QA approach; and provide timely feedback on the analytical impact of delivery or specification changes proposed by other WPs. WP 3 (consumer engagement & social research): Shall coordinate consumer engagement touchpoints with WP 1 contact plans and WP 4 delivery pathways; and ensure participant-facing materials are accurate, accessible and consistent with what can be delivered. WP 4 (heat pump design and installation): Shall coordinate installation/maintenance activities with WP 1 scheduling, WP 2 data requirements and WP 3; and ensure delivery supports research comparability while maintaining safety and quality.

Renewal: Following a future review of the programme and budgets an additional 1 year extension may be proposed to extend the trial. Beyond this point, future funding and government priorities are uncertain, particularly in the rapidly evolving field of climate research

Heat Pump Design and Installation

Designs, installs, commissions and maintains heat pumps and related electric heating solutions, including monitoring, to test performance and participant experience in trial homes.

Options: WP 1 (trial management and coordination): Shall coordinate cross-WP delivery planning; chair programme meetings; maintain the integrated delivery plan; manage programme RAID and decision logs; coordinate participant communications and scheduling; and lead the Data Management Plan and data-sharing processes. WP 2 (data analysis & research): Shall specify analysis data/metadata requirements; maintain a reproducible analysis plan and QA approach; and provide timely feedback on the analytical impact of delivery or specification changes proposed by other WPs. WP 3 (consumer engagement & social research): Shall coordinate consumer engagement touchpoints with WP 1 contact plans and WP 4 delivery pathways; and ensure participant-facing materials are accurate, accessible and consistent with what can be delivered. WP 4 (heat pump design and installation): Shall coordinate installation/maintenance activities with WP 1 scheduling, WP 2 data requirements and WP 3; and ensure delivery supports research comparability while maintaining safety and quality.

Renewal: Following a future review of the programme and budgets an additional 1 year extension may be proposed to extend the trial. Beyond this point, future funding and government priorities are uncertain, particularly in the rapidly evolving field of climate research

Planning Information

There will be a Supplier Engagement Call on 29th April 2026 from 1400 – 1600 GMT. If you are interested in this potential opportunity, please complete the MS Form with your company details. Link for sign-up form: https://forms.office.com/e/KgpgXyDnpr Following confirmation of company details and contact information, an ‘MS Teams’ invite will be circulated for the market engagement event on the week of the event. We would ask that you have a maximum of 2 attendees from each organisation. Participants will need to register by 5pm on 28.04.2026. Please send any clarification questions or queries to internationalclimateandenergy.procurement@energysecurity.gov.uk by 5pm GMT on 08.05.2026.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-068249
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/065395-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

73 - Research and development services and related consultancy services


CPV Codes

73110000 - Research services

Notice Value(s)

Tender Value
£7,660,000 £1M-£10M
Lots Value
£7,660,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
13 Jul 20261 weeks ago
Submission Deadline
21 Aug 20261 months to go
Future Notice Date
20 May 2026Expired
Award Date
Not specified
Contract Period
11 Oct 2026 - 31 Mar 2029 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
DEPARTMENT FOR ENERGY SECURITY & NET ZERO
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1A 2HP
Post Town
South West London
Country
England

Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified

Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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            },
            {
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                }
            },
            {
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                    "amountGross": 3960000,
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                }
            }
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        "communication": {
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        "documents": [
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                "id": "conflictOfInterest",
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        ]
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}