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Contract awardedSustainable building design

Contract Award Notice

Development and maintenance of methodologies for the Home Energy Model, specifically supporting Energy Performance Certificates and Part L/Future Homes Standard compliance. The work involves technical software development and consulting to ensure the accuracy and ongoing functionality of SAP and RdSAP calculation engines.

Open the official notice (opens in a new tab)
Awarded value
£807k
As published
Published
12 May 2025
Awarded
23 April 2025
City Science Corporation Limited
Contract length
24 months
Ends 13 April 2027

What the contract covers

Services contract

Provision of technical consultancy and software maintenance services for energy modelling methodologies, including SAP and RdSAP standards for building assessments.

  • HEM methodologies for Energy Performance Certificates (EPCs) and Part L/Future Homes Standard (FHS)
  • Maintenance and methodologies for the Home Energy Model (HEM), Standard Assessment Procedure (SAP) and Reduced Data Standard Assessment Procedure (RdSAP)

Terms and requirements

Contract type
Services contract
Procedure
Open procedure
Initial term
24 months
Contract dates
14 April 2025 to 13 April 2027
Certifications asked for
None stated
Suitable for SMEs
Yes
Category
Services
CPV codes
72000000, 73000000

Services in this contract

Lifecycle

  1. Published
  2. Contract awardedto City Science Corporation Limited
  3. Contract starts
  4. Contract ends
The buyer

Department for Energy Security and Net Zero (DESNZ)

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The supplier

City Science Corporation Limited

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Cite this contract

Link
https://bidskim.com/tender/38126/contract-award-notice
Buyer reference
tender_428981/1476644
Open contracting ID
ocds-b5fd17-1e8ef53c-1543-44d1-9921-0f877d3e0f9a
Last checked
5 November 2026

Department for Energy Security and Net Zero (DESNZ). Contract Award Notice. Contract award, 12 May 2025. BidSkim, https://bidskim.com/tender/38126/contract-award-notice (accessed 5 November 2026).