DESNZ · public beta

Warm Homes: Local Grant

"The Warm Homes: Local Grant (WH:LG) service provides users with guidance on whether they are eligible for the Warm Homes: Local Grant, and allows local authorities (LAs) to download referral data for citizens that could be eligible."

Publicly known

  • Owner: DESNZ
  • Vendor: Softwire Technology Limited

Undisclosed

  • Model architecture
  • Model performance benchmarks
  • Training data provenance

Who is actually being paid

Softwire Technology Limited

03824658

Role

A third-party supplier has been engaged to support the development, build, and deployment of the algorithmic tool. They were responsible for creating the technical solution, implementing the eligibility logic, and ensuring the service met the required performance and security standards. The same supplier now provides ongoing maintenance, support, and continuous improvement to ensure the tool remains accurate, reliable, and up to date.

Procurement procedure

The third-party supplier was contracted via a G-Cloud 14 framework call-off procedure, in line with government procurement guidelines

Data access terms

The third party is granted limited access to data strictly for the purposes of developing, maintaining, and supporting the service. Access is provided under contractual data protection obligations, with controls in place to ensure data is accessed only when necessary and handled in accordance with GDPR and departmental security requirements.

Verified at Companies House · checked 4 November 2026

Registered as SOFTWIRE TECHNOLOGY LIMITED · Active · incorporated 1999

View on the register

Source: ATRS record · last updated Mon Mar 30 2026