Department of Climate, Energy and the Environment 1: The number of surveys that were conducted for the purpose of assessment under the Warmer Homes Scheme nationally in 2025 2. The average cost of a warmer homes scheme survey 3. The average cost of a survey under the WHS/EEOS Collaborate Pilot Scheme in 2025 4. The total cost spent on surveys to date under the WHS/EEOS Collaborate Pilot Scheme in 2025