PS22234 BUS (Boiler Upgrade Scheme) Evaluation Report

DESNZ · awarded 21 March 2023

Who

Buyer	DESNZ Swindon
Supplier	ICF Consulting Services Ltd
Category	services
Classification	Research and development services and related consultancy services CPV 73000000
Notice published	18 November 2025

What it is for

******** Modification of the Contract ******** Variation 001 - Amendment to internal timeline. Original contract dates remain unchanged. Variation 002, 003 - phases 1-4 breakdown costs amended, no change to total contract value Variation 004 - Amendment to internal timeline. Original contract dates remain unchanged. Variation 005 - Additional second wave added to scope ***** THIS IS AN AWARD NOTICE, NOT A CALL FOR COMPETITION ***** This procurement is being concluded following a mini competition under the Crown Commercial Services Research & Insights DPS RM6126 Background to the programme As part of global efforts to tackle climate change, the Government has committed to reducing the UK's carbon emissions to net zero by 2050. In order to reach this ambitious target, virtually all heating in buildings will need to be decarbonised. This is because one third of the UK's carbon emissions are generated by fossil fuels being burnt to heat homes and businesses. There are various low carbon heating systems available which can replace fossil fuel heating in buildings, including but not limited to heat pumps and biomass boilers. The requirements for the delivery of an evaluation of the BUS scheme, encompassing process, impact, outcome and economic elements. The evaluation will complement BEIS's internal ongoing monitoring of the scheme. The BUS evaluation aims are to: 1. Examine the extent to which the BUS met its objectives. 2. Provide evidence of the impacts achieved by the scheme to support both benefits reporting and design of future policies. 3. Provide evidence to understand the barriers and opportunities experienced during delivery to support policy improvements and the design of future policies. 4. Support an assessment of the value-for-money of the BUS policy.

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