ECO4 Interim Delivery Guidance

The ECO3 scheme came to an end on 31 March 2022, with an interim period announced before ECO4 fully replaces it.

Ofgem has released guidance for delivery during the interim period which will run 1 April to 30 June.

Route 1 : ECO4 Early Delivery

ECO4 Early Delivery will allow suppliers to deliver to ECO4 scheme rules and be awarded ECO4 deemed scores from 1 April 2022.

ECO4 measures can only be notified to the Ofgem ECO4 register once the ECO4 Order is in force.

Route 2 : ECO3 Interim Delivery

ECO3 Interim Delivery will allow suppliers to deliver to ECO3 rules and ECO3 scoring methodology for three months between 1 April 2022 – 30 June 2022.

New and replacement Oil or LPG fuelled heating systems will not be allowed as measures during Interim Delivery.

Measures installed during this period must be carried out in accordance with the latest PAS2035 standards and in accordance with latest version of PAS2030 and MCS standards where relevant.

Interim Delivery to ECO3 rules

There is no change to eligibility criteria during the interim period to that of ECO3.

The LA Flex mechanism will be available during Interim Delivery.

ECO3 eligibility rules, ECO3 Deemed Scores and ECO3 measure types stay the same, excluding new oil and LPG heating systems.

ECO4 caps will apply during the interim delivery period, with measures delivered in this time counting towards the cap.

This includes LA flex and broken boiler and efficient heating caps.

We also know that ECO3 uplifts will remain.

We recommend you read the full Ofgem guidance which can be found here.

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