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Information Sources

A transparent listing of the publicly available sources we reference when developing informational guidance about energy efficiency funding in Scotland.

Last Updated: 12 February 2026

About These Sources

The sources listed below are publicly available documents and resources that inform the guidance published on this website. We reference these sources for informational purposes only. Listing a source does not imply any partnership, endorsement, or affiliation with the publishing organisation.

UK Government Energy Guidance

Publicly available policy documents and scheme guidance published by UK Government departments.

GOV.UK - ECO4 Scheme Guidance

Department for Energy Security and Net Zero published guidance on the Energy Company Obligation (ECO4) scheme, including eligibility criteria, obligated suppliers, and measure requirements.

Relevance: Primary source for ECO4 eligibility rules and scheme mechanics

GOV.UK - Great British Insulation Scheme

Official government documentation on the GBIS programme, covering council tax band eligibility, qualifying measures, and delivery mechanisms.

Relevance: Primary source for GBIS eligibility and insulation measure details

GOV.UK - Warm Homes Plan

Published information about the government's strategy for improving home energy efficiency and reducing fuel poverty across the UK.

Relevance: Context for national energy efficiency policy direction

GOV.UK - Energy Performance Certificates

Guidance on EPC ratings, assessment methodology, and the role of energy performance in grant eligibility.

Relevance: Reference for explaining EPC requirements in eligibility guidance

Ofgem Regulatory Framework

Regulatory documentation from the Office of Gas and Electricity Markets governing energy company obligations.

Ofgem - ECO4 Administration

Ofgem's published guidance on ECO4 scheme administration, including supplier obligations, measure scoring, and compliance requirements.

Relevance: Authoritative source for scheme administration details and measure eligibility

Ofgem - ECO4 Delivery Statistics

Quarterly published statistics on ECO4 delivery, including measures installed, households assisted, and regional distribution.

Relevance: Source for scheme performance data and delivery figures

Ofgem - GBIS Administration

Regulatory guidance on the Great British Insulation Scheme, including eligible measures, supplier requirements, and consumer protections.

Relevance: Primary regulatory source for GBIS operational details

Scottish Government and Agencies

Policy documents and programme information specific to Scotland's devolved energy efficiency programmes.

Scottish Government - Energy Efficient Scotland

Scotland's national programme for improving the energy efficiency of buildings, including targets, standards, and support mechanisms.

Relevance: Context for Scotland-specific energy efficiency policy and targets

Home Energy Scotland

The Scottish Government's national advice service providing free, impartial energy efficiency advice to householders. Operated by the Energy Saving Trust.

Relevance: Primary referral point for Scottish households seeking personalised advice

Warmer Homes Scotland

The Scottish Government's flagship fuel poverty scheme providing energy efficiency improvements to eligible households.

Relevance: Source for Scotland-specific fuel poverty scheme information

Scottish Government - Fuel Poverty Strategy

Published strategy documents setting out Scotland's targets and approach to tackling fuel poverty.

Relevance: Policy context for understanding Scottish funding priorities

Industry Regulatory Bodies

Standards and certification bodies relevant to energy efficiency installations and consumer protection.

TrustMark

The government-endorsed quality scheme for work in and around the home. TrustMark registration is required for installers carrying out ECO4 and GBIS work.

Relevance: Reference for installation quality standards and consumer protections

Microgeneration Certification Scheme (MCS)

The quality assurance scheme for renewable energy technologies including heat pumps and solar panels.

Relevance: Source for renewable energy installation standards and certification

PAS 2035 / PAS 2030

Publicly Available Specifications setting out requirements for domestic energy efficiency retrofitting. PAS 2035 covers the overarching framework and PAS 2030 covers installation standards.

Relevance: Reference for explaining retrofit standards and quality requirements

Other Authoritative Sources

Additional publicly available resources used to inform and verify content.

Energy Saving Trust

Independent organisation providing evidence-based advice on saving energy in the home. Publishes research on energy efficiency measures, costs, and savings.

Relevance: Source for savings estimates, measure descriptions, and energy efficiency advice

National Energy Action (NEA)

The national fuel poverty charity working to ensure affordable warmth for everyone. Publishes research and policy analysis on fuel poverty.

Relevance: Reference for fuel poverty context and vulnerability criteria

Committee on Fuel Poverty (Scotland)

The statutory advisory body on fuel poverty policy in Scotland, publishing reports and recommendations.

Relevance: Contextual source for Scottish fuel poverty data and policy recommendations

How We Use These Sources

We use publicly available information from these sources to inform the general guidance provided on this website. Our content aims to make complex scheme information more accessible to Scottish homeowners.

We do not reproduce copyrighted material. Where we summarise or explain information from these sources, we aim to preserve the accuracy and intent of the original while making it easier to understand.

For the most current and authoritative information about any energy efficiency scheme, we recommend consulting the original source directly or contacting Home Energy Scotland on 0808 808 2282.

Reviewed for accuracy and clarity.

This website provides informational guidance only and does not replace official government advice.