Information Notice
These answers are compiled from official government sources and scheme documentation. We are an independent information service. Always verify current details with official sources and qualified professionals before making decisions.
FAQ Categories
General Questions
According to government sources, the main UK energy grant schemes in 2025 are:
- ECO4 Scheme: Up to £15,000 for energy efficiency measures (GB-wide)
- Boiler Upgrade Scheme: £7,500 for heat pumps, £5,000 for biomass (England & Wales)
- Warm Homes Plan: Up to £30,000 for comprehensive upgrades (England, launched April 2025)
- Warmer Homes Scotland: Up to £27,000 for Scottish residents
- Local Authority schemes: Various council-specific programmes
Yes, in many cases you can combine schemes, but there are rules:
- ECO4 and Boiler Upgrade Scheme can sometimes be combined for different measures
- Local authority schemes may complement national programmes
- You cannot typically receive funding from multiple schemes for the same specific measure
- Scotland has separate schemes that may combine with ECO4
- Professional installers can advise on the best combination for your situation
This depends on the scheme and your specific situation:
- ECO4: Often fully funded for eligible households - no upfront cost
- Boiler Upgrade Scheme: Grant is deducted from installation cost - you pay the remainder
- Warm Homes Plan: May be fully funded for eligible households
- Some installers offer payment plans for any remaining costs
- Always get clear pricing information before work begins
Eligibility Questions
Income thresholds vary by scheme:
- ECO4: Combined household income £31,000 or below (gross)
- Warm Homes Plan: Household income under £36,000 (gross)
- Boiler Upgrade Scheme: No income restrictions - available to all
- Scottish schemes: Various thresholds depending on household composition
- Many schemes also have benefit-based eligibility routes that don't require income assessment
EPC requirements vary by scheme:
- ECO4: Property must have EPC rating D, E, F, or G
- Boiler Upgrade Scheme: No EPC rating requirement
- Warm Homes Plan: Property must have EPC rating below Band C
- Scottish schemes: Typically target lower EPC rated properties
- If you don't have an EPC, one can usually be arranged as part of the assessment process
Tenants may be eligible, but it depends on the scheme and landlord permission:
- ECO4: Private tenants may be eligible with landlord consent
- Warm Homes Plan: Includes provisions for private tenants and social housing
- Boiler Upgrade Scheme: Tenants need landlord permission and involvement
- Social housing tenants should contact their housing provider directly
- Landlords can also apply for grants on behalf of their tenants
Application Questions
The application process varies by scheme:
- ECO4: Apply through an approved installer - they handle the application process
- Boiler Upgrade Scheme: MCS-certified installers apply on your behalf
- Warm Homes Plan: Applications through approved contractors
- You cannot apply directly to government - you must work with certified installers
- Our connection service can help you find qualified installers in your area
Timescales vary depending on the scheme and your specific situation:
- Initial assessment: Usually 1-2 weeks after installer visit
- Grant approval: Can take 2-8 weeks depending on scheme complexity
- Installation scheduling: 2-6 weeks after approval (varies by installer availability)
- Total process: Typically 6-16 weeks from first contact to completion
- Complex installations or multiple measures may take longer
Common documents required include:
- Proof of income (payslips, tax returns, benefit statements)
- Council Tax bill or statement
- Utility bills (gas and electricity)
- Property ownership documents or tenancy agreement
- EPC certificate (if available - can be arranged if needed)
- Bank statements (for some schemes)
- Photo ID
Your installer will provide a complete checklist for your specific application.
Technical Questions
Typical grant installations include:
- Heat pump installation: Full system including outdoor unit, indoor components, and controls
- Insulation: Materials and professional installation with proper ventilation considerations
- System commissioning: Testing and optimization of all installed equipment
- User training: How to operate your new systems efficiently
- Warranties: Manufacturer warranties plus installer guarantees
- Certification: All required building control and MCS certificates
Most heat pump installations fall under permitted development rights:
- Air source heat pumps usually don't need planning permission for most properties
- Ground source heat pumps may require permission for ground works
- Listed buildings and conservation areas have special requirements
- Your installer will assess planning requirements during the initial survey
- Building regulations approval is typically required regardless of planning permission
Installation disruption varies by measure type:
- Air source heat pump: 1-3 days installation, heating off during work
- Ground source heat pump: 1-2 weeks due to ground works
- Insulation: 1-5 days depending on extent, some room access restrictions
- Solar panels: 1-2 days, minimal internal disruption
- Professional installers minimize disruption and provide temporary heating if needed
- Most work can continue around your daily routine with some planning
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