Written by Bethany Armstrong
Renewables Manager
Updated: 23rd February, 2026
iHeat offer solar finance at 9.9%
See how much you could save with a solar & battery quote.
Once approved, your lender or installer covers the upfront solar panel cost, and you repay through fixed monthly payments.
Most solar finance options in the UK are offered at a fixed APR over an agreed term. iHeat currently offers solar panel finance at 9.9% APR, allowing homeowners to spread the cost over several years rather than paying the full amount upfront.
This flexibility helps match the repayment plan to your budget.
Example:
For a typical 4kW solar system costing around £6,000, repayments could be spread over several years at 9.9% APR, reducing the upfront financial impact while allowing you to benefit from solar immediately.
For larger systems, finance can extend over longer terms to keep monthly instalments manageable.
Homeowners in the UK typically finance solar panels in three ways:
Installer finance - Offered directly through companies such as iHeat at 9.9% APR, subject to status and affordability.
Personal loans - Taken out through a bank or building society at their advertised rates.
Government incentives – Including VAT relief and funding support through schemes such as the Boiler Upgrade Scheme where applicable.
Choose the solar finance option that best fits your budget and goals.
Installer-arranged finance allows you to spread the cost over an agreed term at a fixed rate. This provides predictable monthly repayments and avoids the need for a large upfront payment.
Personal loans may offer alternative rates depending on your credit profile. Terms and interest rates vary by lender.
Some lenders provide products specifically for renewable upgrades. Rates and terms differ depending on the provider.
Finance option | Typical term | Interest rate | Key benefit |
|---|---|---|---|
Installer finance (iHeat) | 2 to 10 years | 9.9% APR | Spread cost with fixed repayments |
Personal loan | 2 to 7 years | Varies by lender | Choose your own provider |
Green home loan | 5 to 10 years | Varies | May include eco incentives |
Rates are subject to status and affordability.
iHeat offers solar panel finance at 9.9% APR, allowing homeowners to spread the cost of installation over a fixed term.
This means:
No large upfront payment required
Fixed monthly repayments
Transparent borrowing costs
FCA regulated credit agreement
iHeat acts as a credit broker and is authorised and regulated by the Financial Conduct Authority.
All installations are carried out by MCS-certified engineers.
iHeat is authorised and regulated by the Financial Conduct Authority as a credit broker, ensuring finance agreements meet UK consumer credit regulations.
Finance is subject to status and affordability.
Solar panel finance gives homeowners control over energy costs without needing to pay thousands upfront.
With fixed 9.9% APR finance through iHeat, switching to solar becomes more manageable while remaining fully FCA regulated and transparent.
Always ensure your installer is MCS certified and FCA authorised before entering into any finance agreement.
Last updated: 23rd February, 2026
Written by Bethany Armstrong
Renewables Manager at iHeat
Bethany Armstrong is a renewables expert and operations manager at iHeat, specialising in heat pump solutions and solar project delivery across the UK.
LinkedInArticles by Bethany Armstrong are reviewed by iHeat’s technical team to ensure accuracy and reliability.
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