England's trusted experts in solar panels, battery storage and boiler installation. Eligible households could cut their bills by up to 75%, depending on system size, usage and tariff.
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Adjust your bill and system size, then drag the divider to see your new energy costs.
* Based on the system size and battery capacity selected above (illustrative UK-average generation of 850 kWh/kWp/yr), a fixed annual standing charge of ~£220 which solar does not reduce, the current 26.11p/kWh price cap unit rate (July 2026), and export of unused generation via your electricity supplier's Smart Export Guarantee (SEG) at an illustrative rate of up to 15p/kWh — export rates vary by supplier. Your monthly bill is assumed to cover both gas and electricity, of which around 45% is assumed to be electricity spend — solar only offsets that portion; gas costs are unaffected. The self-sufficiency percentage shown above the 'After' bill is the modelled share of your annual electricity usage met directly by your solar and battery system — it's modelled from your system and battery size (typically around a third for a small system with no battery, rising towards a modelled ceiling of 85% for a large system with a substantial battery), not a quote from the MCS self-consumption look-up tables, and can never exceed what your system actually generates. Any generation beyond what you self-consume is exported and credited via SEG at the rate above. Estimated savings also depend on roof orientation, shading, your actual annual consumption, location and future energy prices, so actual savings will vary. The 25-year figure assumes broadly stable usage and tariffs; in practice panel output degrades slightly over time and batteries may need replacement within this period. Your free survey gives a tailored projection for your home.
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Watch the full day/night cycle — panels charge the battery during the day, then power your home after dark.
Based on average UK energy usage. Your free survey gives exact figures for your home.
| Property type | Avg annual bill | Bill with solar | Annual saving | Payback | CO₂ saved/yr |
|---|---|---|---|---|---|
| 1-bed flat ~1,700 kWh/yr generation (approx. 2kWp system) | £1,200 | £830 | £370/yr | 8–10 yrs | 0.4t |
| 2-bed house ~2,550 kWh/yr generation (approx. 3kWp system) | £1,600 | £1,050 | £550/yr | 7–9 yrs | 0.6t |
| 3-bed house ~3,400 kWh/yr generation (approx. 4kWp system) | £2,100 | £1,360 | £740/yr | 7–9 yrs | 0.8t |
| 4-bed house ~5,100 kWh/yr generation (approx. 6kWp system) | £2,800 | £1,700 | £1,100/yr | 8–10 yrs | 1.2t |
| 5-bed+ home ~6,800 kWh/yr generation (approx. 8kWp+ system) | £3,600+ | £2,130 | £1,470+/yr | 8–10 yrs | 1.6t |
* Generation figures assume 850 kWh/kWp/yr (UK average yield) for a south-facing roof with no shading. Savings are calculated at the current 26.11p/kWh price cap unit rate (July 2026) for the 60% of generation assumed to be self-consumed, plus up to 15p/kWh via the Smart Export Guarantee (SEG) for the remaining 40% exported — export rates vary by supplier and change over time. Figures are calculated on top of a fixed annual standing charge (~£220), which solar does not reduce. Adding battery storage or a well-matched time-of-use tariff can increase savings further; your free survey will show what's achievable for your home. Get your free personalised survey →
With a battery storage system, the energy your panels generate during the day is stored and ready to use at night — so you're never reliant on expensive grid electricity.
Enter your project cost, choose your interest rate and repayment term. Numbers update live.
Based on an estimated 5.0 kWp system generating ~4,250 kWh/yr against 2,500 kWh/yr usage, 53% self-consumed (capped at 90% of stated usage, 2,250 kWh) at the 26.11p/kWh unit rate with the remainder exported at up to 15p/kWh (SEG).
*Illustrative only, based on an average-sized system at the current 26.11p/kWh price cap unit rate. Your free survey gives an exact figure for your home.
Please note: the finance calculator provides only a guide and the exact amounts will be confirmed during the application process.
This calculator illustrates credit (loan) repayments arranged through Ideal4Finance. It does not apply to the Hometree Finance lease, which is not a loan.
See exactly when your solar system pays for itself — then watch the profit build year by year.
* Annual saving splits into a self-consumption portion (valued at the 26.11p/kWh unit rate, which we assume rises with the energy price rise slider) and an export portion (valued at up to 15p/kWh via the Smart Export Guarantee, held flat — there isn't sufficient evidence that SEG rates rise in line with inflation). Generation is estimated from the system cost slider above (illustrative UK-average yield of 850 kWh/kWp/yr) against 2,500 kWh/yr usage, with self-consumption capped at 90% of that usage (2,250 kWh) since some grid import is still likely when solar generation is low. Estimated savings also depend on roof orientation, shading, your actual annual consumption, location and future energy prices, so actual savings will vary. Figures assume payment in full; if you're financing via the Hometree lease, note that the lease includes a 2.5% annual inflationary increase which isn't reflected in the chart above.
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Professional solar panel installation across England.
Figures shown are estimates only. Actual results depend on system size, energy usage, location, tariff and other factors. Your free survey will give exact figures for your home.
Solar panels charge the battery during the day, then your home runs on stored energy through the night.
Based on today's sunrise and sunset. Drag the time slider or adjust your roof direction to see how generation changes.
From your first call to a working system, we keep it simple and stress-free.
Energy stored during daylight hours can power your home from sunset to sunrise, reducing how much grid electricity you need. Grid reliance reduction depends on system size, household usage and seasonal generation, and can reach up to 90% in well-suited homes with a large battery.
The energy your panels generate during the day is stored in your battery and automatically discharged to power your home through the night, reducing reliance on grid electricity. Actual performance depends on battery capacity, household usage and seasonal generation.
Get your free no-obligation survey and personalised quote today.
We believe everyone should have access to clean energy. We can introduce you to two finance providers: credit (a loan) at 0.00%, 10.90% or 11.90% APR arranged through Ideal4Finance, or a lease from Hometree Finance. A lease is not a loan.
The rates below are for credit (loans) arranged through Ideal4Finance and provided by their panel of lenders. They do not apply to the Hometree Finance lease.
We have partnered with Ideal4Finance — one of the UK’s leading FCA-regulated consumer credit brokers — to bring you fast, flexible finance for your home energy installation.
EcoEnergy Insulation Ltd is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, t/a Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and the term.
Hometree Finance offers a lease, not a loan. The interest rates, APRs and calculator on this page relate to credit through Ideal4Finance and do not apply to a Hometree Finance lease.
With a lease, you make monthly payments under a lease agreement with Hometree Finance rather than borrowing money. Your monthly payments, the length of the lease, any annual payment increases and what happens at the end of the lease will all be set out in your lease agreement, which you will receive before you sign. Hometree Finance is a trading name of HTG Finance Limited (Financial Services Register No. 825534), authorised and regulated by the Financial Conduct Authority. Subject to status.
Enter your details, choose your rate and see your numbers update live.
Credit arranged through our partner Ideal4Finance (FCA #703401) — subject to status and credit check. This calculator shows loan repayments only and does not apply to the Hometree Finance lease.
Based on an estimated 5.0 kWp system generating ~4,250 kWh/yr against 2,500 kWh/yr usage, 53% self-consumed (capped at 90% of stated usage, 2,250 kWh) at the 26.11p/kWh unit rate with the remainder exported at up to 15p/kWh (SEG).
*Illustrative only, based on an average-sized system at the current 26.11p/kWh price cap unit rate. Your free survey gives an exact figure for your home.
Please note: the finance calculator provides only a guide and the exact amounts will be confirmed during the application process.
See exactly when your solar system pays for itself — then watch the profit build year by year.
* Annual saving splits into a self-consumption portion (valued at the 26.11p/kWh unit rate, which we assume rises with the energy price rise slider) and an export portion (valued at up to 15p/kWh via the Smart Export Guarantee, held flat — there isn't sufficient evidence that SEG rates rise in line with inflation). Generation is estimated from the system cost slider above (illustrative UK-average yield of 850 kWh/kWp/yr) against 2,500 kWh/yr usage, with self-consumption capped at 90% of that usage (2,250 kWh) since some grid import is still likely when solar generation is low. Estimated savings also depend on roof orientation, shading, your actual annual consumption, location and future energy prices, so actual savings will vary. Figures assume payment in full; if you're financing via the Hometree lease, note that the lease includes a 2.5% annual inflationary increase which isn't reflected in the chart above.
From application to installation in as little as 2 weeks.
Founded with one mission: to make clean, affordable energy accessible to every home in England. Expert installation, exceptional customer service.
EcoEnergy Insulation Ltd was established by a team of energy professionals who saw a gap in the market for a truly customer-first solar and home energy company. We grew from a small local installer into one of England’s most trusted names in home energy.
We believe the transition to clean energy should be straightforward, affordable and hassle-free. From your first enquiry to the day your system goes live — and for years beyond — we’re with you every step of the way.
Our accreditations give you peace of mind that every installation meets the highest UK industry standards.
Whether you’re ready to book a survey or just have a question, our friendly team is here. We typically respond within a few hours.
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Last updated: June 2026 | EcoEnergy Insulation Ltd
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Last updated: June 2026 | EcoEnergy Insulation Ltd
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Last updated: June 2026 | EcoEnergy Insulation Ltd
These Terms and Conditions ("Terms") govern your use of the EcoEnergy Insulation Ltd website and any services you enquire about or engage us to provide. By accessing our website or submitting an enquiry, you acknowledge that you have read and understood these Terms. These Terms do not affect your statutory consumer rights.
EcoEnergy Insulation Ltd is a company registered in England and Wales. Our postal address is 123a Humberstone Drive, Leicester, England, LE5 0RF. You can reach us at info@ecoenergyinsulationltd.co.uk or 07458 974923.
The content on this website is provided for general information purposes only. While we endeavour to keep information accurate and up to date, we make no representations or warranties of any kind — express or implied — about the completeness, accuracy, reliability, suitability, or availability of the website or the information contained on it.
All savings estimates, calculator outputs, payback projections, energy bill reductions, and financial figures shown on this website are indicative estimates only. They are based on general assumptions and average data and do not constitute a formal quote, financial advice, or any guarantee of actual savings or returns. Actual results will vary depending on individual circumstances, property, usage habits, energy tariffs, system performance, weather conditions, and other factors outside our control.
We reserve the right to modify, suspend, or discontinue any part of this website at any time without notice.
Submitting an enquiry through our website does not create any contractual obligation on either party. All quotations provided by us are estimates based on information supplied by you and are subject to a formal site survey. A binding contract is only formed upon receipt of a signed written agreement from both parties. We reserve the right to decline any enquiry or withdraw any quotation at any time prior to a signed agreement.
Details of the services we offer are described on our website for general information only. The scope, specification, pricing, and terms of any service will be set out in a separate written agreement provided to you before any work commences. Nothing on this website constitutes an offer to provide any specific service at any specific price.
Ecoenergy Insulation Ltd (Financial Services Register No. 1055863) is an Introducer Appointed Representative of Hometree Finance, a trading name of HTG Finance Limited, which is authorised and regulated by the Financial Conduct Authority (Financial Services Register No. 825534). Ecoenergy Insulation Ltd is also an Introducer Appointed Representative of Ideal Sales Solutions Ltd t/a Ideal4Finance, which is authorised and regulated by the Financial Conduct Authority (Financial Services Register No. 703401). Ideal Sales Solutions Ltd is a credit broker, not a lender; for credit arranged through Ideal4Finance, the lender will be named on your credit agreement. Ideal Sales Solutions Ltd is a credit broker and not a lender; credit arranged through Ideal4Finance is provided by third-party lenders. Hometree Finance provides a lease, which is not a loan. Finance products are provided by third parties and are subject to status, credit assessment, and the lender's own terms and conditions. We cannot guarantee that any finance application will be approved. Full finance terms will be provided separately before you sign any finance agreement. Rates and products are subject to change.
If you are a consumer (not acting in the course of business) and a contract is entered into away from our premises or via distance communication, you may have a statutory right to cancel within 14 calendar days of signing, under the Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013. If you request that work begins during the cancellation period and subsequently cancel, you may be charged for services already provided. Full cancellation information will be provided with your written agreement.
Payment terms will be set out in your written agreement. We reserve the right to charge interest on overdue payments in accordance with the Late Payment of Commercial Debts (Interest) Act 1998, where applicable. Title to any goods supplied remains with EcoEnergy Insulation Ltd until full payment is received.
To the fullest extent permitted by law, EcoEnergy Insulation Ltd shall not be liable for any indirect, incidental, special, or consequential losses arising from use of this website, reliance on any information contained herein, or from any services provided. Our total liability in connection with any service shall not exceed the amount paid by you for that specific service. Nothing in these Terms excludes or limits our liability for death or personal injury caused by our negligence, fraud or fraudulent misrepresentation, or any other liability that cannot be excluded by law.
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Your use of this website is also governed by our Privacy Policy and Cookie Policy, which are incorporated into these Terms by reference.
We reserve the right to update these Terms at any time. The current version will be published on this page. Continued use of our website after changes constitutes acceptance of the revised Terms.
These Terms are governed by and construed in accordance with the laws of England and Wales. Any disputes arising under or in connection with these Terms shall be subject to the exclusive jurisdiction of the courts of England and Wales.
If your complaint is about the installation, the products, or the service you received from us, please contact us at info@ecoenergyinsulationltd.co.uk, on 0116 373 5639, or by post at Ecoenergy Insulation Ltd, 123a Humberstone Drive, Leicester, England, LE5 0RF. We will acknowledge your complaint and tell you how we will handle it.
We introduce customers to more than one finance provider. Please contact the provider named on your finance agreement.
If your complaint relates to the finance agreement itself, including the terms of the agreement, payments, the way the finance was explained to you, or the administration of your finance agreement, please contact Hometree Finance, a trading name of HTG Finance Limited, directly at hello@hometreefinance.co.uk.
If your finance was arranged through Ideal Sales Solutions Ltd t/a Ideal4Finance, please use their complaints route at ideal4finance.com/complaints, by email at cs@ideal4finance.com, by telephone on 0203 841 2811, or by post at Ideal Sales Solutions Limited, Unit 3, The Crossroads Business Centre, Freckleton Street, Kirkham, PR4 2SH.
If you are unsure which provider your agreement is with, please contact us and we will confirm it and give you their complaints contact details.
If you are unhappy with the outcome of your complaint, or you have not received a final response within eight weeks, you may be able to refer your complaint to the Financial Ombudsman Service (FOS). The service is free and independent.