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Solar panel cost - what you need to know

Understand what affects the cost of solar panels for your home — from system size to installation options — and find out what kind of return you can expect.

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Range of finance options    |    Fast Installation    |    Trustmark-Approved Installers    |    Government-backed schemes available

Thinking about solar costs? Here's what you need to know.

Thinking about installing solar panels but unsure about the cost? You’re not alone. It’s one of the most common questions we’re asked and the good news is that solar has never been more affordable or cost-effective.

This page will give you a clear idea of what to expect, what’s included, and how to get a personalised quote that fits your home and budget.

What affects the price?

Several factors can influence your final system cost:

  • System size – More panels = more materials, labour, and generation
  • Panel type and efficiency – Premium brands or high-output panels may cost more
  • Roof type and access – Complex roofs may require more labour or scaffolding
  • Battery storage – Adding a battery increases upfront cost but boosts long-term savings
  • Inverter type and monitoring system – Some systems come with smart monitoring tools included

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Typical solar system costs

The costs below are purely indicative and may differ to the quote you receive for your property. Remember, the system you have installed will depend on your property, as well as your annual energy use.

  • 2kW System
    • 5-6 panels
    • £3,500-£4,500
    • Annual generation: 1,800-2,200 kWh
  • 3kW System
    • 7-8 panels
    • £4,500-£5,500
    • Annual generation: 2,700-3,300 kWh
  • 4kW System
    • 7-8 panels
    • £4,500-£5,500
    • Annual generation: 2,700-3,300 kWh
  • 5kW System
    • 9-10 panels
    • £5,500-£6,500
    • Annual generation: 4,500-5,500 kWh

Solar panel finance

We offer a range of flexible payment options (subject to status), including:

  • Low-deposit finance plans
  • Monthly instalments over 3 to 10 years
  • Options with no early repayment fees
  • Buy now, pay later schemes (depending on availability)

We’ll explain all finance options clearly and help you find the most affordable route forward.

Looking for more info? Speak to our team.
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Why choose solar for your home?

Energy prices are increasing every year, meaning solar makes more financial sense than ever.

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Cut your energy bills

Generate your own solar electricity and cut hundreds off your bills every year.

Rising bills

Avoid those price cap increases

Win the battle against rising energy bills by using less energy from the grid and more from your own solar panels.

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Reduce your carbon footprint

Do your bit of the environment with a supply of clean, green electricity generated from your rooftop.

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Stay powered

With optional battery storage, you can store solar energy for when you need it, or even charge up while costs are low.

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Want to get started? Speak to our team.
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Why choose LMF?

We’re not a new name in solar — we’re a trusted, national installer with a proven record.

  • Fully accredited with MCS, TrustMark, and RECC.
  • Options for fully funded and privately funded systems.
  • Over 30 industry awards, including back-to-back Solar Installer of the Year wins at the Energy Efficiency Awards.
  • National coverage, with a network of local surveyors and installers.
  • Exceptional customer support from first call to final handover

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Speak to our team

Want to have a chat about how LMF can support you in your solar journey?

Fill in the form below and we'll contact you as soon as possible. Alternatively, you can call us on 0800 107 5211.
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What’s Included in a Home Solar System?

Every home is different — we design your system based on your roof size, energy usage, and goals.

Your setup could include:

  • High-efficiency solar PV panels
  • Inverter to convert solar power to usable electricity
  • Optional battery storage
  • Remote monitoring
  • Smart export guarantee setup

Find out how many panels you might need based on your roof and energy usage.

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Explore Home Solar

Discover our most popular guides, packed with practical advice and clear information to help you save energy, reduce costs, and make informed decisions.

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