Cost Of Solar Panels on Roof: Updated 2025

Costs Affecting Solar Panels

• System Size: The bigger the system the more expensive it will be. A bigger solar PV system will generate more electricity but requires more panels and labour to install.

• Type of Materials: High end materials like monocrystalline solar panels are more expensive than lower end materials like polycrystalline or thin film panels.

• Installation Complexity: Installations that require more labour, like those with complex roof structures or flat roofs, are more expensive due to additional mounting systems and labour costs.

• Location: Installation costs can vary depending on the location, urban areas are more expensive than rural areas due to labour and logistical costs.

• Energy Suppliers: The cost of solar panels can also be affected by the energy supplier, some suppliers offer discounts or promotions that can reduce the overall cost.

Costs Broken Down

Breaking down the costs of solar panels helps homeowners understand where their money is going. Here are the typical costs:

• Materials: 40-50%. This includes the solar panels themselves which is a big chunk of the overall cost.

• Labour: 20-30%. This is the installation process, the work done by the installers.

• Installation Costs: 10-20%. This is any additional costs related to the installation, mounting systems and roof repairs.

• Additional Components: 5-10%. This is the solar inverter, solar batteries and other bits and bobs to make your system work.

Solar Panel Installation

Installing solar panels requires planning and execution. Here are some tips for choosing the right solar panel installation company:

• Research and Compare Installers: Look for companies with good reviews and a history of solar panel installations.

• Check the Solar Panels and Installation: Make sure the company uses high end solar panels and has a warranty for their work.

• Finance Options: Many companies offer finance options to make the upfront cost of solar panels more affordable.

• Check for Any Extras or Fees: Be aware of any hidden costs or fees not included in the quote.

Choosing the Right Solar Panel System

Choosing the right solar panel system is overwhelming but here are some tips:

• Work out Your Energy Needs: Calculate your energy usage to determine the size of the system you need. This will help you choose a system that meets your energy needs without over spending.

• Budget: How much can you afford to spend on a solar panel system? This will help you narrow down your options and find a system that fits your budget.

• Research Solar Panels: Look into different types of solar panels, monocrystalline, polycrystalline, thin film to find the one that suits you.

• Additional Components: Do you need additional components like a solar battery or inverter to get the most out of your solar panel system.

By following these tips and considering the points above you can make an informed decision to install solar panels on your roof and enjoy the long term benefits of solar.

Solar Panel Costs

The cost of solar panels on your roof can vary a lot. A 3.5kWp solar panel system is estimated to cost around £7,000. At CRG Direct we offer competitive pricing for solar panel systems, £4,500 to £6,000 for a 3-4kW system that’s suitable for most UK homes. But prices can go up to £10,000 or more for larger systems or more complex installations.

Price Factors

1. System Size: The bigger the system the more expensive. A bigger solar PV system will generate more electricity but requires more panels and labour to install.

2. Panel Type: Different types of solar panels have different price tags. Monocrystalline solar panels are more expensive but more efficient, polycrystalline and thin film panels are cheaper alternatives.

3. Roof Type: The shape and angle of your roof can affect installation costs. Flat roofs or more complex roof structures may require additional mounting systems and more labour.

4. Additional Components: Need a solar inverter, solar battery storage or other equipment will add to the overall cost of your solar panel system.

5. Installation Complexity: More complex installations, like roof repairs or special mounting systems will add to labour costs. Solar panel labour costs make up 10-30% of the total installation cost. Get multiple quotes from reputable installers to understand these costs which can vary depending on several factors and specific installation details.

Cost Breakdown

Here’s a rough breakdown of the costs:

• Solar Panels: 40-50%

• Inverter: 10-20%

• Mounting System: 10-15%

• Labour Costs: 15-30%

• Additional Components (e.g. solar battery): Varies

When getting a solar installation, you need to consider the total costs involved, installation fees, labour and material costs. Choosing the right suppliers will also affect the price.

Why Solar Panels

The upfront cost of solar panels may be high but you need to consider the long term benefits:

1. Lower Electricity Bills: Solar panels generate electricity for your home, reducing your reliance on the grid and your bills.

2. Smart Export Guarantee (SEG): You can earn money by selling excess solar energy back to the grid through the Smart Export Guarantee.

3. Energy Security: Generate your own electricity and reduce your dependence on energy suppliers.

4. Eco Friendly: Solar power reduces your carbon footprint by generating clean, renewable energy.

5. Increased Property Value: Homes with solar panels have higher resale values.

Get a Quote

To get an idea of the savings and return on investment for your specific situation we’ve created a Solar Panel Cost Calculator. This tool takes into account your roof size, energy usage and location to give you a personalised quote.

Homeowners can also make money by selling excess energy generated by their solar panels back to the grid, earning extra income through export tariffs or special rates offered by energy suppliers.

Try our Solar Panel Cost Calculator)

UK Government Incentives

The Feed-in Tariff has ended but there are still government incentives for UK homeowners installing solar panels:

One of the incentives is the Smart Export Guarantee (SEG) which allows homeowners and small businesses to get paid for excess solar panel energy they export back to the grid. This scheme not only gives you financial benefits but also encourages you to store excess energy in a solar battery for later use.

1. Smart Export Guarantee (SEG): Get paid for excess electricity you export back to the grid.

2. VAT Reduction: Solar panel installations are 0% VAT.

3. ECO4 Grants: Some local authorities offer grants or incentives for renewable energy installations.

Is Solar for You?

Consider these when deciding if solar panels are right for your home:

1. Roof Suitability: Is your roof in good condition and gets enough sunlight?

2. Energy Usage: Do you use a lot of electricity during the day?

3. Long term plans: Are you going to be in your home long enough to see a return on investment?

4. Budget: Can you afford the upfront costs or finance options?

Solar systems can save you money on your bills and increase your property value. Prices and installation costs for solar panels and batteries in the UK vary but there are funding schemes to help reduce the costs, making solar a viable option.

Installation

If you go ahead with solar panel installation here’s what to expect:

1. Site Visit: A professional assessment of your roof and energy needs.

2. System Design: A solar PV system designed for your specific requirements.

3. Installation: 1-3 days depending on system size and complexity.

4. Connection: Connected to the grid and your smart meter.

5. Certification: Ensure your installer is MCS certified.

Maintenance

Solar panels need minimal maintenance and last 25-30 years. Regular cleaning and occasional checks by a professional will help to keep them performing at their best.

Summary

While the cost of solar panels on your roof is a big investment the long term benefits of energy savings, environmental impact and potential earnings through the Smart Export Guarantee make it a viable option for many UK homeowners. Use our Solar Panel Cost Calculator and consider the points above to decide if solar is for you.

Ready to take the next step? Contact CRG Direct today for a personalised quote and expert advice on solar panel installation for your home.