Top 5 Solar Panel Installers in London
More London homeowners, landlords and businesses are considering solar panels as energy prices, carbon reduction targets and interest in renewable technology continue to shape property decisions across the capital.
From terraced homes in East London to commercial buildings in West London, solar panel installation can help reduce reliance on grid electricity and support long-term energy efficiency. However, choosing the right installer is important.
A good solar panel installer in London should understand roof space, shading from nearby buildings, scaffolding access, battery storage, inverter sizing, MCS certification and aftercare. The right design can make a major difference to system performance, savings and customer confidence.
This guide compares five solar panel installers in London, including Simple Green Energy Ltd, to help homeowners and businesses make an informed decision before requesting a quote.
Quick Answer: Who Are the Top 5 Solar Panel Installers in London?
The top 5 solar panel installers in London include Joju Solar, Simple Green Energy Ltd, Acen Solar, Solarsense and Solar4Good. Each company may suit different needs depending on property type, budget, roof space, battery storage requirements, EV charger plans, finance options and aftercare expectations. Always compare accreditations, warranties, equipment, design quality and quotation details before choosing an installer.
Comparison Table: Top 5 Solar Panel Installers in London
1. Joju Solar
Company Overview
Joju Solar is a well-known UK renewable energy installer with experience across solar PV, battery storage and EV charging. The company has worked with homeowners, businesses, councils, community buildings and public sector organisations.
For London customers, Joju Solar may be a strong option where experience, technical design and multi-technology knowledge are important.
Key Solar Services
Joju Solar provides solar PV design and installation, battery storage and EV charging solutions. This makes the company suitable for customers who want to combine solar panels with wider energy management.
Residential or Commercial Suitability
Joju Solar is suitable for both domestic and non-domestic projects. Homeowners may consider them for solar panels and batteries, while councils, schools and organisations may value their larger project experience.
Battery Storage Availability
Battery storage is available and can help customers use more of their solar electricity during the evening or at times when solar generation is lower.
Accreditations and Quality Indicators
Joju Solar is known for its long-standing position in the renewable energy sector. Customers should still check the latest MCS status, workmanship warranty, product warranties and consumer protection details before proceeding.
Warranty and Aftercare Points
Before choosing Joju Solar, customers should ask about panel warranties, inverter warranties, battery warranties, workmanship cover, monitoring support and fault response times.
Best Suited For
Joju Solar may be best suited for customers who want an experienced renewable energy installer with domestic, commercial and public sector knowledge.
Pros and Considerations
Pros:
- Experienced solar PV and battery installer
- Suitable for homes, businesses and organisations
- Offers EV charging alongside solar
- Good fit for customers wanting technical renewable advice
Considerations:
- Customers should compare pricing with other solar PV installers in London
- Availability may vary depending on project size and location
- Always confirm current accreditations and warranty details
2. Simple Green Energy Ltd
Company Overview
Simple Green Energy Ltd is a UK renewable energy company supporting homeowners and businesses with solar panel installation, battery storage, EV charger installation, air source heat pumps and renewable energy advice.
For London customers, Simple Green Energy Ltd may be a practical choice for those who want to compare solar PV with other low-carbon technologies and receive guidance on the most suitable system for their property.
Key Solar Services
Simple Green Energy Ltd can support customers with solar PV design, solar panel installation, inverter selection, battery storage options and renewable energy quotations.
The company can help assess important solar design factors such as roof direction, available space, shading, energy usage and whether battery storage may improve self-consumption.
Residential or Commercial Suitability
Simple Green Energy Ltd supports both domestic and commercial customers. This may include homeowners, landlords, small businesses, property managers and organisations looking to reduce grid electricity use.
For London properties, where roof layouts and access can be more complex, a proper survey and tailored quotation are especially important.
Battery Storage Availability
Battery storage can be included as part of a solar PV system where suitable. A battery may help London households and businesses store unused solar electricity for later use, especially in the evening when electricity demand is often higher.
EV Charger Compatibility
Simple Green Energy Ltd also supports EV charger installation. This is useful for customers who want solar panels and electric vehicle charging to work together where the system design, usage pattern and charger technology allow.
Air Source Heat Pumps and Wider Renewable Advice
In addition to solar panels, Simple Green Energy Ltd can advise on air source heat pumps and wider renewable energy options. This is helpful for customers considering a long-term energy upgrade rather than a single installation.
Advice on Energy Savings and Quotation Options
Simple Green Energy Ltd can help customers understand quotation options, system sizes, battery choices and expected benefits. As with any solar installation, exact savings depend on electricity usage, roof layout, generation, export tariff, battery usage and system cost.
Why London Customers May Consider Simple Green Energy Ltd
London customers may consider Simple Green Energy Ltd if they want a renewable energy company that can discuss solar PV, battery storage, EV charging and heating upgrades together.
This can be particularly useful for homeowners and businesses planning future energy improvements, such as installing an EV charger after solar panels or adding battery storage later.
Best Suited For
Simple Green Energy Ltd may be best suited for homeowners, landlords and businesses who want practical renewable energy advice, a tailored solar PV quote and guidance on battery storage, EV chargers and heat pumps.
Pros and Considerations
Pros:
- Supports solar PV, battery storage, EV chargers and heat pumps
- Suitable for domestic and commercial customers
- Helpful for customers comparing multiple renewable technologies
- Can provide tailored advice and quotation options
Considerations:
- Customers should confirm project availability for their London postcode
- Final system design should be based on a survey and energy usage review
- Battery and EV charger suitability depends on property requirements
3. Acen Solar
Company Overview
Acen Solar is a London-focused solar and battery installer serving homes and businesses across London and nearby areas. The company offers solar panels, battery storage and EV charger solutions.
For customers searching for MCS-certified solar installers in London, Acen Solar may be worth comparing due to its local positioning and solar battery experience.
For London customers, Simple Green Energy Ltd may be a practical choice for those who want to compare solar PV with other low-carbon technologies and receive guidance on the most suitable system for their property.
Key Solar Services
Acen Solar provides solar panel installation, solar battery storage and EV charger installation. Its services may suit customers who want a joined-up approach to home or business energy upgrades.
The company can help assess important solar design factors such as roof direction, available space, shading, energy usage and whether battery storage may improve self-consumption.
Residential or Commercial Suitability
Acen Solar supports both domestic and commercial solar projects. This can be useful for London homeowners, landlords, shops, offices and small commercial properties.
For London properties, where roof layouts and access can be more complex, a proper survey and tailored quotation are especially important.
Battery Storage Availability
Battery storage is available and can help customers improve solar self-consumption. This may be especially useful in London homes where daytime occupancy is lower and electricity usage increases in the evening.
Accreditations and Quality Indicators
Acen Solar promotes solar and electrical accreditations. Customers should confirm current MCS certification, electrical registration, insurance, workmanship cover and product warranty details before making a decision.
Warranty and Aftercare Points
A good quotation should explain equipment warranties, battery warranty terms, workmanship guarantees and monitoring support. Customers should also ask how faults are handled after installation.
Best Suited For
Acen Solar may suit London homeowners and businesses wanting a local installer with solar, battery and EV charger options.
Pros and Considerations
Pros:
- London-focused solar panel installer
- Offers battery storage and EV charging
- Suitable for homes and businesses
- Local experience may help with London property types
Considerations:
- Compare quotation detail with at least two other installers
- Ask about scaffolding, monitoring and aftercare
- Confirm current certification and warranty information
4. Solarsense
Company Overview
Solarsense is a UK renewable energy contractor with experience in solar PV and clean energy systems. The company is particularly relevant for commercial clients, larger buildings and organisations looking for a structured renewable energy project.
For London businesses, schools, warehouses, offices and public buildings, Solarsense may be a suitable option to consider.
Key Solar Services
Solarsense provides solar PV design, installation and maintenance. The company also works across renewable energy systems, making it more suitable for larger and more complex projects.
Residential or Commercial Suitability
Solarsense is especially well suited to commercial and organisational projects. This may include businesses with larger roof areas, high daytime energy consumption and carbon reduction targets.
Battery Storage Availability
Battery storage may be available depending on the project design. For commercial buildings, battery storage can sometimes support load shifting, demand management and greater use of on-site solar generation.
Accreditations and Quality Indicators
Commercial customers should look for MCS certification where relevant, electrical competence, health and safety standards, maintenance capability, insurance and evidence of previous commercial solar installations.
Warranty and Aftercare Points
For larger commercial systems, aftercare is especially important. Customers should ask about monitoring, planned maintenance, performance reporting, inverter replacement planning and fault response.
Best Suited For
Solarsense may be best suited for London businesses, commercial landlords, schools, warehouses and organisations looking for a more detailed commercial solar PV solution.
Pros and Considerations
Pros:
- Strong commercial renewable energy experience
- Suitable for larger roofs and organisational projects
- Offers design, installation and maintenance support
- Good fit for businesses with carbon reduction goals
Considerations:
- May be more suitable for larger projects than small domestic systems
- Commercial surveys and feasibility work may take longer
- Customers should compare finance, PPA and capital purchase options
5. Solar4Good
Company Overview
Solar4Good is a UK solar panel installation company offering solar PV and battery storage for homes and businesses. The company is often considered by customers comparing national or regional solar companies.
For London homeowners and businesses, Solar4Good may be worth reviewing alongside local installers and renewable energy specialists.
Key Solar Services
Solar4Good provides solar panel installation, battery storage and related renewable energy services. Customers may consider the company if they want a solar and battery package.
Residential or Commercial Suitability
Solar4Good supports both domestic and commercial customers. This makes it relevant for homeowners, landlords and businesses looking to reduce electricity costs and carbon emissions.
Battery Storage Availability
Battery storage is available and may help households store unused solar electricity for later use. This can be helpful for customers who are away during the day or use more power in the evening.
Accreditations and Quality Indicators
Customers should check current MCS certification, consumer protection membership, installer reviews, warranties and aftercare standards before proceeding.
Warranty and Aftercare Points
Before choosing Solar4Good, ask for clear information on solar panel warranties, inverter cover, battery warranty, workmanship warranty, monitoring app access and support after installation.
Best Suited For
Solar4Good may suit homeowners and businesses looking for solar PV and battery installation from a company operating across the UK, including London.
Pros and Considerations
Pros:
- Offers solar PV and battery storage
- Suitable for residential and commercial customers
- UK-wide presence may support broader coverage
- Useful option for comparison quotes
Considerations:
- Customers should check London-specific survey availability
- Compare equipment brands and warranty terms carefully
- Ask how aftercare is managed locally
What Makes a Good Solar Panel Installer in London?
Choosing from the best solar companies in London is not only about price. A good installer should provide a clear design, reliable equipment, suitable accreditations and honest advice about expected performance.
MCS Certification and Consumer Protection
MCS certification is an important quality standard for solar panel installation in the UK. It helps show that the installer and products meet recognised standards.
For many customers, MCS certification is also important when applying for Smart Export Guarantee tariffs. Customers should also look for consumer protection schemes such as HIES, RECC or similar memberships where relevant.
Clear Solar PV Design
A good installer should assess:
- Roof direction
- Roof pitch
- Shading from trees, chimneys and nearby buildings
- Available roof space
- Panel layout
- Inverter size
- Battery storage options
- Expected annual generation
- Export and self-consumption assumptions
This is especially important in London, where terraced homes, flats, extensions and neighbouring buildings can affect solar generation.
Transparent Pricing
A professional quotation should clearly show:
- Solar panel costs
- Inverter cost
- Battery storage cost, if included
- Scaffolding
- Labour
- Electrical work
- Monitoring equipment
- Consumer protection or certification costs
- Warranty information
- Optional upgrades
Avoid choosing an installer based only on the lowest price. A cheaper quote may not always include the same equipment, warranty, scaffolding or aftercare.
Battery Storage Advice
Solar battery storage can help London households and businesses use more of their own solar electricity. Instead of exporting unused power during the day, a battery can store electricity for later use.
Battery suitability depends on system size, usage patterns, budget and available space. A good installer should explain whether a battery is likely to improve value for your property.
Aftercare and Monitoring
Aftercare is important because solar panels are a long-term investment. Customers should ask about:
- App monitoring
- Handover documents
- Warranty registration
- Performance checks
- Fault reporting
- Inverter support
- Battery support
- Workmanship warranty
A good handover should explain how the system works and what to do if performance appears lower than expected.
Residential and Commercial Experience
Homeowners, landlords and businesses often have different solar requirements.
A homeowner may need a 3kW to 6kW solar PV system with optional battery storage. A commercial property may need a larger system, structural checks, half-hourly electricity data, planning review, maintenance plans and finance options.
Choose an installer with experience that matches your property type.
How Much Does Solar Panel Installation Cost in London?
Solar panel installation costs in London vary depending on system size, roof access, scaffolding, equipment choice, battery storage and electrical requirements.
As a general guide:
| System Type | Typical Use | Example Price Range |
| Small domestic solar PV system | Smaller homes with limited roof space | Around £5,000–£7,500 |
| Medium domestic solar PV system | Typical family homes | Around £7,000–£10,000 |
| Larger home solar PV system | Larger homes or higher electricity users | Around £10,000–£14,000+ |
| Commercial solar PV system | Offices, warehouses, schools and businesses | Varies widely by roof size and design |
| Battery storage add-on | Homes wanting to store solar electricity | Around £3,000–£8,000+ depending on capacity and brand |
These figures are only general examples. A proper survey and tailored quotation are needed because every London property is different.
Factors that can affect cost include:
- Roof height and access
- Scaffolding requirements
- Tile type or flat roof mounting
- Shading and layout complexity
- Inverter choice
- Battery size
- Consumer unit upgrades
- Bird protection
- Monitoring equipment
- Commercial electrical requirements
Customers should compare like-for-like quotations before making a decision.
Can London Homes Benefit from Solar Panels?
Yes, many London homes can benefit from solar panels, even with the UK’s cloudy weather. Solar panels generate electricity from daylight, not just direct sunshine.
However, performance depends on roof conditions. A south-facing roof with little shading often performs well, but east-west roofs can also be suitable. Flat roofs may require mounting systems to angle panels correctly.
London customers should pay close attention to shading from:
- Neighbouring buildings
- Chimneys
- Trees
- Dormers
- Roof extensions
- Nearby flats or commercial buildings
Battery storage can also improve the benefit of solar panels by helping households use more of their generated electricity later in the day.
Before choosing any installer, compare MCS certification, warranties, customer reviews, survey quality, battery storage options, inverter choices, aftercare and the full quotation breakdown.
Solar Panels, Battery Storage and EV Chargers
Solar panels can work well with battery storage and EV chargers when designed correctly.
A solar PV system generates electricity during the day. A battery can store unused electricity for later, while an EV charger can use available solar electricity to support home charging where the charger, system size and household usage allow.
This can be useful for London homeowners with electric vehicles, especially where the car is parked at home during daylight hours or where smart charging is available.
Simple Green Energy Ltd can advise customers on solar PV, battery storage and EV charger installation together, helping homeowners and businesses plan a joined-up renewable energy system.
Smart Export Guarantee
The Smart Export Guarantee, often called SEG, allows eligible small-scale renewable electricity generators to receive payments for electricity exported back to the grid.
For solar panel owners, this means unused electricity may be exported to an energy supplier through an SEG tariff. Rates and terms vary by supplier, so customers should compare tariffs carefully.
To qualify, customers usually need a suitable certified installation and an export-capable smart meter. An MCS certificate or equivalent recognised certification is commonly required by suppliers.
VAT Savings on Solar Panels
Qualifying domestic solar panel and battery storage installations may benefit from 0% VAT under current UK rules, subject to eligibility and government policy.
This can reduce the upfront cost for homeowners compared with the standard VAT rate. Customers should ask their installer to confirm whether their installation qualifies and how VAT is treated on the quotation.
VAT rules can change, so it is sensible to check current government guidance before proceeding.
Pros and Cons of Choosing a London Solar Installer
Pros
- Better understanding of London roof types
- Easier site surveys and property visits
- Local knowledge of access and scaffolding challenges
- Familiarity with domestic and commercial properties
- Potentially easier aftercare and support
- Better understanding of shading issues in dense urban areas
Considerations
- Scaffolding may be more expensive in some London areas
- Roof space can be limited on terraces and flats
- Shading from neighbouring buildings may reduce generation
- Conservation areas may need additional checks
- Parking and access can affect installation planning
- Commercial properties may need more detailed design work
Frequently asked questions (FAQs)
Simple answers to common questions about choosing solar installers in the UK, comparing quotes, checking MCS certification, understanding costs and finding the right installer for your home. Speak to Simple Green Energy.
Need help choosing a solar installer?
Speak with Simple Green Energy about solar PV, battery storage, MCS paperwork, roof surveys, quote comparisons and choosing the right solar setup for your home.
Get solar adviceConclusion
Choosing the best solar panel installer in London depends on your property, budget, roof space, system size, battery requirements and aftercare expectations.
Joju Solar, Simple Green Energy Ltd, Acen Solar, Solarsense and Solar4Good each offer different strengths. Some may be better suited to residential solar panels, while others may be more suitable for commercial solar PV, battery storage or wider renewable energy projects.
For London homeowners and businesses, the most important step is to request a tailored solar PV quote based on your actual roof, electricity usage and future energy plans.
Simple Green Energy Ltd can help customers explore solar panel installation, battery storage, EV chargers, air source heat pumps and renewable energy quotations.
To take the next step, request a tailored solar PV survey or quotation and compare your options before choosing the right installer for your London property.
