DOMESTIC SOLAR PANEL CLEANING

Protecting your home with expert residential solar panel cleaning for improved efficiency and long-lasting performance.

Clean solar panels on the red tiled roof of a brick house under a clear sky

Solar Panel Cleaning for Homeowners

Domestic solar panel cleaning removes dirt, dust, and bird droppings that can block sunlight and reduce your system’s energy output. Even a light build-up affects performance, and if left too long, may cause staining or damage to the frames. Regular cleaning is especially important in coastal, high-pollen, or dusty areas, where debris builds up quickly. By keeping your panels clean, you protect their lifespan, improve efficiency, and get better value from your investment.

If moss or debris on the tiles around your panels is part of the problem, our roof cleaning in Southampton and the surrounding area deals with that too.

  • Protect their lifespan
  • Improve efficiency
  • Better value from your investment
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9,000

Customers

35+

Years In Business

14+

Vehicles

Supported by Outstanding Client Reviews


Protect Your Solar Panels With Professional Cleaning That Restores Efficiency

Solar panels on top of a roof with a chimney.

Restore Efficiency

Dirt and debris on solar panels reduce sunlight absorption and lower energy output. Even small amounts can impact performance. At Neptune Cleaning, we use purified water and soft brushes to remove surface build-up safely. This helps your panels work more efficiently and deliver better energy returns.

Protect Your Property

Dirty solar panels not only lose efficiency, they can also damage your property. Grime and debris can cause corrosion, staining, and long-term wear. At Neptune, we use purified water and soft, ladder-free equipment to clean panels safely, helping protect both your panels and roof from unnecessary damage.

Washing solar panels on a roof with an extendable pole.
No detergents.
Eco-friendly.
Safe and efficient.
Crystal clear finish.

Areas We Cover

Based in the heart of Hampshire, Neptune covers the entire county and beyond. Punctuality and great service are of utmost importance to us, which is why we're trusted by over 9,000 homes and businesses.

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Speak to a member of our team to get started. If we are not yet in your area, leave your name and email below, and we will notify you as soon as we are.

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Meet The Team

Our team delivers an expert solar panel cleaning service for homeowners to get the most from their investment. Count on us to be meticulous in our approach and to leave your panels spotless and performing at their best for total satisfaction guaranteed.

ROB TELLINGMANAGING DIRECTOR
MARK BOTTOMLEYCONTRACTS MANAGER
ALEX EDEFINANCE & ACCOUNTS
MELANIE CLARKEBUSINESS DEVELOPMENT
SHANE SMITHDIRECTOR - EXTERIOR
BEN JEROMES FRANCHISEE AREAS COVERED: SO45, SO18, SO19, SO31
DAN ROWE FRANCHISEE AREAS COVERED: SO21, SO22, SO23
HARRY GIBSON FRANCHISEE AREAS COVERED: PO13, PO14, PO15, PO16, PO17
JAMIE DIVER FRANCHISEE AREAS COVERED: SO30, SO32
JOSH WILEY FRANCHISEE AREAS COVERED: SO16, SO52, SO53
KEANU VINCENT FRANCHISEE AREAS COVERED: SO17, PO7, PO8
MIKE WILEY FRANCHISEE AREAS COVERED: SO51, SO52, SO53
RUSSELL SPENCER-FLEET FRANCHISEE AREAS COVERED: SO40, SO15
SHANE SMITH FRANCHISEE AREAS COVERED: SO31, PO14
TERRY DOVEY FRANCHISEE AREAS COVERED: SO50

You're One Step Away from a Flawless Clean

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FAQs

Guiding you through our range of professional cleaning services to help you find the perfect solution for your property.

When you book commercial exterior building cleaning, you can choose from a variety of services, including window, patio and façade cleaning, render and stone cleaning, roofing cleaning (including for atriums and conservatories), and even solar panel cleaning, if you’ve got them.

We place a calling card invoice through your letterbox on your scheduled cleaning day. It may not always be obvious that we have visited, as your site will consistently be left in excellent condition as part of our service.

Payment can be made conveniently by BACS. Please use your first address line, street name and postcode as the payment reference. You may also pay by cheque, either by post or directly to the operator, please write your address on the reverse of the cheque. Cash payments can be made to the operator on the day.

When you book regular commercial exterior cleaning with Neptune, you gain the benefit of always knowing that your premises remains spotless year-round. Attract new clients and impress existing ones! As the exterior façade is the first thing people see when they interact with your business, it’s important to keep it in top condition. Regular cleaning also stops the spread of moss and algae, which can damage a building over time. You will appreciate your building more when it has no streaks or marks, brightening the environment you come to work in!

Depending on the type of business you run and where it is situated, your business exterior may need bi-weekly or monthly cleaning. In different seasons, building exteriors have different needs as well: in Winter, there is a higher level of rain which can create streaks and scatter debris. In Summer, sun can bleach building façades and fade paint. If you’re concerned about how your building will fare over the year, talk to us today!

As our cleaning concerns your business’ exterior, you don’t need to be there to let us into the interior. We can perform our cleaning duties outside of your normal working hours. If your building is enclosed and needs gate access, we can liaise with you about how to enter the exterior property without you needing to physically be there.

One of the secrets of this system is the final rinse. This removes any pollutants which may have been dislodged from the tiny gaps between the window frame and sealed units. The final stage of the filtration takes place as we pump the pure deionised water from holding tanks in our van through resin filters into the hoses which feed our cleaning poles, ensuring that this water is as pure as it practically can be. The water droplets left on the window will be 100% pure and will dry completely clear. Using a cloth or squeegee to dry windows would only result in contaminating the clean surfaces with smears and blemishes. We offer a 100% satisfaction guarantee and have a high retention rate of customers. Neptune Window Cleaning will give you the cleanest windows and frames you have ever had.

Unlike traditional window cleaning, there are no soapy residues left on your windows after they have been cleaned to be dissolved by the pure rainwater and cause spotting or streaking. Rainwater is nearly as pure as our 5 stage filtered, deionised pure water, and will also dry perfectly clear without spotting. This means we work all year round apart from in the most extreme of weathers when it would be unsafe to work.

This means you get unrivalled reliability and service, and windows and frames which are always clean.