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Commercial Cleaning

ROOF CLEANING FOR BUSINESSES

Protecting your property and preventing costly repairs with trusted commercial roof cleaning.

Before and after of commercial roof cleaning by Neptune.

Commercial Roof Cleaning

Roof cleaning for your corporation removes mossalgaelichenand debris to keep large roofs in good condition. Without regular cleaning, roofs can trap moisture, leading to leaks, drainage issues, and costly damage over time.

At Neptune Cleaning, we provide professional commercial roof cleaning services for offices, schools, warehouses, and other commercial properties. Our experienced team works safely and efficiently to maintain your building’s exterior, helping to reduce long-term maintenance needs while supporting compliance with health and safety standards.

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Fareham Borough Council logoHousing 21 logoFirst Port logoRed Funnel logoRMG logoWinchester City Council logoStonewater logo

Our Corporate Clients

Neptune has been proudly serving corporate clients for over 30 years, establishing a reputation for excellence and reliability in the industry. We have had the privilege of working with esteemed organisations like Stone Water, Winchester City Council, Fareham Borough Council, First Port, Housing 21, RMG, Denfords Property Management to name just a few, providing them with professional window and exterior cleaning services that meet their high standards.

We prioritise safety and professionalism in all aspects of our work. We hold prestigious accreditations with Safe Contractor, iPAF, PASMA, and City & Guilds. These certifications demonstrate our dedication to adhering to the highest safety standards and ensuring the well-being of our team and clients.

The team at Neptune are well-equipped to tackle major tender opportunities. We have the expertise and resources to handle large-scale projects for corporate clients, delivering exceptional results within strict timelines.

9,000

Customers

35+

Years In Business

14+

Vehicles

Supported by Outstanding Client Reviews


Safe & Accredited

At Neptune, we prioritise safety and professionalism in all aspects of our work. We hold prestigious accreditations such as iPAF, City & Guilds, PASMA, and SafeContractor. With our trained and certified professionals, you'll have peace of mind knowing that your windows are being handled with professionalism and care.

City & Guilds
IPAF
PASMA
SafeContractor

Areas We Cover

Based in the heart of Hampshire, Neptune covers the entire county and beyond. Our expert team know what matters to you; punctuality and great service. It's why we're trusted by over 6,000 homes and businesses.

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Commercial window cleaner in a high-visibility vest using an extended pole system to clean upper-floor windows on the Red Funnel Group building, demonstrating Neptune Window Cleaning’s commercial services.

“Rob and his team at Neptune Window Cleaning have done an exceptional clean on our windows."

Red Funnel use this service for both interior and exterior windows at our Southampton Head Office and have found them to be efficient, polite and good value. No mess was left, and the windows are spotless.

Red Funnel Isle of Wight Ferries are committed to minimising their impact on the environment and in March 2011, we were one of the first ferry companies in Europe to be awarded the ISO14001 accreditation. Neptune Window Cleaning’s policy of using a pure water cleaning system without any detergents supports our accreditation.

Caroline Taylor,

Red Funnel Ferries

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Maintain Your Business Premises With Professional Roof Cleaning That Protects Your Building

Using a pressure washer on an extended pole to clean exterior business roofing.

Benefits of Commercial Roofing Cleaning

Keeping your commercial roof clean helps protect your property and reduce long-term maintenance costs. Regular cleaning prevents moss, algae, and debris from building up, which can otherwise lead to water damage and structural issues. It also keeps drainage systems clear, improving water flow and reducing the risk of leaks. A clean roof also improves your building’s appearance, creating a more professional impression for anyone visiting or working on-site.

Our Commercial Roof Cleaning Process

Our commercial roof cleaning service starts with a site assessment to understand your roof's condition and access needs. Based on this, we use either soft washing or high-heat steam to remove moss, algae, and debris safely. Where needed, we apply a biocide treatment to help prevent regrowth. All work is done safely and in line with best practices, ensuring minimal disruption to your site while protecting your building’s condition and appearance.

A before and after of a roof cleaning service from Neptune.

High-Heat Pressure Washing

We use high-heat pressure washing, heating water to around 80–120°C to effectively break down tough grime and organic growth. This method delivers lasting results without relying on harsh chemicals.

Benefits of Commercial Roofing Cleaning

Our low-pressure wash gently clears mossalgaeand dirt from your business' roof without harming tiles or mortar. This method is especially suited to older roofs, providing a safe and effective clean that helps maintain the condition over time.

Roof cleaning from a birds-eye view. Solar panels are seen to adorn the roof from above.
A close-up before and after of commercial roof tiling being cleaned.

Biocide for Commercial Roofing

After our cleaning, we apply a biocide treatment to eliminate any leftover spores and stop regrowth. This helps keep your roof clean for longer and protects it from moisture damage in the future.

Our Roof Cleaning Equipment

This image shows a professional cleaning system set up inside one of our service vehicles, including a high-powered pressure washing unit, water pumps, and filtration systems that allow us to control water flow and pressure depending on the surface being cleaned.

Hose reels are neatly stored to allow easy access when working at height or across large areas. Specialist water-fed poles and brushes are used for safely cleaning glass and exterior surfaces. Safe operation and reliable performance help our team work efficiently while delivering consistent, high-quality results on commercial sites.

The inside of Neptune's van, with various hoses coiled up and canisters of purified water.
No detergent used.
Eco-friendly.
Safe and efficient cleaning. A shield with a tick.
Crystal clear finish. A shining window.
Meet the Team

At Neptune Cleaning, we’re proud to offer a professional and dependable team of commercial roof cleaners. We understand the importance of maintaining clean, well-presented business premises, not just for appearance, but to protect your building over time. You can count on us to be punctual, professional, and easy to work with, whether it’s a one-off clean or part of a scheduled maintenance plan. We’re committed to delivering exceptional results that leave your business' roof spotless and your expectations exceeded.

ROB TELLINGMANAGING DIRECTOR
MARK BOTTOMLEYCONTRACTS MANAGER
ALEX EDEFINANCE & ACCOUNTS
MELANIE CLARKEBUSINESS DEVELOPMENT
SHANE SMITHDIRECTOR - EXTERIOR
BEN JEROMESFRANCHISEEAREAS COVERED:SO45, SO18, SO19, SO31
TERRY DOVEYFRANCHISEEAREAS COVERED:SO50
DAN ROWEFRANCHISEEAREAS COVERED:SO21, SO22, SO23
JAMIE DIVERFRANCHISEEAREAS COVERED:SO30, SO32
RUSSELL SPENCER-FLEETFRANCHISEEAREAS COVERED:SO40, SO15
MIKE WILEYFRANCHISEEAREAS COVERED:SO51, SO52, SO53
SHANE SMITHFRANCHISEEAREAS COVERED:SO31, PO14

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.

Bank details for BACS payment:

Sort Code: 20-79-29
Account Number: 00232297

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.