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Commercial Cleaning

COMMERCIAL RENDER CLEANING

Preserving your building’s image and surface integrity with professional commercial render cleaning.

Render Cleaning For Businesses

Industrial render cleaning removes dirt, algae, and pollution from building exteriors to restore a clean, well-maintained look. When left untreated, this build-up can trap moisture, causing damage like cracks or staining over time.

At Neptune Cleaning, we offer safenon-abrasive render and facade cleaning for businesses. Whether you're managing offices, retail sites, schools, or healthcare buildings, we tailor our service to suit your property and help maintain its appearance and condition.

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

Our Corporate Clients

Neptune Window Cleaning Services 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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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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Restore the Appearance of Your Building With Professional Render Cleaning

Tailored Service
We tailor our commercial render cleaning service to suit each site’s specific needs. Whether your building is part of a retail park, office, school, or healthcare facility, we adjust our methods based on access, surface type, and safety requirements.

From single cleans to regular maintenance, we work efficiently and safely to keep your render looking its best with minimal disruption.

Cleaner For Longer
Our commercial render cleaning service helps your building look better and last longer. After cleaning, we apply a biocide treatment that prevents the return of algae, moss, and stains by targeting any remaining spores.

This added protection means your exterior stays clean for longer, reducing how often maintenance is needed and helping you avoid extra costs that may have been needed for repairs.

Our Professional Equipment
This image shows a dedicated cleaning system housed within one of our service vehicles, specifically configured for commercial render cleaning. The setup includes professional-grade pumps, filtration units, and pressure control equipment, allowing us to regulate water flow carefully to suit different render finishes and avoid surface damage while achieving effective results.

Long hose reels are integrated into the vehicle to provide the reach needed for larger façades and multi-storey buildings, reducing the need for constant repositioning on site. Combined with specialist poles and soft-wash accessories, this equipment allows us to safely remove algae, staining, and atmospheric build-up from rendered surfaces. Everything is securely installed to ensure dependable operation, helping our team deliver consistent, high-quality results while working efficiently on commercial properties.

Meet The Team

At Neptune Cleaning, we’re proud to have a team of experienced and approachable specialists in render commercial cleaning. We understand how important a clean, well-maintained exterior is to your business’s image, and we’re committed to delivering results that meet the highest standards. You can rely on us to be punctual, professional, and easy to work with, whether we’re carrying out a one-off clean or part of a scheduled maintenance plan. Our goal is to leave your building’s render looking spotless and to ensure you’re completely satisfied with the service.

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.