Areas we cover
BedfordshireBerkshireBristolBuckinghamshireDevonDorsetEast SussexGloucestershireHampshireHertfordshireKentNorthamptonshireOxfordshireSomersetSurreyWest SussexWiltshire
0330 111 9399We will beat any written quote
Solar panel cleaning

Solar Panel Cleaning

Remove stubborn soiling with professional care for your solar array

Dirt, pollen and bird droppings can build up on panels while the system continues to generate. Solar Maintenance and Repairs provides cleaning for homeowners, landlords and commercial property owners, with methods suited to the panels and roof access.

We assess your array, explain the proposed work and provide a clear price. Cleaning can be combined with servicing where you need a wider picture of the system’s condition.

Specialist solar support
Clear recommendations
Work scoped to your system
Ongoing maintenance and repairs
Request a call back
Tell us about your property, equipment and what you need help with. Our team will contact you to discuss the next step.
Accredited & trusted Approved 5 stars Google reviews FSB Member Trustpilot Checkatrade NAPIT TrustMark Government Endorsed Quality
Solar panel cleaning

Is this the right service for your system

What our customers sayTrustpilot Read our reviews on Trustpilot
01 Panels remain visibly dirty after rain
02 Bird droppings, tree sap, moss or pollen are collecting on the array
03 The property is near trees, farming activity, traffic or construction
04 Output has changed and you want to check whether soiling is involved

What the service covers

01

Why rain does not always do the job

Light dust may wash away naturally, but sticky sap, bird fouling and heavier grime can remain. Shallow roof pitches may retain deposits, while light rain can leave streaks. The right cleaning schedule depends on the site rather than a fixed rule for every property.

02

How soiling affects generation

Deposits can reduce light reaching the cells, and concentrated shading may affect some panels more than others. Pollen and pollution films can accumulate gradually. The recoverable output depends on how dirty the array was; a clean cannot guarantee a percentage improvement or correct an electrical fault.

03

Equipment chosen for panel care

We use purified water-fed poles and soft, non-abrasive brushes, with suitable mild cleaning products where required and permitted for the panels. We avoid harsh chemicals, abrasive tools and high-pressure methods that could damage coatings, seals or glass.

04

More than a cosmetic clean

A cleaning visit includes visual attention to the panels, mounting brackets and visible cabling. Signs of damaged fittings, wear or other concerns are flagged. A full electrical service or fault-finding visit can be quoted separately or combined where agreed.

05

Safe access and straightforward booking

Panel count, roof condition, pitch, access and required equipment all affect the scope. We confirm practical needs such as gates, working areas and water supply before attending, including whether someone needs to be present.

06

Recurring bird activity and maintenance

If birds repeatedly soil or nest around the panels, cleaning alone may not address the cause. Bird proofing and an appropriate maintenance schedule can be discussed alongside the clean. Existing panel damage or persistent output loss may need a repair assessment.

Need help with your system? Our team can talk you through the options. Discuss your requirements — call 0330 111 9399
How it works

From your first enquiry to ongoing support

Technicians maintaining rooftop solar panels
Our service includes
  • Specialist solar support
  • Clear recommendations
  • Work scoped to your system
  • Ongoing maintenance and repairs
Excellent on Trustpilot · 1,000+ online reviews
Book a free assessment — call 0330 111 9399
  1. 1

    Tell us about the array

    Share your postcode, panel count, roof type and any photos taken safely from the ground. Tell us about access restrictions or persistent deposits.

  2. 2

    Assess access and quote

    We plan the cleaning method, any specialist access and the agreed inspection scope, then provide a clear price.

  3. 3

    Clean the panels carefully

    The team removes the agreed soiling using suitable equipment and methods while protecting the array and surrounding property.

  4. 4

    Review visible condition

    We flag observations about panels, fittings and accessible cabling. Any concern requiring technical tests is explained rather than assumed to be dirt-related.

  5. 5

    Recommend ongoing care

    We discuss whether the site needs occasional cleaning, seasonal attention or a combined maintenance programme.

Water-fed brush cleaning rooftop solar panels

Domestic and managed properties

Low-pitch roofs and homes near trees or regular bird activity may need more frequent attention. Many domestic cleans take one to two hours, with timing confirmed according to access and array size.

Water-fed brush cleaning solar panels on a warehouse roof

Commercial and industrial cleaning

Warehouses, factories and public-sector premises need access planning around roof layout, array scale and site operations. Scheduled cleaning can sit within wider commercial maintenance, with servicing or repairs arranged through the same team.

About Solar Maintenance and Repairs

Why choose Solar Maintenance and Repairs

Our work covers solar installation, maintenance and repairs, so advice considers the equipment over its working life. We assess the installation before recommending work, explain the options and agree the proposed scope and costs with you.

If additional work is needed, we explain the reason and quote before it proceeds. Related solar PV, thermal, inverter, storage, cleaning and bird-proofing services can be discussed where they are relevant to your property.

Rooftop solar panel maintenance work
Trading since January 20191,000+ online reviews from homeowners and businesses
Areas we cover

Solar support across the South and South East

We support homes and businesses across Hampshire, Dorset, Wiltshire, Somerset, Bristol, Gloucestershire, Berkshire, Buckinghamshire, Oxfordshire, Surrey, Kent, East Sussex, West Sussex, Bedfordshire, Hertfordshire, Northamptonshire and Devon. Send your postcode and system details to confirm coverage and appointment availability.

Bedfordshire Berkshire Bristol Buckinghamshire Devon Dorset East Sussex Gloucestershire Hampshire Hertfordshire Kent Northamptonshire Oxfordshire Somerset Surrey West Sussex Wiltshire
17counties across the
South & South East

Frequently asked questions

How much does cleaning cost

The quote depends on panel count, roof type, access, location and soiling. Commercial arrays and sites needing elevated access equipment are scoped individually.

How often should panels be cleaned

Annual or seasonal cleaning may suit some sites, while lightly soiled arrays may need less. Trees, traffic, pollen and bird activity help determine the right interval.

Does a business need commercial cleaning

It can be useful where soiling affects generation across a large array. We assess the site and help you decide whether cleaning should be part of scheduled care.

What equipment do you use

Suitable purified-water systems, soft brushes and approved mild products where needed. Equipment and access arrangements depend on the panels and roof.

Can I clean roof mounted panels myself

Working at height and using unsuitable equipment can damage panels or create risks. We recommend professional assessment for roof-mounted arrays.

How long does a clean take

Many domestic cleans take one to two hours. Larger or difficult-access sites can take longer; the proposed timing is explained when quoting.

Will cleaning improve output

Removing substantial soiling may improve light transmission and generation. The result depends on the dirt present, weather and system condition, so a specific increase is not guaranteed.

Are you insured

We hold insurance for domestic and commercial cleaning work. Ask us to confirm the cover applicable to your site.

What our customers say

1,000+online reviews
from homeowners and businesses
Excellent on Trustpilot
★★★★★
“I’m sure that there are dodgy companies out there but this company is certainly not one of them. Very helpful and prompt service, with good communication and trustworthy engineers who know their stuff. Louis was smashing. Very polite, explained everything and did a cracking job of servicing our solar panels system. I’d recommend them to anyone.”
RRoary Pownall
★★★★★
“SMAR are extremely professional, I was kept up to date throughout my interaction with them. They arrived promptly and had me up and running again within an hour. I would definitely recommend them.”
Nnigel bishop
★★★★★
“SMAR serviced our solar water heating system and replaced our original expansion tank, which was installed in 2010. They kept us informed on their arrival times and any issues. Matthew and his colleague were very pleasant and competent workers. Many thanks.”
LLynn Nelson
★★★★★
“Thanks to everyone one at Solar Maintenance. New inverter, battery and Zappi car charger. Thanks to Louis we got there in the end.”
PPauline Tanner
Get in touch

Book your free assessment and quote

Tell us about your roof, panel array and the deposits you have noticed. We’ll confirm access requirements and provide a cleaning quote suited to your property.

Call 0330 111 9399

Email info@solarmaintenanceandrepairs.co.uk

Request a call back

Leave your details and a brief description of your requirements. Include relevant equipment details or fault messages where available.