What is The Cost of Moss Cleaning from Roof in Ireland?

Lenard Nagy
Jul 23, 2025

Is moss taking over your roof and you’re unsure how much it’ll cost to get rid of it? You’re not alone. Many homeowners across Ireland face the same issue and often underestimate the damage moss can cause. 

From blocked gutters to weakened roof tiles, moss can lead to costly repairs if left untreated. 

In this guide, we’ll break down the cost of moss cleaning from roofs in Ireland, covering price ranges and factors that affect cost. Whether your roof needs a light clean or a full deep wash with treatment, this blog will help you plan your budget. 

Let’s take a closer look at what goes into the price.

What Does Moss Removal from Roof Cost in Ireland?

The cost of moss cleaning from roofs in Ireland usually falls between €200 and €900, depending on how large and complex the roof is. If your roof is particularly big or has heavy moss buildup, the price may be at the higher end of that range. 

More work is required for thick or widespread moss, which can affect the total cost. For smaller or simpler jobs, the cost will likely be lower. 

On average, expect to pay around €7 to €15 per square metre. These rates can vary slightly by region and service provider.

What Influences the Cost of Roof Moss Cleaning?

Several factors affect how much you'll pay to remove moss from your roof. Understanding these can help you estimate the likely costs before requesting a quote.

Roof Size

The bigger the roof, the more time, labour, and materials are needed to clean it thoroughly. Larger surfaces naturally take longer to treat and require more cleaning solution. This will raise the overall cost compared to smaller, more compact roofs. It’s one of the main price drivers for moss removal jobs.

Moss Severity

The thickness and spread of moss directly affect the effort and method used. Heavier moss growth may need deeper cleaning or multiple treatments. This adds to the time spent and increases labour and material costs. A light moss layer will be quicker and cheaper to deal with.

Cleaning Method

Different cleaning approaches come at different price points. Manual brushing might cost less but takes more time, while pressure washing or chemical treatments can be faster but pricier. The method chosen often depends on roof type, moss severity, and client preference. All of this shapes the final bill.

Biocide Treatment

A biocide treatment helps prevent moss from coming back too quickly. Though it adds to the immediate cost, it can delay future cleanings. This makes it a cost-effective option in the long run. It’s commonly recommended after deep cleans for long-lasting results.

Roof Accessibility

Roofs that are steep, high, or hard to reach take more effort to clean. Workers might need extra safety gear or specialist equipment. This increases both time on-site and overall cost. Easy access can make the job quicker and cheaper.

Additional Services

Some providers offer extras like stain removal, protective coatings, or a post-cleaning inspection. These are optional but can boost long-term results. However, they’ll also add to your final invoice. They’re worth considering when comparing the cost of moss cleaning from roof in Ireland.

Why You Shouldn’t Ignore Moss on Your Roof?

Moss may appear harmless at first, but it can lead to costly and long-term damage. Tackling it early not only protects your roof but helps reduce the cost of moss cleaning from roof in Ireland over time.

Structural Damage

Moss traps moisture, which slowly seeps into roofing materials and weakens them. Over time, this can cause rot, wood decay, or even warping. Neglecting it may lead to major repair work.

Shingle Damage

Moss roots can grow underneath shingles or tiles and lift them up. This weakens their hold and increases the risk of leaks or wind damage. Shingle separation also reduces the roof’s lifespan.

Blocked Drainage

A heavy moss layer can clog gutters and downpipes, causing water to overflow. This build-up can damage fascia boards, walls, and even the foundation. Clearing moss ensures rainwater flows freely.

Energy Efficiency

Moss acts as an insulating layer—but not in a good way. It traps moisture and blocks sunlight, disrupting your roof’s thermal balance. This leads to higher heating and cooling bills.

Health Concerns

Moss often grows alongside mould and mildew, which release spores into the air. If these enter your home, they can trigger allergies or respiratory issues. Removing moss improves indoor air quality and safety.

Conclusion

The cost of moss cleaning from roof in Ireland can vary depending on roof size, moss severity, cleaning method, and additional treatments. While prices typically range from €200 to €900, understanding the factors that influence the cost can help you plan and budget effectively. Regular moss removal not only protects your roof but also improves energy efficiency and prevents health risks.

If you want professional, reliable moss cleaning customised to your property, contact Perfect Clean today. Our team is ready to provide a thorough, affordable service that keeps your roof in top condition.

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Frequently Asked Questions

What is the average cost of moss cleaning from a roof in Ireland?

Professional moss removal typically costs between €200 and €900 for a standard domestic roof. Prices vary based on roof size, accessibility, material, and moss extent.

How much does moss removal cost per square metre?

Standard rates generally fall between €7 and €15 per m², depending on roof complexity and cleaning method. Highly soiled roofs might require chemical treatment at the higher end.

Which factors influence the total moss cleaning cost?

Key drivers include roof size, moss severity, roof material, method used (e.g. soft wash, manual scraping), and the need for safety equipment on inaccessible or steep roofs.

Is soft washing more expensive than pressure washing?

Yes. Soft washing uses gentle cleaning solutions and is safer for delicate roofs, but it requires more expertise and time, so it typically costs more. Pressure washing is cheaper but poses tile damage risk.

How can Perfect Clean help estimate the cost accurately?

Our team conducts a complimentary survey to assess roof size, moss spread, and accessibility. We then provide a customised quote that reflects the full scope of your cleaning needs.

Does Perfect Clean offer long-term protection plans?

Yes. We offer biocide treatments and optional roof sealing to prevent regrowth and extend roof lifespan—saving you money on repeat cleans.

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*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.