Does Mould in Properties Have A Smell?

Discover the tell-tale signs of mould in your property, including its distinct smell, and how a professional mould cleaning service can help protect your home.
Does Mould in Properties Have A Smell?

Have you ever wondered, does mould in properties have a smell? The answer is a resounding yes.


Mould releases a distinctive pungent odor, often described as damp, earthy, or stale. This distinct smell arises from the emission of microbial volatile organic compounds (MVOCs) as mould consumes organic materials like wood, drywall, and fabrics.


Recognising this olfactory warning sign is crucial for property owners and tenants alike.


Swiftly addressing suspected mould issues is imperative, as inhaling mould spores can lead to allergies, respiratory problems, and various health issues.


Moreover, mould has the potential to rapidly spread and inflict structural damage upon your property.


In this blog, we delve into the nuances of mould-related odors, their implications, and the imperative need for timely intervention.


Key Takeaways:


  • Mould in properties emits a distinct musty odour caused by microbial volatile organic compounds.
  • Addressing mould issues promptly is essential to prevent health problems and property damage.
  • Contacting a professional mould cleaning service such as Mould Removal London can ensure effective removal and prevention of future mould growth.


Statistics on Mould Smell in UK Properties


A study conducted by the Building Research Establishment (BRE) in the UK found that over 40% of homes surveyed had a detectable mould smell. The study also found that the presence of a mould smell was associated with an increased risk of respiratory problems, including asthma and allergies.


According to a survey conducted by the National Landlords Association (NLA) in the UK, 75% of tenant complaints related to property issues include concerns about odours. Mould-related smells ranked high among these complaints, emphasising the significance of addressing mould problems promptly.


Signs of Mould in a Rental Property


As a tenant or landlord, it is important to be aware of the signs of mould in a rental property to ensure the health and safety of occupants. Mould can grow in any damp or humid environment, and if left untreated, it can become a serious health hazard.


Here are some common signs of mould in a rental property:


Signs Description
Visible spots or patches Mould often appears as black, brown, green or white spots or patches on walls, ceilings, floors, and other surfaces. It can also take on a fuzzy or slimy appearance.
Unpleasant odours Mould emits a musty, earthy, or damp smell that is often unpleasant and distinct from other household odours.
Water damage Mould thrives in moist environments, so any visible water damage, such as leaks, stains, or watermarks can be an indication of mould growth.
Health symptoms Mould exposure can cause a range of health symptoms, including allergies, respiratory problems, headaches, and fatigue. If occupants experience these symptoms more frequently at home, it could be a sign of mould infestation.


If you notice any of these signs in your rental property, it is crucial to act quickly to prevent further growth and potential health risks.


Regular maintenance and inspection of the property can help identify and address mould issues before they become severe. Landlords should also ensure that there is proper ventilation and moisture control in the property, while tenants should report any signs of mould to their landlord or property manager as soon as possible.


The Distinct Smell of Mould


If you have ever experienced the distinctive musty odour associated with mould, you will know how unpleasant it can be. This odour is caused by volatile organic compounds (VOCs) released by mould as it grows and spreads.


The smell of mould can vary depending on the species of mould present and the materials it is growing on. However, the odour is usually described as earthy, damp, or musty.


If you detect a musty odour in your property, it is important to investigate the source of the smell and identify any mould growth. Early detection and swift action can prevent further mould growth and damage to your property.


Health Risks of Mould


Exposure to mould can have significant health consequences, particularly for vulnerable individuals such as children, the elderly, and those with respiratory conditions. Mould spores can cause allergic reactions, trigger asthma attacks, and even lead to fungal infections in some cases. Inhaling mould spores can also irritate the eyes, nose, throat, and lungs.


Long-term exposure to mould can result in more serious health issues, including chronic respiratory disease and neurological problems. The health risks associated with mould exposure make it essential to address any mould issues promptly and effectively.


Mould Prevention Tips


Mould growth in properties can be prevented through simple maintenance practices.


Control Moisture Levels – Mould thrives in moist environments, making it important to keep moisture levels low. Ensure proper ventilation in your property, especially in high-moisture areas like the bathroom and kitchen.


Inspect for Leaks – Regularly inspect your property for leaks and address them promptly. Even minor leaks can create a moist environment that fosters mould growth.


Clean Regularly – Cleaning your property regularly helps prevent mould growth by removing potential food sources for mould, such as dirt and dust. Focus on high-moisture areas, such as the bathroom and kitchen, and use a mould-inhibiting cleaner.


Keep Humidity Levels Low – High humidity levels can lead to increased moisture levels in your property. Use a dehumidifier to keep humidity levels below 60%.


Properly Store Items – When storing items in your property, ensure they are stored in dry, well-ventilated areas. Avoid storing items in damp, enclosed spaces like basements or garages.


Regular Inspections – Regularly inspect your property for signs of mould growth. Check for discolouration, musty odours, and dampness. Address any issues promptly to prevent further mould growth.


By following these mould prevention tips, you can help ensure a mould-free property. However, if you do notice signs of mould growth, it is important to address the issue promptly by contacting a professional mould cleaning service like Mould Removal London.


Importance of Professional Mould Removal


If you have noticed signs of mould in your property, it is crucial to address the issue promptly. While it may be tempting to attempt mould removal yourself, it is highly recommended to hire a professional mould cleaning service, such as Mould Removal London.


Professional mould removal services have the expertise, tools, and techniques to safely and effectively remove mould from your property. They can also identify the source of the mould growth and provide recommendations on preventing future infestations.


What to Expect from Professional Mould Cleaning Service


When you hire a professional mould cleaning service, you can expect:


  • Thorough and effective mould removal
  • Expertise in identifying and addressing the source of the mould growth
  • Use of high-quality and safe cleaning products
  • Compliance with industry standards and regulations
  • Peace of mind knowing your property is free from mould and the associated health risks


Mould Removal London is dewpoint accredited and a member of the UK Association of Mould Experts, ensuring the highest standards of service and professionalism.


Don’t put your health and property at risk by attempting mould removal yourself. Contact Mould Removal London for a professional and effective mould cleaning service.


Why Get Help From Professional Mould Removal


If you have identified a mould infestation in your property, you might be tempted to tackle the problem yourself. However, attempting mould removal without the proper expertise and equipment can lead to further issues and health risks.


Professional mould cleaning services, such as Mould Removal London, have the training and experience to safely and effectively remove mould from your property. They use advanced techniques and equipment, including HEPA vacuums and air filtration devices, to ensure the complete removal of all mould spores and prevent future growth.

Treating Mould Infestation


The process of treating mould infestation involves several steps, including:


Step Description
Assessment The mould cleaning service will assess the extent of the infestation and identify the type of mould present, which will determine the appropriate remediation method.
Containment The affected area will be contained to prevent the spread of mould spores to other parts of the property.
Removal The mould will be physically removed from surfaces using specialised equipment and cleaning solutions.
Cleaning The affected area will be thoroughly cleaned to remove any remaining mould spores.
Drying The area will be dried using dehumidifiers to prevent future mould growth.
Prevention The mould cleaning service will provide advice on preventing future mould growth by controlling moisture levels and improving ventilation.

Professional mould specialists follow strict industry standards and guidelines to ensure the safe and effective removal of mould from your property.


Mould Cleaning Service Benefits


By hiring a professional mould cleaning service like Mould Removal London, you can benefit from:


Accreditation Mould Removal London holds a dewpoint accreditation, which establishes them as an expert in moisture control and mould removal.
Membership in the UK Association of Mould Experts Mould Removal London is a proud member of the UK Association of Mould Experts, which is committed to setting high standards for the mould inspection and removal industry.
Expertise Professional mould cleaning services have extensive knowledge of the various types of mould and the health risks associated with exposure. They know how to locate and identify mould in your property, even if it’s hidden in hard-to-reach areas.
Thoroughness Professional mould cleaning services use specialised equipment and techniques to ensure that all mould is completely removed from your property. They also address the underlying moisture issue to prevent mould from returning in the future.
Peace of Mind By hiring a professional mould cleaning service, you can rest assured that your property is safe and healthy for you and your family. You can trust that the job will be done right the first time, without any risk of harm to yourself or your property.


Don’t take chances with mould in your property. Contact Mould Removal London today to schedule a professional mould cleaning service and ensure the safety and health of your property and your loved ones.


Maintaining a Mould-Free Property


To prevent mould growth in your property, a few simple maintenance practices go a long way. First, perform regular inspections of your property, looking for signs of moisture and water damage. If any issues are found, address them promptly by fixing leaks and repairing damage.


Proper ventilation is another important factor in preventing mould growth. Ensure that bathrooms, kitchens, and other areas with high moisture levels have adequate airflow by using fans and opening windows where possible.


Controlling humidity levels is also crucial for maintaining a mould-free property. Use dehumidifiers in areas with high humidity levels, such as basements or laundry rooms. Keep indoor humidity levels between 30% to 50% to reduce the risk of mould growth.


Additionally, keep your property clean and dry, particularly in areas prone to moisture, such as bathrooms and kitchens. Use mould-resistant paints and sealants in these areas to prevent the growth of mould and mildew.


Following these simple tips can help you maintain a mould-free property and avoid the potential health risks associated with mould exposure.




As a property owner or tenant, it is important to take mould issues seriously. Ignoring mould growth can lead to serious health risks and property damage.


While there are DIY mould removal methods available, it is recommended to hire a professional mould cleaning service such as Mould Removal London. Their dewpoint accreditation and membership in the UK Association of Mould Experts demonstrate their expertise in the field.


To maintain a mould-free property, regular inspections, proper ventilation, and moisture control are necessary. By following simple mould prevention tips and investing in professional mould cleaning services when necessary, you can ensure a healthy and safe living environment for yourself and your tenants.




Q: Does Mould in Properties Have A Smell?


A: Yes, mould in properties often emits a musty and earthy odor.


Q: What are the Signs of Mould in a Rental Property?


A: Look for visible patches of mould, discoloured walls or ceilings, persistent dampness, and an unpleasant, lingering smell.


Q: What’s the Distinct Smell of Mould?


A: Mould is commonly associated with a musty, damp, or earthy smell, indicative of its presence in the property.


Q: What Are the Health Risks of Mould?


A: Exposure to mould can lead to respiratory issues, allergies, skin irritation, and in some cases, more severe health complications.


Q: What’s The Importance of Professional Mould Removal?


A: Professional mould removal ensures thorough eradication, preventing recurrence and minimising health risks associated with mould exposure.


Q: How Do You Treat Mould Infestation?


A: Treat mould by identifying and eliminating the source of moisture, cleaning affected areas with mould-specific solutions, and repairing any water damage promptly.


Q: How To Maintain a Mould-Free Property?


A: Maintain a mould-free property by controlling humidity levels, promptly repairing leaks, ensuring proper ventilation, and conducting regular inspections for early detection and prevention. You can get in touch with mould removal services for tenants and landlords to help you in your mould problems.



If you’ve noticed a musty or earthy smell in your property, or if you’ve seen visible signs of mould growth, it’s important to act quickly.


While it may be tempting to try to remove mould yourself, this is not recommended. Mould spores can easily spread throughout your property, making the problem worse.


The best course of action is to call a professional mould remediation company.


Call us today at 0203 130 4068 to schedule a mould inspection.





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