Private
Project Location: The banks of the New River
Client: Private
Black mould can cause serious health issues, including allergic reactions and respiratory problems, and should never be ignored. At Renlon, our specialists provide professional mould removal services that go beyond surface cleaning.
We safely eliminate existing mould growth and carry out a thorough assessment to identify the underlying moisture source that allowed it to develop. This may include issues such as condensation, inadequate ventilation, damp penetration, or hidden water ingress.
Using proven treatment methods and low-toxicity solutions where possible, we ensure affected areas are properly treated and protected. Just as importantly, we recommend and implement measures to reduce the risk of mould returning, helping restore healthier internal environments and protect the long-term condition of the building.
Black mould is a fungus (Stachybotrys chartarum) that thrives in damp, poorly ventilated areas with high humidity or condensation. It commonly appears in bathrooms, kitchens, and areas affected by leaks.
Mould spores can spread through the air, colonising new areas and potentially triggering asthma, allergies, and other health concerns. Identifying the central position of a black mould outbreak and its moisture source is the first step toward effective treatment.
At Renlon, we’re constantly developing better solutions for our clients and the properties that we work on. Our innovation has led to the creation of proprietary products that offer significant advantages over traditional methods.
RenStrength is our revolutionary waterproofing system that eliminates the need to remove existing renders. This breakthrough technology applies directly over failed waterproofing systems, significantly reducing project timelines and disruption.
We are also excited to introduce RenTherme…
Our treatment goes beyond simply cleaning visible mould. We identify and address the underlying causes, whether poor ventilation, condensation, or hidden leaks.
Our specialists safely remove mould from affected areas, including sensitive surfaces like drywall, and implement strategies to control humidity and improve ventilation, preventing future outbreaks.

Project Location: The banks of the New River
Client: Private

Project Location: Corbridge Crescent
Client: Trac Construction / HG Construction

Project Location: Clerkenwell, EC1
Client: Victorian Grade II listed building
Here are some common questions about black mould treatment. Please contact us if you need specific advice for your situation.
Contact UsWhile small patches might be manageable, exercise caution with larger infestations. Professional removal is the best way to ensure mould spores don't spread during cleaning.
We have access to a wide range of specialised treatments and can identify hidden mould behind surfaces. If you have allergies or respiratory issues, DIY removal is not a good idea.
Without addressing the underlying moisture problem, mould can return within days.
Our comprehensive approach tackles both the visible mould and its cause, significantly reducing the chance of recurrence.
Yes, ventilation is key to preventing mould growth. Simple measures like using extractor fans and keeping windows open when possible can significantly reduce humidity.