General
How to Prepare Your Property for Rainy Season Flooding in Lagos

What is rainy season flooding?
Rainy season flooding occurs when heavy rainfall overwhelms drainage systems, causing water to accumulate in streets and properties. In Lagos, this is common during the long rainy season from April to October. With limited drainage infrastructure, many areas face significant flooding risks, which can damage homes and impact businesses. Why does it matter in Nigeria? In Nigeria, flooding can have dire consequences. The cost of repairs can be overwhelming for many families and businesses. According to Nigeria's National Emergency Management Agency (NEMA), flooding has caused billions in damage across the country. In Lagos, flash floods often lead to traffic disruptions, damaged homes, and loss of property. Understanding how to prepare can help you mitigate these risks and protect your assets. How does flooding occur? Flooding happens when rain falls faster than the ground can absorb it or when drains cannot carry the water away quickly enough. In Lagos, urbanisation has increased the volume of rainwater runoff due to the loss of green spaces. Local rivers and creeks can overflow, leading to widespread flooding in affected areas. Furthermore, blocked drains and improper waste disposal can worsen the situation, trapping water in residential zones. What to watch out for As the rainy season approaches, keep an eye on the following factors:
- Weather forecasts: Stay informed about predicted rainfall levels and potential flooding warnings from the Nigerian Meteorological Agency (NiMet).
- Drainage systems: Be aware of the condition of gutters and drains around your property. Clogging can impede water flow.
- Local terrain: Understand how rainwater flows in your area. Low-lying regions are particularly vulnerable to flooding.
- Community responses: Pay attention to local government initiatives aimed at flood prevention, such as drain clearing or river monitoring. These actions can affect your property’s safety.
What to do next
Preparation is key to minimising flood damage. Here are practical steps you can take:
- Inspect your property: Check for vulnerabilities. Look for cracks in the foundation, gaps in windows or doors, and poor drainage around the home.
- Clear drains and gutters: Regularly remove debris from gutters and ensure drainage paths are unblocked. This will help direct water away from your property.
- Install flood barriers: Consider installing removable flood barriers or sandbags at entry points. These can prevent water from entering your home during heavy rains.
- Elevate utilities: Raise electrical systems, water heaters, and appliances above potential flood levels to avoid costly repairs.
- Create an emergency plan: Have a plan in place for family members and pets. Know where to go in case of severe flooding and keep necessary supplies handy.
- Purchase flood insurance: Check with your insurer about flood insurance, which can help cover losses from water damage. In Nigeria, policies may cover both residential and commercial properties.
- Engage professionals: For extensive waterproofing or drainage issues, consult with experts. Julimer Advisory offers services that assess and improve the safety of your property.
Conclusion
As the rainy season approaches in Lagos, preparing your property for flooding is vital. By taking proactive steps now, you can protect your investment and reduce the potential for loss during heavy rains. At Julimer Advisory, we provide risk assessments and practical solutions tailored to help you safeguard your property. Reach out to us to learn more about how we can support you in preparing for the rainy season.
Work with us
Need an independent survey, fire safety assessment or claims support? The Julimer Advisory team is ready to help.
Contact us