How to Clean Mould and Mildew From Walls?

a man in blue uniform, wearing a face mask scrubbing mould on walls

How to Clean Mould and Mildew From Walls?

By : Mikaela Perrin

Mould and mildew on interior walls don’t just look nasty, but it can also lead to harmful health conditions especially those who have already predisposed to allergies and asthma. Regardless of the size and amount of mould, it could always be challenging to get rid of them without the professional assistance.

The eradication of mould and mildew from walls become even more crucial when you are preparing your rental premises for the final inspection. You could lose your deposited security/ bond money if the landlord finds the mould on the walls.

Therefore, it is always recommended to hire end of lease cleaning experts in Gold Coast to handle this complicated job. They can remove built-up grease, mould and mildew from walls and other surfaces from your leased property without giving you a hint of stress.

The best part about professional cleaners is that they have the best tricks and equipment to treat the nasty spots, grease and mould in a matter of a few minutes. So, look for the best bond cleaning company in Gold Coast that can give you the best quality of service with a complete cleaning satisfaction.

If you don’t have time and money to opt for professionals, you can also do it yourself with the help of the following tips and tricks. Read on for simple yet useful tips on how to clean mould and mildew from walls. But before this, let’s dig deeper and understand how mould occurs on walls.

Let’s get started!

What is mould and how they grow on walls?

Mould and mildew is a fungal growth that develops from airborne spores. It usually occurs on wet materials or in warm conditions without much flow of air. That’s the main reason why bathrooms walls and loft spaces often witness the nasty mould and mildew.

However, it is caused by the humid condition, but sometimes it can occur on walls due to moisture, both inside and outside of the house. The worst part about mould is that they overgrow and form into new mould colonies where they are developed.

They can also cause some severe allergic reactions and respiratory problems if left untreated. To get rid of them, you can consider the mould removal tips below and clean your walls like a pro:

1. Prepare yourself

Most of the people in the Gold Coast find it challenging to remove black spots and mould from their walls. Of course, it is difficult, but you can do this with the right tricks and cleaning products. You can use the natural mould removal solution to treat them effectively and efficiently.

Make sure you don’t combine the cleaning products with the mould removal spray to get the results quickly. The process will take time, so be patient and wait for the best possible outcomes.

2. Create a natural mould removal solution

Instead of using expensive commercial cleaners or hazardous chemicals, you can prepare the mould removal spray at home. All you need is the following ingredients:

  • 1/3 cup of white vinegar
  • 2-3 tablespoon of Borax
  • 2 ½ cups of hot water


Combine all the ingredients in a bowl. Stir the solution until the borax dissolves. Pour this mixture to an empty spray bottle. This will help you apply to the affected areas with ease.

3. Remove the mould

Once you have prepared your mould removal spray, you can use it to treat your walls. All you need to do is to spray the solution on the mould and mildew area and leave it for 5 minutes. There can be some hard to reach areas in your house infected with mould, use proper equipment like long handle spray and brush to clean them.

After that, you can scrub it thoroughly using a scrubber and wipe down with clean water. Respray it and leave it for 10 minutes. This will give you the best results without any professional help.

4. Advanced Cleaning Solution for Stubborn moulds

If the mould persists, then this solution will work wonders for you. But make sure you don’t use this bleach-based spray on the same day. There are some cleaning products that you shouldn’t mix with bleach; otherwise, it could ruin your wall or make them look worse.

All you need is:

  • ¼ cup of bleach powder
  • Half liter warm water


  • Mix all the ingredients in a spray bottle and apply it on walls.
  • Leave it for some time and then scrub the walls and wipe clean thoroughly.
  • If the mould still persists, re-apply it and let sit for 20 minutes. Spray again and wipe down with a clean damp cloth.
  • Let it dry completely.

This is a fantastic trick used by many highly-trained end of lease cleaning experts in Gold Coast to treat stubborn moulds and mildew on walls, tiles and other surfaces.

Key Tips to prevent mould and mildew

Best tricks and techniques can help you get rid of stubborn mould and mildew from your walls. But it is always good to prevent your walls and other humid areas from these things. You can do the following tips to keep mould and mildew away from your home:

  • Keep your kitchens, bathrooms and other humid spaces ventilated and dry – this is the best way to protect your walls from fungal exposure.
  • Repair leaked piped as soon as possible to prevent moisture seeping into the pores and under floors.
  • Keep the shower curtains and towels dry.
  • If the mould or mildew on walls returns, use the tricks mentioned above and get rid of these nasty and unpleasant spots.

Cleaning mould and mildew from walls become super easy with these tricks. Make sure you thoroughly inspect your property – all the walls, ceilings and other areas before the final inspection by your property manager. If you are suffering from any respiratory problem or allergic condition, then hiring professional and trained bond cleaners in Gold Cost can be an ideal decision. Make sure you opt for an experienced one that can handle the cleaning job with extreme care and responsibility.