Exterior Cleaning Tips & Advice

Welcome to the Crown Clean London blog. Here you’ll find practical advice, cleaning tips and helpful guides for keeping the outside of your property cleaner, safer and better maintained.

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Professional cleaning of natural stone paving at a London property

Natural Stone Cleaning: How to Clean Outdoor Stone Without Damaging It

Natural stone needs the right cleaning method. Learn how to clean outdoor sandstone, limestone and other stone surfaces while avoiding excessive pressure, unsuitable chemicals and common mistakes.

Why Does My Patio Turn Green After Rain?

Green patches often appear where patio slabs stay damp and shaded. Learn why the build-up returns, how to maintain the surface and when a deeper clean may help.

Gutters Overflowing in Heavy Rain? What to Check First

Overflowing gutters can be caused by leaves, moss, a blocked downpipe or a damaged section. Learn what to check safely from the ground and when to arrange a gutter clean.
Professional cleaning of weathered exterior brickwork at a London property

Brick Cleaning in London: Pressure Washing, Steam Cleaning or a Gentler Method?

Pressure washing is not automatically the right way to clean brickwork. Learn how brick type, mortar, age and staining affect the safest cleaning method for London properties.
Professional cleaning of composite decking at a London home

How to Clean Composite Decking Without Damaging It

Composite decking is low maintenance, but it still needs cleaning. Learn how to remove dirt, algae and stains safely without damaging the boards or using the wrong pressure.
Professional   at a residential property in London

How Often Should You Book a Local Window Cleaner in London?

How often should windows be cleaned? Discover how traffic, weather, trees, property location and window access affect the ideal cleaning frequency for London homes.