Why This Wet Winter Has Left Your Exterior Surfaces Green — And What You Can Do About It
- Benjamin Stribley
- Feb 19
- 2 min read
After months of relentless rain, many homeowners across the area are noticing the same thing: patios, paths, roofs, decking, and walls have turned black or green and slippery. You’re not alone — this winter has created perfect conditions for moss and algae to thrive.
According to the Royal Horticultural Society, algae and similar growths flourish in damp, shaded environments and often build up rapidly after wet winters. RHS Gardening
Common Challenges After a Wet Winter
Slippery surfaces: Algae forms a thin film that becomes hazardous underfoot. RHS Gardening
Moss in paving gaps: Block paving is especially prone to moss because it grows easily in the cavities between pavers. Environment Controls
Unsightly staining: Green patches on stone, concrete, and decking can make outdoor spaces look neglected.
Why Professional Exterior Cleaning Helps
A professional pressure washing or softwashing service can:
Remove moss, algae, and lichen safely
Restore the original colour of your surfaces
Reduce slip risks
Extend the life of patios, decking, and driveways
Softwashing is particularly useful for delicate surfaces, using a low‑pressure application of cleaning solutions to lift organic growth without damage.
A Simple Step‑by‑Step Guide to Get Started
Inspect your exterior surfaces for green patches, black spots or slippery areas.
Clear loose debris like leaves and mud.
Decide between pressure washing or softwashing depending on the surface.
Book a professional exterior cleaning service for a thorough, safe clean.
Schedule regular spring cleaning to prevent future build‑up.
Winter may have left your outdoor spaces looking worse for wear, but with the right exterior cleaning approach, you can restore them quickly and safely. If you’re ready to refresh your patio, roof, driveway, or decking, now is the perfect time to book a professional service and get your home spring‑ready again.
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