Summer Patio & Decking Care for Hove & Chichester Homes

Summer Patio & Decking Care for Hove & Chichester Homes

by adam

There’s a window every year, usually somewhere between late March and May, when the weather improves just enough that you start looking at the garden again. And for a lot of homeowners in Hove, Chichester, and along the coast, what they find when they actually go outside and look at their patio or decking closely isn’t particularly encouraging.

A winter’s worth of rain, low light, and damp conditions takes a toll on garden hard landscaping. What looked acceptable when you stopped using the garden in autumn can look fairly grim come spring — green, slippery, and not at all like somewhere you’d choose to spend a summer evening.

This post covers what’s happening to your patio and decking over winter, what to realistically expect from cleaning it, and whether it’s worth doing yourself or calling someone in.

 

Why Patios and Decking Deteriorate Over Winter

It’s not just neglect. The conditions of a British coastal winter actively encourage biological growth and surface deterioration on outdoor hard landscaping.

Low temperatures, frequent rain, and limited sunlight create the perfect conditions for algae and moss to colonise outdoor surfaces. Sussex winters are mild enough that growth doesn’t completely die back — it just slows, then accelerates again as soon as the temperature and light levels pick up in late February and March.

On decking, the main concern is algae and moss on the timber surface. Wet timber with biological growth is slippery underfoot — genuinely hazardous — and if the growth is established and the timber has been allowed to take on significant moisture over winter, there’s also a risk of wood rot setting in if the surface hasn’t been properly treated.

On stone patios — Indian sandstone, natural slate, reconstituted stone — the porosity of the material means that moisture, algae spores, and organic debris work their way into the surface over winter. Indian sandstone is particularly prone to a green/black film of algae and biological matter that makes it look dramatically worse than it actually is.

On porcelain and ceramic paving, the surface itself is less porous, but the grout joints are where biological growth takes hold — and dark, stained grout lines can make an otherwise presentable patio look neglected.

On block paving (common in front driveways but also in garden settings), sand joints between blocks can become dislodged over winter, and the surface develops the same moss and algae issues as other materials.

 

The Slippery Decking Problem

This one deserves special attention because it’s genuinely dangerous, and it’s something a lot of homeowners in Brighton and Hove underestimate.

Timber decking with even a light coating of algae is remarkably slippery when wet. On a flat, sunny day it might feel fine — but after rain, in the morning dew, or when any moisture is present, it becomes a slip hazard. For elderly family members, young children, or pets, a slippery deck can cause a serious injury.

The solution isn’t just cleaning. Cleaning the deck removes the existing growth, but without treatment, it returns. The proper approach is to clean the deck, allow it to dry, and then apply either a fungicidal wood treatment or, in some cases, a non-slip coating. The specific treatment depends on the timber type and the condition of any existing stain or oil finish.

If your deck has been neglected for more than a couple of seasons, it may also need sanding back before it’s treated — accumulated biological matter and weathered wood can’t be properly treated without preparation. This is work that PPC Window Cleaning can assess and advise on.

 

Choosing the Right Cleaning Approach for Your Surface

Different materials need different approaches. Getting this wrong — either by using inappropriate chemicals or the wrong pressure — can cause damage that’s expensive to put right.

Indian sandstone is porous and easily stained. Certain cleaning chemicals will cause bleaching or discolouration. High-pressure water jets can break down the surface of softer sandstone. The right approach is typically a lower-pressure wash with an appropriate stone cleaning product, followed by a biocide treatment.

Porcelain and ceramic is harder and more forgiving, but the grout joints need specific attention. High-pressure cleaning can help with joint cleaning but needs to be done carefully to avoid undermining the grout.

Timber decking — pine, hardwood, composite — each behaves differently. Natural softwood like pine is more prone to moisture absorption and algae. Hardwoods like ipe or teak are more durable but still need cleaning and re-oiling. Composite decking is lower maintenance but still develops algae and needs periodic cleaning.

Concrete paving is generally robust and can tolerate more aggressive cleaning, but discolouration from algae and pollution can be stubborn. Post-cleaning sealing can help prevent rapid recurrence.

 

Can You Do It Yourself?

The honest answer is: it depends. For a small, accessible patio with light surface growth, a retail patio cleaner, some elbow grease, and a reasonable garden hose can get a passable result.

But for anything more than light soiling — and for timber decking in particular — the DIY results are often disappointing. Retail cleaning products are significantly weaker than professional-grade treatments, and without the right equipment, you’re often just rearranging the dirt rather than removing it.

There’s also the question of what happens after cleaning. Without biocide treatment, most patios and decking surfaces will be showing regrowth within a couple of months. Professional cleaning includes post-treatment as a matter of course; most DIY jobs don’t.

If you want a patio or deck that looks genuinely good and stays that way for a meaningful length of time, professional cleaning is the more cost-effective option over the medium term.

 

Timing Your Patio Clean

Spring — March to May — is the ideal window for a patio or decking clean. The worst of the winter growth is there to be dealt with, and cleaning before the main outdoor entertaining season means you get to enjoy the results when it counts.

Autumn is a useful secondary window, particularly for decking, where removing biological matter before the winter months reduces the amount of growth that gets established during the damp period.

Avoid having a professional clean done when overnight frost is forecast, as this affects how chemical treatments cure and dry.

 

Getting a Quote

PPC Window Cleaning covers patio cleaning, driveway cleaning, and decking treatment across Brighton, Hove, Chichester, Bognor Regis, and Littlehampton. Spring is a busy time, so if you want your garden looking its best before the better weather arrives, it’s worth booking early.

Call 0800 677 1718 or visit ppcwindowcleaners.uk to get in touch.