Twelve Months of Rain: What Each British Season Does to Your Guttering

We've been cleaning gutters across the country long enough to tell you what month it is just by what we pull out of them. Moss in March, tennis balls in July, a small forest in November. The British weather works your guttering all year round — it just changes tactics with the seasons.

So let's walk through the year, season by season, and look at what the weather is doing to your gutters while you're getting on with life. By the end, you'll have a rough maintenance calendar that could save you a very unpleasant surprise further down the line.

Spring: The Thaw Reveals the Damage

Spring is when last winter's sins come home to roost. Frost gets into tiny cracks in joints and seals, freezing and expanding until what was hairline becomes obvious. When the thaw comes, those joints start weeping.

Spring also brings the first proper downpours of the year — and there's nothing like an April shower to show you exactly where a gutter is failing. Water cascading over the front of the gutter rather than down the downpipe is a classic sign of a blockage or a sagging section that winter shifted.

Spring jobs: a proper clear-out after winter, checking joints for cracks, and re-securing any brackets that frost or wind has loosened. Sort it now and you head into summer with a clean bill of health.

Summer: The Quiet Season With a Sting in Its Tail

Summer feels like the time to forget about gutters entirely — and honestly, it's the easiest season on your guttering. But dry spells have two sneaky consequences.

First, dry weather is when debris bakes hard in the gutter. Moss, grit from roof tiles and bird droppings set into a solid crust that's far tougher to shift come autumn. A summer clean is quick and easy; the same job in November is a muddy slog.

Second, summer thunderstorms. British summers increasingly deliver short, violent cloudbursts that dump weeks' worth of rain in an hour. A gutter that copes fine with drizzle can be utterly overwhelmed by that. If water has ever come off your gutter in a storm like that, it's telling you it needs attention.

Summer jobs: one light clean in early summer, and use the dry weather for a visual inspection from the ground — anything sagging, leaking or growing something green needs a note in the diary.

Autumn: Peak Season for a Reason

Autumn is our busiest time of year, and it's not hard to see why. From late September, trees shed their leaves and the wind does the rest, delivering them straight into your gutters. Sycamore, willow and plane trees are the worst offenders — their leaves break down into a mulch that compacts into a solid plug.

And it's not just leaves. Helicopters, seeds, twigs and moss washed off the roof all combine into the perfect blockage. Once that lot gets wet, it's like concrete.

The real danger is the timing: a blocked gutter in October is a nuisance, but the same blockage in December becomes frozen, expands, and can crack joints or force water into the roofline. Autumn is when problems are cheap to fix; winter is when they're not.

Autumn jobs: a thorough clean in late October or early November, once most leaves are down but before the first hard frost. Clear the downpipe outlets too — a blockage at the shoe sends water straight at your foundations.

Winter: Frost, Snow and Frozen Silence

Winter doesn't create many blockages — but it weaponises the ones that already exist. Water sitting in a blocked gutter freezes, expands, and puts pressure on joints and brackets from every direction. Snow adds serious weight: a gutter already full of wet leaves and snow can sag or pull away from the fascia entirely.

Then there's the freeze-thaw cycle, the single most damaging weather phenomenon for British guttering. Water finds its way into the tiniest gap, freezes overnight, expands, and widens the gap. Repeat a few dozen times between November and February and you've got a leak.

Winter's other hazard is ice on the ground — which is exactly why we'd rather you didn't climb a ladder in January. If something goes wrong mid-winter, get it looked at professionally. It's not a season for heroics.

Winter jobs: keep an eye out for icicles (a sign of standing water), watch for drips during thaws, and leave the ladder alone until spring.

Your Simple Seasonal Gutter Calendar

If you only remember one thing, make it this rhythm:

• Spring (March–May): Post-winter inspection and clear-out. Fix what frost broke.
• Summer (June–August): One light clean and a ground-level check while the weather's kind.
• Autumn (September–November): The big clean. Late October is the sweet spot for most homes.
• Winter (December–February): Watch, don't climb. Note any problems for spring.

Homes with big trees nearby should lean harder on autumn — sometimes two cleans are worth it. Properties near the coast need to watch salt corrosion year-round. And if you're surrounded by mature sycamores, you already know your calendar looks different from your neighbour's.

Weather Proofing Your Wallet

A gutter clean costs a fraction of what water damage costs. We've seen damp spread through plasterwork, rot eat into roof timbers and foundations undermined — all traced back to a blockage that a couple of hours' work would have cleared.

The British weather isn't going to ease up. Four seasons of rain, frost and wind in a single bank holiday weekend is practically a national tradition. But your gutters can be ready for it — and if you'd rather not think about it at all, that's rather our speciality. Get in touch and we'll keep the calendar for you.