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Gutter repair and replacement in Windsor, Berkshire and South West London: leaking joints, sagging runs and broken brackets fixed, or new uPVC guttering fitted to the right fall. Book a free inspection and you get photos of your gutters and a fixed written quote.
Most gutter problems on homes in Windsor and Berkshire come down to three things, and each one sends water down your walls instead of into the drain:
Old cast iron and early plastic gutters add two more: cracking and brittleness. Cast iron rusts through at the joints and the back of the gutter. Old plastic goes brittle in the sun and cracks when it is knocked or frozen.
You see it as drips from the joints in rain, streaks down the brickwork, a run that visibly dips, or a puddle at the foot of the wall where the water should be going down a pipe.
Whether it is one joint or a whole new run, the job is to get every drop from the roof into the drain.
We check joints, brackets, falls, outlets and downpipes along the whole run, and photograph what we find.
Sagging sections lifted and refixed on new brackets, set to the correct fall so water runs to the outlet.
Failed joints resealed or replaced. Where the gutter itself is brittle or cracked, new uPVC goes in.
Downpipes refixed, repaired or replaced and checked through to the gully, so the water leaves the building.
When a gutter is past repair, we replace it in uPVC. It does not rust, does not need painting and comes in black, brown, white or anthracite to match your house.
Size matters more than most people think. A bigger roof sheds more water, and an undersized gutter overflows in a heavy downpour however clean it is. We size the new gutter to the roof area it serves, choosing a deeper profile where a large slope drains into one run, and add an outlet or a downpipe where one is not enough.
New gutters go on new brackets, spaced and fixed securely to a sound fascia, with the fall set so water reaches the outlet. If the fascia board behind is rotten, there is no point fixing new gutters to it, and we will quote a new uPVC fascia at the same time. When a roof is being replaced, renewing the gutters in the same visit makes sense: the access is already up and the whole system works together from day one.
Our roof repair cost guide puts a fascia or gutter repair at £100 to £350 for 2026. That covers resealing failed joints, replacing broken brackets and refixing a sagging run to the right fall.
A repair is the right call when the gutter itself is sound and only a joint, a bracket or one section has failed. Replacement makes more sense when joints are leaking all along the run, the gutter is brittle or cracking, it is cast iron that has rusted through, or it is too small for the roof. New guttering is priced on the length of the runs, the number of downpipes and the access, in a fixed written quote.
If the gutters are simply full of moss and leaves, they need clearing, not replacing. See our gutter cleaning page. We tell you honestly which one you need, with photos.
Rather than patch tired rainwater goods under a brand new roof, this New Malden homeowner had the guttering renewed at the same time, so the house is weathertight from ridge to downpipe. Our own team, one set of access, every photo from the job.
Tell us where the water is coming over or dripping through and we will book a free inspection and give you a fixed written quote. Prefer to talk first? Call us any time.
Tell us about the job, we usually reply within the hour.
Prefer to talk? Speak to Cornelius on 01753 330566 or
Expert Roofer Verified member“Seal Pro Roofing did a superb job on our roof replacement. They were punctual, tidy and kept us informed throughout. The workmanship was excellent and the price was fair. Very impressed with their customer service and would happily use them again in future.”
“Seal Pro Roofing delivered a great service. The team were knowledgeable and worked carefully to ensure everything was done properly. The roof looks solid and well finished. Very happy with the professionalism shown.”
Gutters cleared of moss, leaves and silt by hand, with the downpipes checked to the ground.
Gutter Cleaning →
Leaks traced to the real entry point and fixed at the source, with photos of the fault.
Leaking Roof Repair →Free written quotes. 24hr emergency callout. A local team rated 5.0 by 150+ homeowners on Bark.