Greater London · England
Remedial sealant & repairs in Southfields, Greater London
Remedial sealant across Southfields and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Caulk or the wrong sealant used in a wet area
- Torn expansion joints
- Sealant applied over old sealant that has lifted
About our remedial sealant in Southfields
Not every leak is a sealant leak. A cracked tray, a failed shower valve or a leaking waste can look just the same. If that’s what we find, we will tell you rather than reseal something that will not fix it. We work on failed movement joints, mouldy bath & shower sealant and expansion joints, and common reasons people get in touch are dark patches showing through the sealant and gaps opening along the back of the worktop.
Across London, a large share of homes are flats, conversions or mansion blocks, and many bathrooms sit right above someone else’s ceiling. In Southfields, that’s a good reason to put tired sealant and grout right early.
You are covered for a year from the day we finish. If there’s a problem with it, please call 0345 464 0079 or send us an email.
- Place
- Southfields (SW18, SW19, SW17)
- Region
- Greater London
- Cover
- 12 months on all our work
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
How it works
When we arrive, we start by going over the job with you, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. Most jobs take a few hours for most joints, depending on how much old sealant has to come out. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in Southfields. It helps if you can point us to a visitor permit or a bay close to the door.
- We protect the surfaces around the joint.
- The botched or failed sealant is cut away completely.
- The joint is degreased and checked for movement and leaks.
- New sealant goes in once the joint is dry, and is tooled smooth.
- We give you the cure time and explain what caused the failure.
Preparing for the visit
- Mention any tricky access
- For indoor joints, keep the area dry beforehand if you can
- Tell us if parking is tricky
Get a quote
For a quote, ring 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We will send you a clear quote before any work starts.
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For landlords and businesses
We also work for businesses, from offices to washrooms and kitchens. For commercial premises, we can talk through working times when we quote.
Whether it’s one flat or a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Surface by surface
Leaking trays & enclosures
A shower that leaks after resealing often has a tray that moves or an enclosure sealed on the wrong side. We check both before we reseal.
Over-sealed & botched joints
A botched joint can hide two or three layers of sealant, and silicone residue is cleaned off the tiles too. New sealant needs a fully clean surface.
What happens if it’s left?
Hidden water does the most damage: soaked floorboards, ceiling stains below and blown plaster. Dealing with the joint now is a small job by comparison. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in Southfields, the repair is bigger than the sealant job would have been.
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re not sure whether it needs doing, ring 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.
Why Southfields clients choose us
- We never seal over old sealant
- We agree the colour with you first
- Homes, businesses and hotels
- Arbo and Everbuild products
Take a look at how sealant jobs are priced and customer reviews.
DIY versus a professional finish
Too much sealant is as bad as too little. A thick, smeared bead looks untidy and does not move well, and getting the depth right matters as much as the look.
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Keeping the joints in good condition
So the new joints stay in good condition:
- Look for stains below bathrooms now and then
- Air the bathroom so the sealant can dry
- Do not add new sealant on top of old
- Have loose fittings fixed before resealing
Where we have pointed out another fault, have it put right, because the new sealant can’t hold back a problem underneath.
Don’t keep resealing the same joint. Get the cause found first, or the next bead will go the same way.
Towns and villages near Southfields
What else we do in Southfields
Southfields: your questions answered
Do you work for landlords with property near Earlsfield station?
Yes, rental work is part of what we do. You can ring 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before any work starts.
Could a tired shower seal in my Southfields flat affect the neighbours below?
Yes, it can. Water that gets past failed sealant or cracked grout can run under the bath or tray and show up on the ceiling below. It’s far simpler to replace tired sealant early than to deal with a neighbour’s ceiling.
What do you put in the joint?
Each joint gets the product that suits it. Movement, water and weather all affect the choice, and we will tell you what we are using.
Do you take out the old sealant first?
Yes, always, and completely. New sealant won’t bond properly to old, so the joint is cleaned back first.
What if resealing will not fix my leak?
Then we explain what we’ve found. A plumber or fitter may be needed before any new sealant goes on.
Do you hold any approvals?
Yes. We are approved under the ARBOMaster scheme.
What information do you need?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply ring 0345 464 0079 or email us.
How long should I leave it?
Most sealants are touch-dry well before they’re fully cured. We’ll give you the cure time for the product we used before we leave.
Remedial sealant around Southfields
In a London flat, water from a failed bath or shower seal can reach the neighbours below, which is why it’s worth fixing early. London’s water is hard, which leaves limescale on sealant, grout and taps.
Homes close to St John the Divine include some older properties, and older homes can move a little, which is hard on rigid grout and tired sealant. For site and facilities teams at buildings such as Floreat Wandsworth Primary School, its toilets, changing areas and kitchens need their sealant renewed like any other building’s.
Southfields is about 2 miles north-east of Wimbledon, in Greater London. Jobs in Southfields get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Our area takes in 764 places across Greater London, from the larger towns to small villages. You can also see our page for London, roughly 6 miles from Southfields.
Jobs for remedial sealant in SW18, SW19 and SW17 is quoted and booked the same way as anywhere else. Remedial sealant is available to properties on Burr Road, Acuba Road and Mount Road and the roads around them. Neighbouring places we cover for remedial sealant include Earlsfield (1 mile south-east), Wandsworth (1 mile north), Summerstown (1 mile south), Battersea (2 miles north-east) and Clapham Junction (2 miles north-east). Further out, we also cover London (6 miles north-east), City of Westminster (5 miles north), Marylebone (5 miles north), Kensington (4 miles north), St Pancras (6 miles north-east) and Shoreditch (7 miles north-east).
What’s near Southfields
We work in homes and buildings around Old Sergeant pub, Southfields Academy and Wandsworth School, among other places. There’s a railway station in Southfields itself: Earlsfield station. Other landmarks nearby include Royal Hospital for Neuro-disability (1 mile west) and Wimbledon Lawn Tennis Museum (1.2 miles south-west). Not far away are Henman Hill and Wandle Meadow Nature Park.
When to call us in Southfields
Movement tears sealant that isn’t designed for it. A bath that flexes, a tray that rocks or a building joint that opens and closes split any bead that is too stiff or too thin.
People generally contact us when they notice one of these:
- Decorators’ caulk around a bath or shower
- Thick, messy sealant smeared over tiles
- Mould trapped under a layer of silicone
- Floor or wall movement joints that have failed
As a London address, Southfields can be tricky for parking: tell us about permits, visitor bays or off-street space when you book.
Questions to ask before booking
- What happens if they find a problem under the old sealant
- Which sealant they’ll use, and why
- Whether VAT is included
- Whether they seal over old material or remove it