Greater London · England
Coulsdon Remedial Sealant
Remedial sealant across Coulsdon and nearby, with old sealant always removed completely and a one-year guarantee.
- Floor or wall movement joints that have failed
- Dark patches showing through the sealant
- Products that weren’t meant for the joint
What the job involves on each surface
Movement & expansion joints
Some movement joints have been filled with mortar or grout. Where it can be raked out, we replace it with flexible sealant.
Mouldy bath & shower sealant
Repeat mould normally points to a damp, poorly aired room. Along with resealing, we will mention if the room needs better ventilation.
Remedial sealant in Coulsdon
Decorators’ caulk in a shower, bathroom silicone on a window, a rigid filler in a movement joint will not last, however tidy it looks. Out it comes, and in goes a sealant suited to the job. Common call-outs are for wide, uneven beads that look worse than the old ones and kitchen joints letting water behind the worktop, across leaking tray & enclosure joints, botched or over-sealed joints and shrunken worktop sealant.
London homes include a lot of flats, conversions and mansion blocks, and many bathrooms sit right above someone else’s ceiling. That makes worn sealant and cracked grout in Coulsdon more than a cosmetic job.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Location
- Coulsdon (CR5, CR8, CR3)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Quotes
- A clear quote up front
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
When something else is needed
Some problems need a builder, plumber or other trade rather than us:
- Movement from fittings that aren’t supported
- Sealant in an older building that needs testing for asbestos first
- Leaks from a shower valve, waste or pipework (a plumber’s job)
If you are not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer.
Where we work in Coulsdon
- Botched or over-sealed joints
- Leaking tray & enclosure joints
- Shrunken worktop sealant
- Expansion joints
- Failed movement joints
- Mouldy bath & shower sealant
How to look after the new joints
How long the joints last depends on use and care. Here’s what we suggest:
- Act on a lifting corner right away
- Keep the room well ventilated
- Keep movement joints clear of mortar and paint
- Look for stains below bathrooms now and then
Keep an eye on the joint at first, particularly where the original failure was caused by movement. If anything changes, just phone 0345 464 0079 or send us an email.
Leaks through failed sealant grow over time. Each use pushes more water behind the bead, into floors, walls or ceilings. Early action keeps it to a sealant job.
Bathrooms and kitchens in Coulsdon
London has a lot of flats and conversions, and a failed shower or bath seal in one can show up on the ceiling below, which is why it’s worth fixing early. London has hard water, which leaves limescale on sealant, grout and taps.
If you live in an older home near St Andrew's Church, walls and floors in older homes can move, and sealant and grout show it first. Rented homes near Coulsdon South station change hands often, and failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak.
Coulsdon is about 13 miles south of London, in Greater London. Coulsdon gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. Our Greater London coverage runs to 764 places, and Coulsdon is one of them. Our London page covers work nearby, about 13 miles away.
Every address in CR5, CR8 and CR3 is covered for remedial sealant. Local streets include Hadleigh Grove, Farthing Way and Dobson Close, all of which we cover. Coulsdon sits on or near the B276 and B2030, which makes travel easy. Neighbouring places we cover for remedial sealant include Woodcote (1 mile north), Old Coulsdon (1 mile south-east), Woodmansterne (1 mile west), Chipstead (1 mile south-west) and Purley (2 miles north-east). Within a short drive, we also cover London (13 miles north), City of Westminster (14 miles north), Marylebone (14 miles north), Kensington (13 miles north), St Pancras (15 miles north) and Shoreditch (15 miles north).
Landmarks near Coulsdon
We work in homes and buildings around Dollypers Hill, Coulsdon Sixth Form College and The Pembroke pub, among other places. Coulsdon has its own railway station: Coulsdon South station. Nearby you will also find Croydon Airport Visitor Centre (3 miles north) and Purley War Memorial Hospital (2 miles north-east). The countryside around Coulsdon includes Duppas Hill and Mercers Lake.
Nearby places to Coulsdon
More services for Coulsdon
Signs you need remedial sealant in Coulsdon
All sealant wears out eventually. Mould grows into the silicone, the surface hardens and the bead shrinks. At that point it has to come out.
People generally contact us when they notice something like this:
- A second bead peeling off the first
- Gaps opening along the back of the worktop
- Leaks that keep coming back after resealing
- Movement joints that have split or pulled away
If you look after a building such as Smitham Primary School, we reseal washrooms and kitchens in schools and businesses as well as homes.
What to look for in a quote
- Is VAT in the price?
- What preparation is included
- Whether you can choose the colour
- What product goes in the joint
What affects the quote in Coulsdon
You will get a clear quote before any work starts. It takes into account:
- The amount of work
- Any working-time requirements on site
- How easy the joints are to reach
- The number of rooms or windows
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please phone 0345 464 0079 or drop us an email.
Helping us quote
There’s no need for technical detail. Just tell us:
- Roughly how big the job is
- The address or postcode of the job
- Whether it’s a home or a business
- If someone has resealed it before
For a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We’ll give you a clear price before any work starts.
Coulsdon questions
Could a tired shower seal in my Coulsdon flat affect the neighbours below?
Yes, and the first sign is often a stain on the ceiling below. Cutting out the old sealant and laying a new bead early stops it getting that far.
Do you work for landlords with property near Coulsdon South station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. Just call 0345 464 0079 or send us an email with the address and what needs doing, and we’ll give you a clear price.
Can you fix a reseal that hasn’t worked?
Yes. There’s normally a reason: sealant over sealant, movement or another leak, so we find that first.
How long does remedial resealing take?
That depends on how many layers there are and how many joints. We will tell you before work begins.
Do the sealants smell?
Possibly a little. Any smell clears as the sealant cures, and ventilation helps.
How do I get a quote for remedial sealant in Coulsdon?
The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote and we will talk you through it.
Can you remove sealant that is been put over old sealant?
Yes. Stripping layered sealant takes longer than a normal reseal, but it’s the only way the new joint will last.
Do you do commercial work?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
How it works
Once we are on site, we check the joints match what you told us. If anything is different, we explain it before carrying on. Most jobs then take a few hours for most joints, depending on how much old sealant has to come out. In Coulsdon, flats, stairs and shared entrances are part of the routine. If the building has a concierge, managing agent or access rules, tell us when you book.
- First we find out how and where the joint has failed.
- Every layer of old sealant is cut and cleaned out.
- We clean the joint, treat any mould and let it dry.
- We use the right backing and sealant for any joint that moves.
- Finally we finish the joint and talk you through what we found.
Preparing for the visit
- Mention any tricky access
- Try not to wet indoor joints just before the visit
- Mention any sign-in or site rules at work premises
How to get a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll explain how we’d tackle it. When it suits you, ring 0345 464 0079 or drop us an email.
Related advice
Landlords, agents and businesses in Coulsdon
For anyone letting property in or around Coulsdon, several properties can be quoted together. Send us the addresses and the work at each.
Failed sealant is one of the commonest items on a check-out report, and it’s quick to put right between tenancies. We can quote for more than one property at once.