Greater London · England
North Greenwich Remedial Sealant
Removing failed, mouldy or leaking sealant and putting it right in North Greenwich, with a one-year guarantee on every job. Ask us for a quote.
- Sealant that came away because the surface wasn’t prepared
- Smears and lumps from a botched reseal
- A shower that leaks however often it’s resealed
What affects the quote in North Greenwich
The quote reflects the job in front of us. We take into account:
- Mould in or behind the old joints
- The old material and how stubborn it is
- How many areas need sealing
- How much there is to do
Doing several joints on one visit is generally more efficient than separate visits, so it’s worth mentioning everything you’d like done. You will get one clear quote for the whole job.
Helping us quote
To make quoting easier, let us know:
- How we’d reach the joints
- Whether it has been sealed before
- The problem you’ve noticed
- Where the job is, and your postcode
To get a quote, phone 0345 464 0079 or drop us an email with the location and a short description of the problem. We will send you a clear quote before any work starts.
Remedial sealant in North Greenwich
If a joint fails again and again, something is causing it. A tray that moves, a worktop that is not fixed, the wrong sealant or water getting in elsewhere will defeat even a perfect bead. We look for the cause before we reseal. We work on failed movement joints, botched or over-sealed joints and leaking tray & enclosure joints, and common reasons people get in touch are torn expansion joints and products that weren’t meant for the joint.
Hard London water leaves limescale on sealant, grout and taps alike. For a bathroom or kitchen in North Greenwich, getting the joints right keeps water where it belongs and the room looking clean.
You’re covered for a year from the day we finish. If anything is not right with it, phone 0345 464 0079 or send us an email.
- Where
- North Greenwich (E14, SE8, SE10)
- Region
- Greater London
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How the visit works
There is not much for you to do on the day. Show us the job and we’ll take it from there. The job generally takes a few hours for most joints, depending on how much old sealant has to come out, including the tidy-up. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- Surrounding tiles, trays and frames are protected first.
- 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.
How to prepare
- Try not to wet indoor joints just before the visit
- Clear the area around the work
- Mention any parking rules near the property
Getting a quote
We quote each job on its own. Simply phone 0345 464 0079 or email us and describe the job and send photos if you have them.
Related advice
Can I do it myself?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
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.
Why deal with it now?
It’s easy to scratch acrylic, enamel or an uPVC frame cutting out old sealant, and the residue left behind stops the next bead bonding. Careful removal is most of a remedial job. In a London flat, a failed joint rarely stays your problem alone: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
Leaving a failed joint normally makes the job bigger, not smaller, because water and mould keep working on it. If you are unsure, ring 0345 464 0079 or email us and we will give you an honest view and a quote.
Why North Greenwich customers choose us
- Trusted Arbo and Everbuild sealants
- An ARBOMaster approved applicator
- Any old sealant cut out fully, not covered over
- A choice of colours where the product allows
North Greenwich questions
Do you take on hotel work around North Greenwich?
Yes, hotels and guest houses are among the places we work. Rooms can be done a few at a time, so the building stays open.
Is parking a problem for a job in North Greenwich?
In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when you book.
Do you take out the old sealant first?
Yes, every time. New silicone does not stick to old silicone, so the joint is cleaned back first.
How long before the joint can be used?
That depends on the sealant used, so please follow the time we give you.
Can you take off two layers of silicone?
Yes. It’s slower than a standard reseal, because every layer has to come out cleanly, but it’s the only way the new joint will last.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. Then phone 0345 464 0079 or send us an email.
Can I choose the sealant colour?
We help you choose a colour that suits. The product needed can limit the range.
Do you come to North Greenwich?
Yes. We are based in Crawley and work across South East England, London and Scotland.
Work for landlords, hotels and businesses
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.
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Resealing at the right time is simple maintenance.
Towns and villages near North Greenwich
Also in North Greenwich
Remedial sealant in North Greenwich: local notes
London’s water is hard, so limescale builds up on sealant, grout and fittings, and it has to be cleaned off before new sealant goes in. 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.
As a London address, North Greenwich can be tricky for parking: let us know about parking bays, permits or a driveway. Managing a site like Harbinger Primary School? Then washroom and kitchen sealant there needs the same care as at home, and schools and businesses are part of our work as well as homes.
North Greenwich is about 1 mile north-west of Greenwich, in Greater London. Jobs in North Greenwich get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. North Greenwich is one of 764 towns and villages in Greater London where we work for remedial sealant.
Jobs for remedial sealant in E14, SE8 and SE10 works the same way as everywhere else we cover. Remedial sealant is available to properties on Creek Road, Wynan Road and Undine Road and the roads around them. Other places close to North Greenwich include Isle of Dogs (1 mile south-east), Millwall (1 mile west), Cubitt Town (1 mile north-east), Deptford (1 mile south-west) and Greenwich (1 mile south-east). We also work in nearby towns such as London (3 miles west), City of Westminster (6 miles west), Marylebone (6 miles west), Kensington (8 miles west), St Pancras (5 miles north-west) and Shoreditch (4 miles north-west).
What’s near North Greenwich
Typical jobs here are in homes near Laban Centre, Canary Wharf College 3 and St. Paul's and the streets around them. Other local landmarks include Mudchute Park and Farm (under half a mile north-east) and The Ferry House Public House (less than half a mile south-east). The nearest railway station is Greenwich station, roughly 0.8 miles south of the centre. Other landmarks nearby include Old Royal Naval College (0.7 miles south-east) and Greenwich Castle (1.1 miles south-east). Open spaces near North Greenwich include Sue Godfrey Nature Park and Tower Hill.
Do you need remedial sealant in North Greenwich?
A lot of failed joints have been sealed over rather than replaced. Silicone doesn’t bond to silicone, so the new layer peels, and damp and mould settle between them.
These are the problems we are asked about most:
- Repeat leaks from the same joint
- Wide, uneven beads that look worse than the old ones
- Floor or wall movement joints that have failed
- Decorators’ caulk around a bath or shower
For landlords with property near Greenwich station, a joint that keeps failing is best fixed properly while the property is empty.
Questions to ask before booking
- Which sealant they’ll use, and why
- When the joint can take water or movement
- Whether they’re fully insured
- What happens if the job turns out different
Looking after it afterwards
So the new joints stay in good condition:
- Don’t point over movement joints
- Have loose fittings fixed before resealing
- Use a soft cloth, not a scourer, on silicone
- Run the fan after every shower
If we’ve found a cause, such as a loose tray or a leaking waste, get it fixed, or the new joint may fail again.
Mould under a second layer of sealant keeps growing out of sight. By the time it shows through, the joint is well past saving.