Greater London · England
Remedial sealant & repairs in Isle of Dogs, Greater London
Removing failed, mouldy or leaking sealant and putting it right for homes and businesses in Isle of Dogs and across Greater London. Fully insured, ARBOMaster approved and guaranteed for a year.
- Sealant applied over old sealant that has lifted
- Caulk or the wrong sealant used in a wet area
- Smears and lumps from a botched reseal
Why it’s worth doing now in Isle of Dogs
Mould under a bead cannot be reached by cleaning. Removal is the only way to get at it, so the joint can be treated and resealed. In a flat in Isle of Dogs, failed sealant seldom stays inside your own four walls: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
We do not show prices on the website, because each job is priced on what it involves. For a quick quote, please ring 0345 464 0079 or drop us an email and we will talk you through it.
Why us?
- Homes, businesses and hotels
- White, clear, grey or another colour, product permitting
- 180+ five-star Google reviews
- 20+ years of sealant experience
See our cost guide and what customers say.
Remedial sealant in Isle of Dogs
The wrong product in the wrong joint won’t last, however tidy it looks. We take it out and use a sealant made for that joint. We’re often asked to deal with decorators’ caulk around a bath or shower and sealant that came away because the surface wasn’t prepared, across botched or over-sealed joints, mouldy bath & shower sealant and failed movement joints.
Hard London water leaves limescale on sealant, grout and taps alike. For a bathroom or kitchen in Isle of Dogs, getting the joints right keeps water where it belongs and the room looking clean.
The work is guaranteed for twelve months. If something isn’t right with it in that time, tell us and we will put it right.
- Place
- Isle of Dogs (E14, SE8, SE10)
- Region
- Greater London
- Cover
- A year, on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
What affects the cost of remedial sealant
We quote each job individually. These are the things that affect it:
- Any mould that needs treating
- The type of sealant required
- How many rooms, windows or areas are involved
- How much there is to do
What you pay reflects the work, not guesswork. That is why we ask a few questions first and give you a clear quote before we start.
What to tell us for a quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- The type of property
- Pictures of the joints, sent by email
- Any access issues, like height or stairs
- How many joints, rooms or windows are involved
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work and give you a clear price.
DIY sealant or a professional job?
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
FAQs for Isle of Dogs
I live in a flat in Isle of Dogs. Can a failed seal leak into the flat below?
It can, yes: water that gets past a split bead or cracked grout often runs under the tray and shows on the ceiling below. Replacing the sealant and grout before that happens is much less trouble than repairing a neighbour’s ceiling.
Do you take on hotel work around Isle of Dogs?
Yes. Hotel and guest-house work is part of what we do. Jobs can be programmed room by room, with out-of-hours working possible to arrange.
Can you take off two layers of silicone?
Yes. Each layer is cut out and the residue cleaned off, before resealing with a single bead.
Are you an approved applicator?
Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we’re part of it.
Can you do several jobs on one visit?
Of course. Doing several areas at once is normally more efficient.
Can you reseal a split movement joint?
Yes. We cut out the failed sealant, fit backing and reseal with a flexible product.
Do you take out the old sealant first?
Yes. All of the old material is cut out and the joint cleaned before applying anything new.
What does remedial sealant cost?
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.
Work for landlords, hotels and businesses
A neglected joint can let water reach the structure, which is a bigger problem in a rented property. Keeping joints in good order is simple maintenance.
Housing providers, facilities teams and property managers book us too. Several sites can be quoted together, and we’re fully insured.
Bathrooms and kitchens in Isle of Dogs
Isle of Dogs has hotels and guest accommodation nearby. Hotel bathrooms are part of our work as well as homes, and can be done room by room. London has a lot of flats and conversions, and a failed shower or bath seal in one can show up on the ceiling below, so tired sealant is best dealt with early.
If you live in an older home near Church of St Nicholas, timber floors under older bathrooms flex, so joints need a sealant that moves with them. Schools such as Harbinger Primary School are buildings too, and 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.
Isle of Dogs is about 1 mile north-west of Greenwich, in Greater London. Isle of Dogs gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a one-year guarantee. 764 places in Greater London are on our list, from the larger towns to small villages.
Every address in E14, SE8 and SE10 is within our area for remedial sealant. You will find streets such as Creek Road, Wynan Road and Undine Road, all of which we cover. If you’re just outside Isle of Dogs, we cover North Greenwich (1 mile north-west), Millwall (1 mile west), Cubitt Town (1 mile north-east), Deptford (1 mile south-west) and Greenwich (1 mile south-east). Larger places within reach include 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).
Local landmarks in Isle of Dogs
Typical jobs here are in homes near The Ferry House Public House, Laban Centre and St. Paul's and the streets around them. Other local landmarks include Mudchute Park and Farm (less than half a mile north-east) and Canary Wharf College 3 (less than half a mile north). The closest station to Isle of Dogs is Greenwich station, roughly 0.7 miles south. Other landmarks nearby include Greenwich Castle (1 mile south-east) and Surrey Quays Shopping Centre (1.3 miles west). The countryside around Isle of Dogs includes Tower Hill and Sue Godfrey Nature Park.
Towns and villages near Isle of Dogs
Other services in Isle of Dogs
Surface by surface
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.
Movement & expansion joints
Movement joints in floors, walls and façades need a flexible sealant set to the right depth. We remove the failed sealant, fit backing and reseal with a low-modulus product.
Common problems we fix in Isle of Dogs
How a joint is built matters as much as the product. Sealant packed too deep, or stuck to the back of the joint as well as the sides, cannot stretch, and tears at the first real movement. Backing sets the depth and stops that.
Look out for any of the following:
- Sealant applied over old sealant that has lifted
- Sealant peeling off a dusty or damp surface
- Torn expansion joints
- Repeat leaks from the same joint
As a London address, Isle of Dogs can be tricky for parking: tell us about permits, visitor bays or off-street space when you book.
Before you book anyone
- When the joint can take water or movement
- Who turns up on the day
- What the quote includes, VAT included or not
- How the joint is cleaned and prepared
How the visit works
There is not much for you to do on the day. Point us to the joints and we’ll get on with it. The job generally takes a few hours, depending on how many layers have to come out, including the tidy-up. In Isle of Dogs, as in most of London, parking needs a little planning. It helps if you can point us to a visitor permit or a bay close to the door.
- First we work out whether the problem is the sealant, movement or a leak.
- Old beads and residue are removed down to clean surfaces.
- Mould is treated and the joint dried.
- We reseal with a product suited to the joint, backed where needed.
- The joint is tooled and you are told about anything else we found.
How to prepare
- Let us know about earlier repairs to the joints
- For indoor joints, keep the area dry beforehand if you can
- Let us know about stairs, lifts or work at height
Getting a quote
Every job is quoted individually, so start by telling us what you need. Simply call 0345 464 0079 or send us an email and describe the job, and photos are welcome.