Greater London · England
Bathroom & kitchen resealing in Coldharbour, Greater London
Bath, shower, basin, wet room, worktop and sink resealing for homeowners, landlords and businesses in Coldharbour. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Leaks into the floor or ceiling below
- Lumpy, uneven sealant from a DIY attempt
- Water escaping at the shower enclosure
Common questions in Coldharbour
Can worn sealant in a flat in Coldharbour cause a leak downstairs?
Yes, and the first sign is often a stain on the ceiling below. A proper reseal before the leak starts is the easy fix.
Can parking be tricky for a visit in Coldharbour?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.
Can I do it myself?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs.
What sealant do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice.
Can you quote for more than one area?
Yes, we can. Several rooms, windows or areas can go on one quote.
Is it OK to put new sealant on top of the old bead?
No, never. A bead laid over old silicone soon starts to come away. Every trace of the old bead is removed first.
Do you have insurance?
Yes. Full insurance covers our work.
Do you take out the old sealant first?
Always. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Bathroom resealing in Coldharbour, done properly
With over 20 years in the trade, we reseal baths, showers and kitchens in homes across Coldharbour. We’re fully insured ARBOMaster approved applicators, and every job carries our one-year guarantee. If you’re dealing with black spots spreading through the bead and damp behind the bath or under the tray, we can put it right, whatever the surface.
London homes include a lot of flats, conversions and mansion blocks, so a bathroom is often directly above a neighbour’s ceiling. That makes worn sealant and cracked grout in Coldharbour more than a cosmetic job.
The work is guaranteed for twelve months. If there’s a problem with our work within the year, let us know and we’ll sort it.
- Where
- Coldharbour (E14, SE10, E22)
- Region
- Greater London
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
What happens on the day
Every visit runs the same way: we check the joints, mask and protect the surrounding surfaces, do the work and clear up. Most jobs take a couple of hours for one bath or shower, or most of a day for a full bathroom and kitchen. For a job in Coldharbour, parking and access are the things to plan: let us know about parking, the floor we’ll be working on and any lift or shared entrance.
- First, each joint is checked for movement and signs of water.
- The old silicone is cut out completely, along with the film it leaves on the tiles.
- Joints are degreased and any mould is treated.
- When the joint is dry, and a bath has been filled with water, the new silicone goes on.
- We tool the bead to a neat finish and give you the cure time, generally around 24 hours.
Getting ready for the visit
- Tell us about any water getting in
- Keep pets and children clear of the area while we work
- Move anything stored near the joints
Get a quote
For a quick quote, get us on the phone, or email us if that’s easier. Tell us about the joints that need doing and we’ll talk you through the work.
Advice
How the job changes by surface
Basins & vanity units
A vanity top has a joint along the wall and sometimes at the sides. Water that gets behind can damage the unit, so a neat, continuous bead matters.
Baths
Baths move more than any other fitting, so we fill it with water before sealing. The joint is then laid with the bath at its lowest point.
Bathrooms and kitchens in Coldharbour
In a London flat, water from a failed bath or shower seal can reach the neighbours below, so tired sealant is best dealt with early. There are hotels and other places to stay in and around Coldharbour. Hotel bathrooms are part of our work as well as homes, and can be done room by room.
Coldharbour is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book. Rented homes near Canary Wharf station change hands often, and a reseal between tenants is a quick way to make the bathroom and kitchen look cared for.
Coldharbour is about 2 miles north of Greenwich, in Greater London. Jobs in Coldharbour get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our area takes in 764 places across Greater London.
We work across the E14, SE10 and E22 postcode area for bathroom resealing. Bathroom resealing is available to properties on Canada Square, Simpson's Road and Amsterdam Road and the roads around them. Coldharbour sits on or near the A1206 and A1261, so getting to you is simple. Close by, we work in Blackwall (1 mile north-east), London Docklands (1 mile west), Poplar (1 mile north-west), Canary Wharf (1 mile west) and Heron Quays (1 mile west). Within a short drive, we also cover London (4 miles west), City of Westminster (6 miles west), Marylebone (6 miles west), Kensington (8 miles west), St Pancras (5 miles west) and Shoreditch (3 miles north-west).
Around Coldharbour
Around Coldharbour, our work takes us to homes and buildings near Canary Wharf College 3, Mudchute Park and Farm and Tower Hamlets College. The closest station to Coldharbour is Canary Wharf station, roughly 0.5 miles north-west of the centre. Other landmarks nearby include Old Royal Naval College (1.3 miles south) and Poplar Hospital (0.6 miles north). Green spaces nearby include Tower Hill and Lavender Pond.
When to call us in Coldharbour
A bath shifts a little every time it’s filled and emptied. Acrylic in particular gives slightly under the weight of water and a person, while a poorly supported tray can shift underfoot. That movement works at the bead until it splits or peels away.
People generally contact us after spotting something like this:
- Black mould in the silicone that won’t clean off
- Cracked, shrunken or lifting silicone
- Gaps between the worktop and the wall
- New sealant laid over old sealant that is now lifting
If you live in an older home near All Saints Church, timber floors under older bathrooms flex, so joints need a sealant that moves with them.
Questions to ask before booking
- What insurance they hold
- How long to leave it before use
- The length of the guarantee
- Which sealant they’ll use, and why
What affects the cost of bathroom resealing
There’s no set price list, because jobs vary so much. The quote depends on:
- Whether there’s mould to deal with
- Whether the work is at height
- The old material and how stubborn it is
- The number and length of the joints
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all make a difference, and we will explain the quote if you ask.
Helping us quote
Before you ask for a quote, have a think about:
- Pictures of the joints, sent by email
- How many joints, rooms or windows are involved
- What the problem is, such as mould, gaps, leaks or cracking
- If someone has resealed it before
If you’re in Coldharbour and need bathroom resealing, ring 0345 464 0079 or send us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
For landlords and businesses
Letting agents often deal with us directly. Tell us the address, the job and how access works.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
Also near Coldharbour
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Why deal with it now?
Bleach and mould sprays may lighten black marks for a while, but mould that has grown into the sealant tends to return. Cutting it out and resealing with anti-fungal silicone is the fix that lasts. In a flat in Coldharbour, 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.
The cost reflects the work involved, not guesswork. That is why we ask about the job first and agree the price before starting.
Why us?
- Anti-fungal sanitary silicone in wet areas
- A choice of colours where the product allows
- 20+ years of sealant experience
- One-year guarantee on every job
Read what affects the cost and what customers say.
Aftercare tips
Once the sealant has cured, a few habits help it last:
- Keep scourers and sharp tools away from the bead
- Wait for the cure time we give you
- Do not leave water standing on kitchen joints
- Look for lifting corners and small gaps now and then
Keep water off the new bead until it has cured, following the cure time we give you. Once it’s cured, wiping it down after use keeps it looking new.
Small signs come before a leak: a corner lifting, a gap behind the bead, a dark line under the silicone or a damp patch on the ceiling below. Any of these means the joint needs attention.