Greater London · England
Bethnal Green Bathroom Resealing
Bath, shower, basin, wet room, worktop and sink resealing for homeowners, landlords and businesses in Bethnal Green. ARBOMaster approved applicators, fully insured, with a one-year guarantee.
- Black mould in the silicone that will not clean off
- New sealant laid over old sealant that is now lifting
- Gaps between the worktop and the wall
Bathroom resealing in Bethnal Green
It isn’t only bathrooms. Worktop upstands, sink edges and splashback joints get wet every single day, and water that gets into the back edge of a worktop can swell the board. Kitchen joints get a sealant suited to kitchens, colour-matched where it shows. Common call-outs are for two layers of silicone, both failing and a messy, uneven bead from a previous reseal, on kitchen worktops & upstands, sinks & splashbacks and shower trays & enclosures.
London’s water is hard, so limescale builds up along sealant lines, in grout and on fittings. In Bethnal Green, bathroom resealing is as much about a room looking cared for as about keeping water out.
There’s a 12-month guarantee on every job, whatever its size.
- Where
- Bethnal Green (E2, E1, E3)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Price
- A clear price before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026

Common questions in Bethnal Green
Can worn sealant in a flat in Bethnal Green cause a leak downstairs?
Yes. In a flat, water from a failed bath or shower seal has only one way to go, and that is down. A proper reseal before the leak starts is the easy fix.
Do you work in hotels near Bethnal Green?
Yes, we work for hotels as well as homes and businesses. Rooms can be done a few at a time, so the building stays open.
What information do you need?
Let us know what needs doing and where, with pictures by email if possible. We will ask anything else we need to know.
Can you get rid of the black mould in my sealant?
Yes. Once mould has grown into the silicone, it usually cannot be cleaned out for good, so the bead comes out, the joint is treated and new anti-fungal silicone goes in.
Where is Mr Mastic based?
We are a Crawley-based firm. Our area covers South East England, London and Scotland.
What do you put in the joint?
Products from Arbo and Everbuild, among others, chosen to suit the joint. We will tell you what we are using and why.
What colours of sealant can you use?
You are not limited to white: clear, white and colours chosen to suit the room. We can help you pick when we quote.
How long does it take to reseal a bath or shower?
That depends on the number of joints and the state of the old sealant. Allow a couple of hours for a typical bath or shower.
Work for landlords, hotels and businesses
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
We work for letting agents and landlords as well as householders. Resealing between tenancies keeps a property looking cared for.
When it is not the sealant
In fairness, some problems need a different trade:
- A leaking waste, trap or valve
- A bath or tray that moves because it is not properly supported
- A tray or bath that’s cracked through
If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before booking.
What we seal
- Kitchen worktops & upstands
- Sinks & splashbacks
- Shower trays & enclosures
- Basins & vanity units
- Baths
- Wet rooms
How the visit works
Most of a good job is in the preparation, and we do not rush it. Every joint is cleaned and dried before new material goes in. In total, it usually takes a morning or an afternoon for most single baths and showers. In Bethnal Green, 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, each joint is checked for movement and signs of water.
- Every trace of the old bead is removed, including the thin smear on the tiles.
- The joint is cleaned, degreased and treated for mould.
- 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.
Before we arrive
- Let us know about earlier repairs to the joints
- Keep children and pets away from the work area
- Let us know if you’ve seen damp or leaks
Get a quote
Every job is quoted individually, so start by telling us what you need. Simply ring 0345 464 0079 or send us an email and describe the job.
Read more
Common problems we fix in Bethnal Green
Baths and trays move. Acrylic in particular gives slightly under the weight of water and a person, and a tray that is not fully bedded can rock. Over time the joint tears or pulls away from the tile.
The most common problems we see are:
- A bead that has pulled away from the tiles
- Black mould in the silicone that will not clean off
- A messy, uneven bead from a previous reseal
- Water getting behind the bath panel
Bethnal Green is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
What to look for in a quote
- Which colour the sealant will be
- The length of the guarantee
- What insurance they hold
- Is the old sealant removed completely?
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
What affects the quote in Bethnal Green
You’ll get a clear quote before we start. It’s based on:
- The number and length of the joints
- How many rooms, windows or areas are involved
- The product the joint needs
- Whether the work is at height
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. The price is agreed before we begin.
Asking for a quote
When you call or email, these details help:
- What’s wrong with the joints now
- If it’s domestic, commercial or a hotel
- Roughly how big the job is
- Pictures of the joints, sent by email
Want a quote for bathroom resealing? Please call 0345 464 0079 or drop us an email with a few details. You’ll know what we plan to do, and what it will cost, before any work begins.
What bathroom resealing looks like in Bethnal Green
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. London has hard water, which leaves limescale on sealant, grout and taps.
For an older house near a landmark such as St Peter's, bathrooms in older houses have often been refitted more than once, with sealant laid over sealant. If you look after a building such as Lawdale Junior School, its toilets, changing areas and kitchens need their sealant renewed like any other building’s.
Bethnal Green is about 3 miles north-east of London, in Greater London. Every kind of property in Bethnal Green is covered for bathroom resealing. Every job comes with our 12-month guarantee. Our area takes in 764 places across Greater London, large and small.
Work in E2, E1 and E3 is quoted and booked the same way as anywhere else. Whether your property is on Patriot Square, Ion Square and Victoria Park Square or anywhere close by, we can help. Being close to the B108 and B118, Bethnal Green is simple for us to get to. If you are just outside Bethnal Green, we cover Cambridge Heath (1 mile north-east), London Fields (1 mile north), Shoreditch (1 mile west), Haggerston (1 mile north-west) and Stepney (1 mile south-east). Further out, we also cover London (3 miles south-west), City of Westminster (4 miles west), Marylebone (4 miles west), Kensington (6 miles west), Walthamstow (4 miles north) and Hampstead (5 miles west).
Near you in Bethnal Green
Around Bethnal Green, our work takes us to homes and buildings near Oaklands School, Bishopsgate Institute Special Collections and Archives and Bethnal Green Gardens. Also close by are Young and Talented School of Stage and Screen (less than half a mile south) and Sebright Arms (under half a mile north-west). There’s a railway station in Bethnal Green itself: Cambridge Heath station. Well-known places in the area include Hackney Walk (1.3 miles north) and London Chest Hospital (0.5 miles east). Green spaces nearby include St. James's Park Lake and Tower Hill.
Nearby places to Bethnal Green
Other services in Bethnal Green
Why it’s worth doing now in Bethnal Green
Fresh sealant smartens a bathroom or kitchen with very little disruption, which helps when a home is being let or put on the market. A smeared, uneven DIY bead does the opposite. In a London flat, a failed joint rarely stays your problem alone: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.
The cost depends on the size of the job, how hard the old material is to remove and access to the work. We give a clear quote before any work starts.
Why Bethnal Green clients choose us
- 20+ years of sealant experience
- Arbo and Everbuild products
- Approved under the ARBOMaster scheme
- Homes, businesses and hotels
