Greater London · England

Remedial sealant & repairs in Upton, Greater London

We cover Upton for removing failed, mouldy or leaking sealant and putting it right. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.

  • Torn expansion joints
  • Beads that never stuck properly
  • Mould trapped under a layer of silicone

Remedial sealant in Upton

How we handle remedial sealant in Upton

Remedial work is what we do when sealant has failed or been done badly. Silicone laid over silicone, smears across tiles, the wrong product in a moving joint or mould trapped underneath all have to come out before the joint can be done properly. We are often asked to deal with mould trapped under a layer of silicone and caulk or the wrong sealant used in a wet area, on botched or over-sealed joints, leaking tray & enclosure joints and mouldy bath & shower sealant.

Hard London water leaves limescale on sealant, grout and taps alike. In Upton, remedial sealant is as much about a room looking cared for as about keeping water out.

You get a 12-month guarantee, the same in Upton as everywhere else we work.

Place
Upton (DA6, DA7, DA16)
Region
Greater London
Guarantee
A year, on every job
Price
Quoted before any work starts
Phone
0345 464 0079
Updated
26 October 2026
Mr Mastic applicator smiling as he applies silicone to the corner of a bath

What we do, step by step

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours, depending on how many layers have to come out and we leave things clean and tidy. In Upton, 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.

  1. The failure is looked at first, so we know whether it’s sealant, movement or water from elsewhere.
  2. Old beads and residue are removed down to clean surfaces.
  3. Mould is treated and the joint dried.
  4. The right product goes in, with backing where the joint moves.
  5. We finish neatly and point out anything that needs another trade.

Preparing for the visit

  • Let us know about parking restrictions
  • For business premises, tell us about site rules or sign-in
  • Tell us about access, such as stairs, a lift or high-level joints

Get a quote

Getting a quote is simple: tell us what needs doing and where and its rough size. A few pictures by email make the job easier to understand.

Ask for a quote

Related advice

Upton: your questions answered

I let a flat near Bexleyheath station. Can you help?

Yes, rental work is part of what we do. Just call 0345 464 0079 or send us an email and tell us about the property, and we will send you a clear quote.

Is parking a problem for a job in Upton?

Parking in Upton, as in most of London, takes a little planning: a visitor permit or a bay close to the door helps a lot.

Does someone need to be in?

For indoor joints, yes, someone needs to let us in. Once we have agreed the job, you do not need to watch us work.

Can you remove old sealant without damaging the bath?

Yes. Careful removal is most of a remedial job, especially on acrylic, enamel and uPVC.

What do you need from me for a quote?

Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply phone 0345 464 0079 or send us an email.

Can I do it myself?

That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional, while a short indoor joint may be within reach.

When is the sealant fully cured?

Most sealants are touch-dry well before they’re fully cured. We will tell you how long to leave the joint before we leave.

Can you do several jobs on one visit?

Yes. Just list everything you need and you’ll get one quote.

Bathrooms and kitchens in Upton

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. London’s water is hard, which leaves limescale on sealant, grout and taps, and it has to be cleaned off before new sealant goes in.

As a London address, Upton can be tricky for parking: tell us about permits, visitor bays or off-street space when you book. Managing a site like Upland Primary School? Then we reseal washrooms and kitchens in schools and businesses as well as homes. For landlords with property near Bexleyheath station, botched sealant from a previous quick fix is easier to strip out between tenants.

Upton is about 1 mile east of Welling, in Greater London. Homes, rented property, offices and hotels in Upton can book us for remedial sealant, old or new, large or small. Every job comes with our one-year guarantee. Upton is one of 764 towns and villages in Greater London where we work for remedial sealant. London is on our list too, around 10 miles away.

Every address in DA6, DA7 and DA16 is within our area for remedial sealant. Remedial sealant is available to properties on Lion Road, Upton Road and Freta Road and the roads around them. If you’re just outside Upton, we cover Bexleyheath (1 mile east), Crook Log (1 mile west), Blendon (1 mile south-west), Bexley (1 mile south) and Welling (1 mile west). Further out, we also cover London (10 miles west), City of Westminster (13 miles west), Marylebone (13 miles west), Kensington (15 miles west), St Pancras (12 miles north-west) and Shoreditch (10 miles north-west).

What’s near Upton

Typical jobs here are in homes near St Catherine's Catholic School, Danson Park and Bexleyheath Academy, among other places. There’s a railway station in Upton itself: Bexleyheath station. Other landmarks nearby include Bexley Hospital (within half a mile south-west) and Broadway Shopping Centre (0.5 miles south-east). Open spaces near Upton include Summer Hill and Wansunt Pit.

Map of Upton © OpenStreetMap contributors

Looking after it afterwards

No joint lasts for ever, but care makes a real difference. Our tips:

  • Keep the room well ventilated
  • Report a tray that rocks or a worktop that lifts
  • Deal with small splits early
  • Do not point over movement joints

Keep the room ventilated: run the fan during and after showers, or open a window.

A failing joint rarely gets better on its own. Each use pushes more water behind the bead, into floors, walls or ceilings. Early action keeps it to a sealant job.

What affects the quote in Upton

There’s no set price list, because no two jobs are the same. The quote depends on:

  • The size of the job
  • Whether old sealant or filler has to be cut out
  • How many rooms, windows or areas are involved
  • Mould in or behind the old joints

The cost reflects the work involved, not guesswork. That is why we ask a few questions first and give you a clear price before any work starts.

What to tell us for a quote

There’s no need for technical detail. Just tell us:

  • Any previous sealing or DIY work
  • Where the property is
  • How many joints, rooms or windows are involved
  • What the problem is, such as mould, gaps, leaks or cracking

Call for a quick quote, or email us if that is easier. Describe what needs sealing and we’ll talk you through the work before giving you a price.

What the job involves on each surface

Over-sealed & botched joints

Botched joints sometimes have damaged edges from earlier scraping. We work carefully to avoid adding to it, and tell you about any damage we find.

Movement & expansion joints

Joints filled with mortar, grout or rigid filler cannot move. Where it can be raked out, we replace it with flexible sealant.

DIY sealant or a professional job?

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.

Landlord and commercial work in Upton

In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.

We also work for property managers and facilities teams. Several sites can go on one quote, and we are fully insured.

Honest limits

In fairness, some problems need a different trade:

  • Movement from fittings that aren’t supported
  • Plumbing leaks behind walls or under trays
  • Older mastics that may need an asbestos check before removal

Not sure which it is? You can ring 0345 464 0079 or email us and we’ll tell you honestly.

Where we work in Upton

  • Botched or over-sealed joints
  • Mouldy bath & shower sealant
  • Failed movement joints
  • Leaking tray & enclosure joints
  • Expansion joints
  • Shrunken worktop sealant
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job