Greater London · England
Remedial Sealant in Eltham
Remedial sealant across Eltham and nearby, with old sealant always removed completely and a 12-month guarantee.
- Thick, messy sealant smeared over tiles
- Decorators’ caulk around a bath or shower
- Sealant that came away because the surface wasn’t prepared
What affects the quote in Eltham
The price is agreed before any work begins. It takes into account:
- Mould in or behind the old joints
- How much old sealant there is and how hard it is to remove
- The size of the job
- How many areas need sealing
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please phone 0345 464 0079 or send us an email.
Asking for a quote
Before you ask for a quote, have a think about:
- What’s wrong with the joints now
- A few photos by email, if you can
- If it’s domestic, commercial or a hotel
- If someone has resealed it before
Need a quote? Please phone 0345 464 0079 or send us an email and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.
About our remedial sealant in Eltham
The wrong product in the wrong joint won’t last, however tidy it looks. Out it comes, and in goes a sealant suited to the job. If you have worktop sealant that has shrunk and split and torn expansion joints, 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 Eltham more than a cosmetic job.
Big or small, it’s backed by our 12-month guarantee.
- Place
- Eltham (SE9, SE12, DA15, BR7)
- Region
- Greater London
- Guarantee
- A year, on every job
- Quote
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Towns and villages near Eltham
What else we do in Eltham
Questions from Eltham
Do you work for landlords with property near Mottingham station?
Yes, we work for letting agents and landlords. Just call 0345 464 0079 or email us and tell us about the property, and we’ll give you a clear quote.
Can parking be tricky for a visit in Eltham?
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 come to Eltham?
Yes, we do. Eltham is part of the area we cover, and the service is the same as everywhere else.
Are you an approved applicator?
Yes. We hold ARBOMaster approved applicator status.
Will there be a smell?
Some sealants have a smell while they cure. Ventilation helps.
Someone resealed my shower and it’s leaking again. Can you help?
Yes, normally. First we check whether the leak is the sealant at all, then strip and reseal the joints.
What if resealing won’t fix my leak?
You will hear it from us. A cracked tray, faulty valve or leaking waste needs a different trade, and we will not reseal for the sake of it.
Should I try DIY first?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
What sealant work can’t fix
In fairness, there are a few things sealant will not fix:
- Sealant in an older building that needs testing for asbestos first
- Cracks in the fitting rather than the joint
- Failed tanking or loose tiles behind the sealant
If you are not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer before you book.
Where we work in Eltham
- Botched or over-sealed joints
- Shrunken worktop sealant
- Mouldy bath & shower sealant
- Leaking tray & enclosure joints
- Failed movement joints
- Expansion joints
Why deal with it now?
A failed seal rarely means a new bathroom. When the fittings are sound, stripping and resealing the joints is often enough. Where something else has failed, you’ll hear it from us. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and once it shows in Eltham, the repair is bigger than a sealant job.
Leaving a failed joint usually makes the job bigger, not smaller, because water and mould keep working on it. If you are unsure, call 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Why us?
- White, clear, grey or another colour, product permitting
- A sealant colour to suit the surroundings
- Neat joints and a tidy finish
- Over 20 years’ experience
Read our cost guide or our reviews.
Eltham homes and their sealant
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. 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.
Managing a site like St Thomas More Catholic Comprehensive 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. As a London address, Eltham can be tricky for parking: tell us about permits, visitor bays or off-street space when you book. If you let a flat or house near Mottingham station, failed or mouldy sealant is worth putting right between tenancies, before it turns into a leak.
Eltham is about 7 miles west of Dartford, in Greater London. Across the SE9 area, we can carry out remedial sealant at your property. We cover 764 towns and villages across Greater London, large and small. Our London page covers work nearby.
All of SE9, SE12, DA15 and BR7 is covered for remedial sealant, from the main roads to the quietest streets. That includes homes and businesses on Eltham High Street, Tarnwood Park and Elmslie Court. You’ll find Eltham on the A20 and B263, which makes it straightforward to reach with everything needed for remedial sealant. Neighbouring places we cover for remedial sealant include Middle Park (1 mile west), New Eltham (1 mile south-east), Well Hall (1 mile north), Coldharbour (1 mile south) and Avery Hill (1 mile north-east). Larger places within reach include London (8 miles north-west), City of Westminster (10 miles north-west), Marylebone (10 miles north-west), Kensington (12 miles west), St Pancras (9 miles north-west) and Shoreditch (8 miles north-west).
Near you in Eltham
Locally, jobs take us to homes and businesses close to Horn Park, Eltham Church of England Primary School and The Greyhound Public House, among other places. There’s a railway station in Eltham itself: Mottingham station. Nearby you will also find Eltham Community Hospital (within half a mile north) and Metropolitan Police Museum (2.1 miles east). Green spaces nearby include The Tarn and Summer Hill.
DIY versus a professional finish
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, then guaranteed for a year.
The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. All the old material has to come out first.
How the visit works
When we arrive, we look over the joints with you first, so you know exactly what we’re doing. Surfaces next to the work are protected before we start. The work generally takes a few hours, depending on how many layers have to come out. In a London area like Eltham, the main things to plan are parking and access: let us know about parking, the floor we will be working on and any lift or shared entrance.
- The failure is looked at first, so we know whether it’s sealant, movement or water from elsewhere.
- Old beads and residue are removed down to clean surfaces.
- Mould is treated and the joint dried.
- The right product goes in, with backing where the joint moves.
- We finish neatly and point out anything that needs another trade.
Before we arrive
- Let us know about earlier repairs to the joints
- Plan for the work area to be out of bounds to pets and children
- For business premises, tell us about site rules or sign-in
Getting a quote
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is. Whenever you are ready, call 0345 464 0079 or email us.
Related advice
Aftercare tips
Aftercare is simple:
- Don’t add new sealant on top of old
- Act on a lifting corner straight away
- Run the fan after every shower
- Have loose fittings fixed before resealing
Go easy on the new sealant: a mild cleaner and a soft cloth, with no blades or scourers.
Mould under a second layer of sealant keeps growing out of sight. By the time it shows through, the joint is well past saving.
Landlords, agents and businesses in Eltham
From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
Hotels need rooms back in use, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.