Greater London · England
Remedial sealant & repairs in Selhurst, Greater London
Remedial sealant across Selhurst and nearby, with every bit of old sealant taken out first and a 12-month guarantee.
- Kitchen joints letting water behind the worktop
- Movement joints that have split or pulled away
- A second bead peeling off the first
Looking after it afterwards
Joint life depends on how it’s used and looked after. We suggest:
- Do not add new sealant on top of old
- Get the cause of a repeat leak found before resealing
- Keep movement joints clear of mortar and paint
- Keep bleach and abrasives off the bead
Watch the joint over the first few weeks, especially if movement was the problem. If anything changes, just call 0345 464 0079 or drop us an email.
A failing joint rarely gets better on its own. Every shower or downpour sends more water through, into whatever is behind or below. Sorting it early limits the damage.
About our remedial sealant in Selhurst
Water on the floor doesn’t always mean failed silicone. A cracked tray, a failed shower valve or a leaking waste can look just the same. When the fault is elsewhere, we say so instead of resealing for the sake of it. We work on mouldy bath & shower sealant, shrunken worktop sealant and expansion joints, and common reasons people get in touch are a second bead peeling off the first and smears and lumps from a botched reseal.
London’s water is hard, so limescale builds up along sealant lines, in grout and on fittings. In Selhurst, remedial sealant is as much about a room looking cared for as about keeping water out.
You are covered for a year from the day we finish. If there’s a problem with it, please phone 0345 464 0079 or email us.
- Place
- Selhurst (SE25, SE20, CR0)
- Wider area
- Greater London
- Guarantee
- One year on every job
- Quotes
- A clear price before work begins
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Selhurst homes and their sealant
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. Selhurst has hotels and guest accommodation nearby. Hotel bathrooms are part of our work as well as homes, and can be done room by room.
Rented homes near Norwood Junction station change hands often, and botched sealant from a previous quick fix is easier to strip out between tenants. Managing a site like St Mark's Church of England Primary Academy? 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. If you live in an older home near Church of St Mark, walls and floors in older homes can move, and sealant and grout show it first.
Selhurst is about 5 miles south-east of Stockwell, in Greater London. Wherever you are in the SE25 postcode area, we can carry out remedial sealant at your property. Selhurst is one of 764 places in Greater London we cover. For nearby work, see our London page (7 miles or so).
Postcode districts we cover here for remedial sealant: SE25, SE20 and CR0. Whether your property is on Park Road, Court Road and Dixon Road or a nearby road, our applicators can take on the job. Selhurst sits on or near the A213, which makes travel easy. Neighbouring places we cover for remedial sealant include South Norwood (1 mile north), Woodside (1 mile south), Ashburton (1 mile south), Elmers End (1 mile east) and Addiscombe (1 mile south). Larger places within reach include London (7 miles north), City of Westminster (9 miles north-west), Marylebone (9 miles north), Kensington (9 miles north-west), St Pancras (9 miles north) and Shoreditch (9 miles north).
Around Selhurst
Typical jobs here are in homes near Harris Academy South Norwood, South Norwood Recreation Ground and The Albion pub, among other places. Selhurst has its own railway station: Norwood Junction station. Well-known places in the area include Croydon University Hospital (1.7 miles south-west) and Crystal Palace Museum (1.4 miles north). Green spaces nearby include Duppas Hill and Dulwich Upper Wood.
What affects the quote in Selhurst
Jobs vary more than people expect. What affects the quote:
- Access and height
- The old material and how stubborn it is
- The size of the job
- Working hours on commercial sites
Doing several joints on one visit usually makes better use of the time than several visits, so tell us about everything that needs sealing. We will send you a clear quote for the lot.
What to tell us for a quote
You don’t need to know the technical terms. Just tell us:
- How many joints, rooms or windows are involved
- The type of property
- Any previous sealing or DIY work
- The address or postcode of the job
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we will talk you through the work and give you a clear quote.
Why it’s worth doing now in Selhurst
Repeat failures have a cause. Taking time to find the cause, whether it’s movement, a leak or the wrong product, is what stops it happening again. In London conversions, one flat’s bathroom is often above another flat’s ceiling, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Putting it right early is much less trouble for homes in Selhurst.
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote.
Why Selhurst clients choose us
- Sanitary silicone with an anti-fungal additive in wet areas
- White, clear, grey or another colour, product permitting
- Every job guaranteed for a year
- Colour agreed with you before work begins
Take a look at how sealant jobs are priced or what customers say.
When something else is needed
Some problems need a builder, plumber or other trade rather than us:
- Older mastics that may need an asbestos check before removal
- Plumbing leaks behind walls or under trays
- Movement from fittings that aren’t supported
If in doubt, call 0345 464 0079 or email us and we will say what we think before booking.
Joints and surfaces we work on
- Expansion joints
- Shrunken worktop sealant
- Mouldy bath & shower sealant
- Botched or over-sealed joints
- Leaking tray & enclosure joints
- Failed movement joints
How the job changes by surface
Worktops & kitchens
Kitchen joints hold grease and residue, so we spend extra time cleaning.
Movement & expansion joints
A movement joint must be able to stretch. Failed sealant is cut out, backing rod or tape is fitted and the joint resealed with a low-modulus product.
What we do, step by step
We work through the job in order: protect, prepare, seal, tidy. For most jobs that takes a few hours for a typical bath or shower, longer where several layers have been applied, and the area is left clean. In Selhurst, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.
- We look at how the sealant has failed and check for movement or a leak path.
- Every layer of old sealant is cut and cleaned out.
- The joint is cleaned, treated for mould and left to dry.
- Where the joint moves, backing and a flexible sealant suited to the movement go in.
- Finally we finish the joint and talk you through what we found.
Getting ready for the visit
- Let us know if you’ve seen damp or leaks
- Tell us about any previous sealing or DIY attempts
- Let us know about parking restrictions
Ask for a quote
It all starts with a short chat. Describe the problem, the location and the size of the job, and we will talk you through what we’d do. Whenever you’re ready, call 0345 464 0079 or drop us an email.
Read more
Also near Selhurst
What else we do in Selhurst
Questions from Selhurst
Is parking an issue for remedial sealant in Selhurst?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. The visit is then planned around what’s available.
Could a tired shower seal in my Selhurst flat affect the neighbours below?
Yes, it can. Water that gets past failed sealant or cracked grout can run under the bath or tray and show up on the ceiling below. It’s far simpler to replace tired sealant early than to deal with a neighbour’s ceiling.
Do you work in Selhurst?
Yes. From our base in Crawley, we cover South East England, London and all of Scotland.
Do you offer different sealant colours?
We help you choose a colour that suits. The choice depends on the product the joint needs.
Can failed expansion joints be resealed?
Yes. Where mortar or filler has been used instead of sealant, it’s removed where it can be, then the joint is sealed properly.
Is remedial work guaranteed?
Yes, with our one-year guarantee. Where we’ve flagged another fault, it needs fixing for the joint to last.
Someone resealed my shower and it’s leaking again. Can you help?
Yes. There’s usually a reason: sealant over sealant, movement or another leak, so we find that first.
What do you put in the joint?
The product depends on the job: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
Should I try it myself first?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.