Greater London · England
Remedial Sealant in Lower Holloway
Removing failed, mouldy or leaking sealant and putting it right in Lower Holloway, with a 12-month guarantee on every job. Ask us for a quote.
- Sealant that came away because the surface wasn’t prepared
- A shower that leaks however often it’s resealed
- Mould trapped under a layer of silicone
Remedial sealant in Lower Holloway
Getting old sealant out properly is slow, careful work. Every layer is cut out, the residue cleaned off and the joint degreased, without scratching tiles, trays or frames. New sealant only bonds to a clean, dry joint. We work on mouldy bath & shower sealant, failed movement joints and botched or over-sealed joints, and people most often call us about a shower that leaks however often it’s resealed and sealant peeling off a dusty or damp surface.
Across London, a large share of homes are flats, conversions or mansion blocks, so a bathroom is often directly above a neighbour’s ceiling. In Lower Holloway, that’s a good reason to put tired sealant and grout right early.
All our work is covered by our one-year guarantee, wherever you are in Greater London.
- Place
- Lower Holloway (N7, N1, N5)
- Wider area
- Greater London
- Guarantee
- 12 months on all our work
- Price
- A clear price before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
DIY sealant or a professional job?
If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
Places near Lower Holloway
Other services in Lower Holloway
Work for landlords, hotels and businesses
We regularly work with letting and managing agents. Send the address, what’s needed and the access arrangements.
Housing providers, facilities teams and property managers book us too in Lower Holloway and across Greater London. Several sites can be quoted together, and we’re fully insured.
Bathrooms and kitchens in Lower Holloway
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.
As a London address, Lower Holloway can be tricky for parking: tell us about permits, visitor bays or off-street space when you book. If you live in an older home near St David, timber floors under older bathrooms flex, so joints need a sealant that moves with them. Managing a site like Sacred Heart Catholic Primary School? Then we reseal washrooms and kitchens in schools and businesses as well as homes.
Lower Holloway is about 2 miles north of St Pancras, in Greater London. Homes, rented property, offices and hotels in Lower Holloway is covered for remedial sealant. Every job comes with our one-year guarantee. 764 places in Greater London are on our list, from the larger towns to small villages.
Jobs for remedial sealant in N7, N1 and N5 is quoted and booked the same way as anywhere else. We cover properties on Penn Road, Cliff Road and Lough Road. You will find Lower Holloway on the A5203, which makes it straightforward to reach. Other places close to Lower Holloway include Barnsbury (1 mile south), Holloway (1 mile north), Nag's Head (1 mile north), Tufnell Park (1 mile north-west) and Islington (1 mile south-east). We also work in nearby towns such as London (4 miles south), City of Westminster (3 miles south-west), Marylebone (3 miles south-west), Kensington (5 miles south-west), Walthamstow (5 miles north-east) and Whitechapel (3 miles south-east).
Landmarks near Lower Holloway
Typical jobs here are in homes near St Mary Magdalene Gardens, Musical Theatre Academy and St Mary Magdalene Academy, among other places. You will also find Vaughan Williams Memorial Library (1.6 miles south-west) and The Lamb Tavern Public House (under half a mile west). The closest station to Lower Holloway is Caledonian Road & Barnsbury station, about 0.5 miles south. Other landmarks nearby include Arsenal Football Club Museum (0.6 miles north-east) and Montfichet's Tower (2.6 miles south). Not far away are Dartmouth Park Hill and Barnsbury Wood.
FAQs for Lower Holloway
Is parking a problem for a job in Lower Holloway?
Parking in Lower Holloway, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly.
I live in a flat in Lower Holloway. Can a failed seal leak into the flat below?
Yes. In a flat, water from a failed bath or shower seal has only one way to go, and that is down. Cutting out the old sealant and laying a new bead early stops it getting that far.
I’m a tenant. Can you help?
Yes. Ask your landlord first, and we can send them the quote if that helps.
Can you take off two layers of silicone?
Yes. We cut out all the layers and clean off the film, then the joint is resealed once.
Do you work for letting agents?
Yes. As well as homeowners, we work for landlords, agents, businesses and hotels.
Can you match the sealant colour?
Most of the time, yes. We’ll tell you which colours the right product comes in.
Are you ARBOMaster approved?
Yes. We’re ARBOMaster approved, the scheme for applicators of Arbo sealants.
Is it worth trying it myself?
You can, for simple jobs. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
What sealant work cannot fix
We will always be straight with you, so here’s what sealant can’t fix:
- A leaking trap, valve or supply pipe
- A tray or bath that’s cracked
- Older mastics that may need an asbestos check before removal
If you are not sure, just call 0345 464 0079 or send us an email and we will give you a straight answer before booking.
Joints and surfaces we work on
- Failed movement joints
- Mouldy bath & shower sealant
- Expansion joints
- Shrunken worktop sealant
- Leaking tray & enclosure joints
- Botched or over-sealed joints
What the job involves on each surface
Movement & expansion joints
Joints filled with mortar, grout or rigid filler cannot move. We rake that out where it can be removed and seal with a flexible product.
Leaking trays & enclosures
If the tray is cracked, or the leak is from the valve or waste, sealant won’t fix it. We’ll tell you what we find.
Looking after it afterwards
Good habits help new joints last longer. A few tips:
- Ask why a joint failed before redoing it
- Keep an eye on the ceiling below the bathroom
- Keep bleach and abrasives off the bead
- Keep movement joints clear of mortar and paint
If we have found a cause, such as a loose tray or a leaking waste, get it fixed, because the new sealant cannot hold back a problem underneath.
Don’t keep resealing the same joint. Have someone find out why, or the next bead will go the same way.
How we quote for remedial sealant
Jobs vary more than people expect. The main factors:
- The size of the job
- The type of sealant required
- The number of rooms or windows
- How easy the joints are to reach
Doing several joints on one visit usually makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Helping us quote
Before you ask for a quote, have a think about:
- Any access issues, like height or stairs
- The problem you’ve noticed
- How many joints, rooms or windows are involved
- Photos by email, if that’s easy
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. When it suits you, call 0345 464 0079 or email us.
How it works
We work through the job in order: 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. In Lower Holloway, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.
- 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.
- We treat any mould and dry the joint thoroughly.
- The right product goes in, with backing where the joint moves.
- The joint is tooled and you’re told about anything else we found.
Getting ready for the visit
- Clear items away from the joints we’re working on
- Keep pets and children clear of the area while we work
- Let us know about parking restrictions
Get a quote
Need a quote? Please ring 0345 464 0079 or email us with a few details. We’ll explain what we’d do and give you a clear price before we start.