Greater London · England
Remedial sealant & repairs in Lee, Greater London
We cover Lee for removing failed, mouldy or leaking sealant and putting it right. Old sealant removed completely, joints prepared properly.
- Beads that never stuck properly
- Repeat leaks from the same joint
- Caulk or the wrong sealant used in a wet area
How we handle remedial sealant in Lee
A joint that keeps letting you down needs more than another bead. It helps to have photos when you call 0345 464 0079 or send us an email. Common call-outs are for gaps opening along the back of the worktop and black mould underneath the bead, on leaking tray & enclosure joints, failed movement joints and mouldy bath & shower sealant.
Across London, a large share of homes are flats, conversions or mansion blocks, and many bathrooms sit right above someone else’s ceiling. That makes worn sealant and cracked grout in Lee more than a cosmetic job.
We guarantee the work for a year. If something is not right with it in that time, tell us and we will put it right.
- Location
- Lee (SE12, SE13, SE3)
- Wider area
- Greater London
- Cover
- One year on every job
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Movement from fittings that aren’t supported
- Older mastics that may need an asbestos check before removal
- Water damage behind tiles that needs a tiler
If in doubt, call 0345 464 0079 or email us and we will say what we think.
Where we work in Lee
- Botched or over-sealed joints
- Mouldy bath & shower sealant
- Shrunken worktop sealant
- Leaking tray & enclosure joints
- Failed movement joints
- Expansion joints
Keeping the joints in good condition
A little care helps the new joints last. We recommend:
- Deal with small splits early
- Always have old sealant cut out, not covered
- Keep movement joints clear of mortar and paint
- Check trays and worktops don’t move
Give the new sealant its full cure time: usually around 24 hours, or as long as we advise.
Do not keep resealing the same joint. Have someone find out why, otherwise the next attempt will fail too.
Why act early in Lee
It’s easy to scratch acrylic, enamel or an uPVC frame cutting out old sealant, and the residue left behind stops the next bead bonding. Careful stripping is where most of our time goes. Damp from a failed joint spreads quietly in older London brickwork and timber, and by the time it shows on a wall or ceiling in Lee, the repair is bigger than the sealant job would have been.
Doing several joints on one visit is usually more efficient than separate visits, so it’s worth mentioning everything you’d like done. We will send you a clear quote for the lot.
Why book with us
- Rated 4.9 stars on Google
- ARBOMaster approved applicator
- 12-month guarantee on every job
- We never seal over old sealant
Take a look at what affects the cost or what customers say.
How the visit works
Most of a good job is in the preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. In total, it generally takes a few hours for most joints, depending on how much old sealant has to come out. In Lee, as in most of London, parking needs a little planning. A visitor permit or a nearby bay makes the visit run more smoothly.
- First we work out whether the problem is the sealant, movement or a leak.
- Old beads and residue are removed down to clean surfaces.
- We treat any mould and dry the joint thoroughly.
- We reseal with a product suited to the joint, backed where needed.
- We finish neatly and point out anything that needs another trade.
Before we arrive
- Clear the area around the work
- Keep pets and children clear of the area while we work
- Let us know about parking restrictions
Getting a quote
Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you are ready, call 0345 464 0079 or send us an email.
Read more
What the job involves on each surface
Mouldy bath & shower sealant
Mould often spreads under the bead as well as through it. We treat the exposed joint once the bead is out so the new sealant starts clean.
Worktops & kitchens
Old kitchen sealant pulls back from the wall over time. We strip it, degrease the joint and reseal colour-matched to the worktop.
What affects the cost of remedial sealant
The price is agreed before any work begins. It’s based on:
- Whether old sealant or filler has to be cut out
- Any working-time requirements on site
- How many rooms, windows or areas are involved
- The product the joint needs
Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we’ll go through it with you.
Asking for a quote
What to tell us when you ask for a quote:
- How we’d reach the joints
- The type of property
- Where the job is, and your postcode
- Roughly how big the job is
For a quick quote, get us on the phone, or send an email if you’d rather. Tell us about the joints that need doing and we will talk you through the work.
DIY versus a professional finish
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.
Some sealant jobs are within reach of a careful DIYer, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Towns and villages near Lee
Other services in Lee
Bathrooms and kitchens in Lee
London has a lot of flats and conversions, and a failed shower or bath seal in one can show up on the ceiling below, which is why it’s worth fixing early. Lee has hotels and guest accommodation nearby. Hotel bathrooms are part of our work as well as homes, and can be done room by room.
As a London address, Lee can be tricky for parking: let us know about parking bays, permits or a driveway. Managing a site like Brindishe Lee School? Then its toilets, changing areas and kitchens need their sealant renewed like any other building’s. In the older streets around Church of the Good Shepherd, older homes can move a little, which is hard on rigid grout and tired sealant.
Lee is about 2 miles south of Greenwich, in Greater London. Jobs in Lee get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Across Greater London, we cover 764 places, Lee among them. You can also see our page for London, about 6 miles away.
We work across the SE12, SE13 and SE3 postcode area for remedial sealant and the streets around it. Local streets include Old Road, Manor Lane and Mallet Road, all of which we cover. If you’re just outside Lee, we cover Hither Green (1 mile west), Horn Park (1 mile south-east), Lewisham (1 mile north-west), Ladywell (1 mile west) and Blackheath (1 mile north). Within a short drive, we also cover London (6 miles north-west), City of Westminster (8 miles north-west), Marylebone (8 miles north-west), Kensington (10 miles west), St Pancras (7 miles north-west) and Shoreditch (6 miles north-west).
Near you in Lee
Around Lee, our work takes us to homes and buildings near Manor House Gardens, Trinity Church of England School and International Academy of Greenwich, among other places. Lee has its own railway station: Lee station. Nearby you will also find Lewisham Shopping Centre (1.1 miles north-west) and Prefab Museum (1.3 miles south). Not far away are Summer Hill and Birdbrook Road Nature Reserve.
Questions from Lee
Is parking a problem for a job in Lee?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
I let a flat near Lee station. Can you help?
Yes. We work for letting agents and landlords as well as householders, and several properties can be quoted together. You can phone 0345 464 0079 or send us an email with the details for a clear quote.
Can you remove old sealant without damaging the bath?
Yes. The old bead is cut and lifted with tools that suit the surface, and the residue is cleaned away. Any existing damage is pointed out before any work starts.
Can I do it myself?
That depends on the joint. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
What if the leak is not the sealant?
Then we explain what we’ve found. A plumber or fitter may be needed before any new sealant goes on.
Can I choose the sealant colour?
We’ll suggest a colour to suit the surroundings. The product needed can limit the range.
What does remedial sealant cost?
The cost depends on the size of the job, access and how much old sealant has to come out. Ask us for a quote.
Do you cover Lee?
We do. Lee is part of the area we cover.