Greater London · England
Remedial sealant & repairs in Richmond upon Thames, Greater London
Specialist remedial sealant for Richmond upon Thames: careful preparation, the right product and tidy work. Ask us for a quick quote.
- Repeat leaks from the same joint
- Products that weren’t meant for the joint
- Thick, messy sealant smeared over tiles
Signs you need remedial sealant in Richmond upon Thames
Joint depth matters. A bead bonded on three sides, or laid too thick, cannot flex, so it tears when the joint moves. Backing rod or bond-breaker tape prevents it.
Most people get in touch when they notice one of these:
- Floor or wall movement joints that have failed
- Products that weren’t meant for the joint
- Gaps opening along the back of the worktop
- Beads that never stuck properly
If you live in an older home near Holy Trinity Richmond, older homes can move a little, which is hard on rigid grout and tired sealant.
What your quote should include
- Who does the work, and how experienced they are
- What happens if they find a problem under the old sealant
- Whether VAT is included
- Which sealant they’ll use, and why
About our remedial sealant in Richmond upon Thames
Remedial jobs in Richmond upon Thames usually fall into a few patterns: sealant over sealant, mould under the bead, leaks that come back and movement joints that have split. We strip each one back and start from scratch. Typical jobs include sealant applied over old sealant that has lifted and worktop sealant that has shrunk and split, on mouldy bath & shower sealant, expansion joints and leaking tray & enclosure joints.
London’s water is hard, so limescale builds up along sealant lines, in grout and on fittings. In Richmond upon Thames, remedial sealant is as much about a room looking cared for as about keeping water out.
There’s a 12-month guarantee on every job, whatever its size.
- Location
- Richmond upon Thames (TW9, TW10, SW14, TW1)
- Region
- Greater London
- Guarantee
- One year on every job
- Quote
- Quoted before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Honest limits
Before you book, it’s worth knowing the limits too:
- Older mastics that may need an asbestos check before removal
- Tiles that have come away from the wall
- Leaks from a shower valve, waste or pipework (a plumber’s job)
If in doubt, ring 0345 464 0079 or email us and we’ll say what we think.
What we seal
- Shrunken worktop sealant
- Failed movement joints
- Leaking tray & enclosure joints
- Mouldy bath & shower sealant
- Expansion joints
- Botched or over-sealed joints
Leave it or put it right?
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 a flat in Richmond upon Thames, failed sealant seldom stays inside your own four walls: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs. Ask us for a quote and we will explain what it covers.
Why us?
- White, clear, grey or coloured to suit, where the product allows
- Colour picked to suit the job
- An ARBOMaster approved applicator
- 20+ years of sealant experience
Read how sealant jobs are priced and customer reviews.
Quotes for remedial sealant in Richmond upon Thames
There’s no set price list, because jobs vary so much. What we look at:
- Whether old sealant or filler has to be cut out
- The size of the job
- Whether the work is at height
- Whether there’s mould to deal with
Instead of a standard rate, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
Helping us quote
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- The type of property
- Where the job is, and your postcode
- How many joints, rooms or windows are involved
- How we’d reach the joints
A good description makes for an accurate quote. Let us know the location, the problem and roughly how many joints, and email pictures if that’s easy.
Richmond upon Thames 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.
Rented homes near Richmond station change hands often, and botched sealant from a previous quick fix is easier to strip out between tenants. As a London address, Richmond upon Thames can be tricky for parking: let us know about parking bays, permits or a driveway.
Richmond upon Thames is about 3 miles south of Ealing, in Greater London. If you need remedial sealant in Richmond upon Thames, please ring 0345 464 0079 or send us an email for a quick quote. We cover Greater London from our Crawley base, Richmond upon Thames included. Our Greater London coverage runs to 764 places, Richmond upon Thames among them. We also work in London, around 9 miles away.
All of TW9, TW10, SW14 and TW1 is within our area for remedial sealant. Local streets include Church Road, King George Square and Topiary Square. Main roads around Richmond upon Thames include the B321 and B322, so getting to you is simple. If you’re just outside Richmond upon Thames, we cover North Sheen (1 mile north-east), East Sheen (1 mile east), Mortlake (1 mile east), Kew (2 miles north-east) and Strand-on-the-Green (2 miles north-east). Further out, we also cover London (9 miles east), City of Westminster (7 miles north-east), Marylebone (8 miles north-east), Kensington (5 miles north-east), St Pancras (9 miles north-east) and Shoreditch (10 miles north-east).
Near you in Richmond upon Thames
We work in homes and buildings around Pesthouse Common, The White Horse Richmond pub and Kneller Hall Junior School, among other places. There’s a railway station in Richmond upon Thames itself: Richmond station. A little further out are Eel Pie Island Museum (1.5 miles south-west) and Treaty Centre (3 miles west). Green spaces nearby include Duke's Hollow and Richmond Hill.
Landlord and commercial work in Richmond upon Thames
Failed sealant is one of the commonest items on a check-out report. We can quote for more than one property at once.
Hotels need rooms back in use, so the work can be planned room by room. We’ve worked in hotels as well as homes and businesses.
Questions from Richmond upon Thames
Can you help a landlord with a rental near Richmond station?
Yes, we work for letting agents and landlords. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
Do you take on hotel work around Richmond upon Thames?
Yes. Hotel and guest-house work is part of what we do. Work can be planned room by room, and out-of-hours working can be arranged.
Where do you work from?
We’re a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.
Are you ARBOMaster approved?
Yes. Mr Mastic is an ARBOMaster approved applicator.
Can I do it myself?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs.
When is the sealant fully cured?
That depends on the sealant used, so follow the cure time we give you when we finish.
Someone resealed my shower and it’s leaking again. Can you help?
Yes. All the sealant comes out, we find out why it failed, and the joint is resealed properly.
Do you come to Richmond upon Thames?
Yes. From our base in Crawley, we cover South East England, London and all of Scotland.
How it works
On the day, there’s very little for you to do. Show us the job and we’ll take it from there. The work itself takes a few hours for most joints, depending on how much old sealant has to come out from start to finish. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. 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.
- We reseal with a product suited to the joint, backed where needed.
- The joint is tooled and you’re told about anything else we found.
How to prepare
- Clear items away from the joints we are working on
- Tell us about any water getting in
- Keep pets and children clear of the area while we work
Ask for a quote
We quote each job on its own. Just phone 0345 464 0079 or send us an email with the details, and pictures are welcome.
Related advice
Should I try it myself first?
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.