Greater London · England

Floor & skirting joints in Covent Garden, Greater London

Sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints in Covent Garden, with a 12-month guarantee on every job. Call for a quick quote.

  • Open joints around bathroom floor edges
  • Failed joint filler in concrete floors
  • Perimeter joints in tiled floors filled with grout

Trusted floor joint sealing in Covent Garden

What we cannot put right

Sealant isn’t the answer to every problem, and we’d rather say so up front. It won’t solve:

  • Water getting under the tiles from elsewhere
  • Tiles that have lifted or broken
  • Subfloor problems that need a flooring contractor

If in doubt, phone 0345 464 0079 or send us an email and we will say what we think before booking.

Surfaces we seal

  • Concrete floor joints
  • Wet room & bathroom floors
  • Tiled floors
  • Skirting boards
  • Commercial floors
  • Thresholds

Floor joint sealing in Covent Garden

Floor joint sealing is mostly about choosing the right product and preparing the joint. Old caulk, grout or failed sealant comes out first, the joint is cleaned and backed where needed, then the new sealant goes in. We’re often asked to deal with caulk that has cracked where the floor moves and tiled floors with no room to move, on concrete floor joints, skirting boards and wet room & bathroom floors.

London homes range from new-build flats to period conversions with new floors laid over old boards. Wherever a floor meets a wall, a skirting or a threshold, the joint has to allow for movement, in Covent Garden as anywhere.

There’s a 12-month guarantee on every job, large or small.

Place
Covent Garden (W1F, W1D, W1T)
Region
Greater London
Guarantee
A year, on every job
Price
A clear price before we start
Call
0345 464 0079
Page updated
26 October 2026
Mr Mastic applicators lined up beside the company vans, one holding a sealant gun

What floor joint sealing looks like in Covent Garden

Across Greater London, floors range from older suspended timber floors to concrete slabs in newer homes and commercial units, and they do not all move the same way. That is why the skirting and threshold joints need a flexible seal. Many of London’s new homes are flats in bigger developments, where snags may need reporting through the developer or the managing agent.

If you let a flat or house near London Charing Cross station, open skirting and floor joints collect dirt and water, so seal them while the property is empty. For buildings such as Crown Court Church, joints in its floors, skirtings and thresholds need resealing as they wear. For site and facilities teams at buildings such as St Clement Danes CofE Primary School, entrance and corridor floor joints take a lot of traffic.

Covent Garden is about 1 mile east of City of Westminster, in Greater London. Every kind of property in Covent Garden is covered for floor joint sealing, old or new, large or small. The work is guaranteed for a year. Covent Garden is one of 764 towns and villages in Greater London we cover for floor joint sealing.

Here we cover the W1F, W1D and W1T postcode area for floor joint sealing. You’ll find streets such as Duck Lane, Drury Lane and New Square. You will find Covent Garden on the A301 and A400, so it’s easy for us to get to. Close by, we work in Seven Dials (1 mile west), Aldwych (1 mile east), Adelphi (1 mile south), St Giles (1 mile north-west) and Clare Market (1 mile north-east). We also work in nearby towns such as Kensington (4 miles west), Walthamstow (7 miles north-east), Hampstead (4 miles north-west), Ruislip (13 miles west), Stockwell (3 miles south) and Orpington (13 miles south-east).

Local landmarks in Covent Garden

Around Covent Garden, our work takes us to homes and buildings near Victoria Embankment Gardens, London Nautical School and Mercers' School. Also close by are Punch & Judy pub (under half a mile south-west) and LSE Shaw Library (under half a mile north-east). There’s a railway station in Covent Garden itself: London Charing Cross station. Other landmarks nearby include Montfichet's Tower (0.9 miles east) and Savoy Hospital (under half a mile south-east). For a walk, there’s Ludgate Hill and Barnsbury Wood.

Map of Covent Garden © OpenStreetMap contributors

How it works

All our tools and materials come with us in the van, so there’s nothing for you to buy. After a quick look at the joints together, the area is protected and the work begins. It normally takes a few hours, depending on the length of joint. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.

  1. We start by checking the floor, the joint and what traffic it takes.
  2. Any old caulk, grout or sealant is raked or cut out.
  3. We vacuum out the joint and add backing where the depth needs setting.
  4. The chosen sealant goes in, coloured to suit the floor.
  5. We tool it neatly and tell you when it can be walked on and cleaned.

Getting ready for the visit

  • Mention if the joints have been sealed before
  • Mention any tricky access
  • Mention any leaks or damp you’ve noticed

Ask for a quote

Every job is quoted individually, so the first step is telling us about yours. Simply call 0345 464 0079 or send us an email and describe the job and send pictures if you have them.

Get a price

Read more

Questions from Covent Garden

Is parking a problem for a job in Covent Garden?

Parking in Covent Garden, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when you book.

Can you help a landlord with a rental near London Charing Cross station?

Yes, we work for landlords and agents. You can phone 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before we start.

Do you have insurance?

Yes. Full insurance covers our work, and we can confirm the details when we quote.

Is caulk good enough for skirting?

Not where the floor moves or gets wet. It splits once the floor shifts and the gap reopens. A flexible sealant is the better choice.

Is the work guaranteed?

Yes. Every job comes with our one-year guarantee.

My floor grout keeps cracking in a line. Can you help?

In many cases, yes. Where a floor needs one, we rake out grout along the right line and replace it with flexible sealant coloured to suit. Loose or cracked tiles need a tiler first.

Why does the gap under my skirting keep coming back?

It’s normally the floor moving: timber drying in winter, floors settling, or caulk that cannot stretch. A flexible sealant stays closed as the floor moves.

How long does the job take?

As a guide, most jobs take a few hours, depending on the length of joint. Bigger jobs take longer, and we’ll say how long yours will take.

How the job changes by surface

Thresholds

Where a tiled floor meets timber or carpet, the joint takes movement from both sides. We bridge them with a flexible bead.

Tiled floors

The edge of a tiled floor, where it meets the wall or skirting, should be a flexible joint. Grout at the edge is removed and replaced with sealant.

What happens if it’s left?

Not every floor joint takes the same sealant: skirting and tiled floors need flexibility, wet areas need water resistance and concrete needs a product suited to wheels. Using the wrong one is why many floor joints fail. In a flat in Covent Garden, 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’ll explain what it covers.

Why book with us

  • White, clear, grey or coloured to suit, where the product allows
  • We never seal over old sealant
  • Over 20 years’ experience
  • ARBOMaster approved applicator

Take a look at our cost guide or our reviews.

What affects the quote in Covent Garden

Jobs vary more than people expect. What affects the quote:

  • How much old sealant there is and how hard it is to remove
  • The amount of work
  • Any mould that needs treating
  • The product the joint needs

Doing several joints on one visit is usually more efficient than separate visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.

Asking for a quote

When you contact us, these details help:

  • The address or postcode of the job
  • Pictures of the joints, sent by email
  • What’s wrong with the joints now
  • Access, such as stairs, a lift or height

We do not publish a price list. Instead, your job gets its own clear quote. To arrange one, phone 0345 464 0079 or email us.

How to look after the new joints

Good habits help new joints last longer. A few tips:

  • Keep floor cleaning water to a minimum at the edges
  • Check skirting joints after the heating season
  • Don’t slide heavy items over sealed joints
  • Do not paint over silicone

In commercial units, keep pallet trucks and heavy wheels off new joints until they’ve cured. Cone off the area if needed until it’s ready.

Water getting into floor joints in bathrooms and kitchens can damage what’s underneath. A sound seal stops that happening.

DIY versus a professional finish

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.

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.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job