Greater London · England

Floor Joint Sealing in Fortune Green

Floor joint sealing across Fortune Green and nearby, with every bit of old sealant taken out first.

  • Floor edges that trap water and grime
  • Gaps between floors and kitchen plinths
  • Grout cracking in a straight line across a floor

Trusted floor joint sealing in Fortune Green

Floor joint sealing in Fortune Green

Across Fortune Green, we seal floor and skirting joints in homes and businesses. Each job starts with looking at the floor and the gap, since that decides which sealant suits. We’re often asked to deal with gaps at thresholds between rooms and cracked grout where a tiled floor needs a movement joint, on tiled floors, commercial floors and thresholds.

London homes range from new-build flats to period conversions with new floors laid over old boards. Every joint between floor, skirting and threshold has to cope with some movement.

A one-year guarantee comes with the work, just as it does everywhere we cover.

Mr Mastic applicators lined up beside the company vans, one holding a sealant gun
Where
Fortune Green (NW3, NW6, NW2)
Region
Greater London
Cover
12 months on all our work
Price
Quoted before any work starts
Phone
0345 464 0079
Last updated
26 October 2026

When to call us in Fortune Green

Water and dirt collect in open floor joints. In wet areas, water runs into the gap at every clean and behind skirting and plinths.

It’s worth asking for a quote if you see:

  • Floor edges that trap water and grime
  • Open gaps along the bottom of skirting boards
  • Worn sealant at door thresholds
  • Perimeter joints in tiled floors filled with grout

If you look after a church, hall or community building such as Church of St Luke, joints in its floors, skirtings and thresholds need resealing as they wear.

Comparing quotes

  • Whether you can choose the colour
  • What the quote includes, VAT included or not
  • How the joint is cleaned and prepared
  • Whether the sealant suits the joint

Our hiring checklist

How the visit works

Our applicators work methodically: protect, prepare, seal, tidy. For most jobs that takes a morning or an afternoon for most homes and we leave things clean and tidy. 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. First, the floor type, the gap and the traffic are checked.
  2. We remove what’s in the joint now.
  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. The joint is tooled neatly and the cure time explained.

Preparing for the visit

  • Let us know about parking restrictions
  • Keep pets and children clear of the area while we work
  • Mention any sign-in or site rules at work premises

Getting a quote

To get a quote, ring 0345 464 0079 or send us an email and tell us where the job is and what the problem looks like. We’ll send you a clear quote before any work starts.

Get a quick quote

Related advice

Floor joint sealing in Fortune Green: local notes

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’s why the skirting and threshold joints need a flexible seal. Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent.

Managing a site like St Luke's Church of England School? Then entrance and corridor floor joints take a lot of traffic. Fortune Green is in London, so parking needs planning: let us know about parking bays, permits or a driveway.

Fortune Green is about 1 mile west of Hampstead, in Greater London. Jobs in Fortune Green get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Fortune Green is one of 764 places in Greater London where we work for floor joint sealing. Our London page covers work nearby.

Jobs for floor joint sealing in NW3, NW6 and NW2 is quoted and booked the same way as anywhere else. Streets in the area include Mill Lane, Ajax Road and Sarre Road. Other places close to Fortune Green include West Hampstead (1 mile east), Childs Hill (1 mile north), Hampstead (1 mile east), Greenhill (1 mile east) and Vale of Health (1 mile north-east). Within a short drive, we also cover London (6 miles south-east), City of Westminster (3 miles south-east), Marylebone (3 miles south-east), Kensington (4 miles south), St Pancras (4 miles south-east) and Shoreditch (5 miles east).

Near you in Fortune Green

We work in homes and buildings around Holly Bush pub, St Vedasts School For Boys and Kilburn Grange Park. Fortune Green’s nearest station is West Hampstead Thameslink station, roughly 0.5 miles south. Nearby you will also find Montfichet's Tower (4.9 miles south-east) and O2 Centre (0.8 miles south-east). Open spaces near Fortune Green include The Long Water and Westbere Copse.

Map of Fortune Green © OpenStreetMap contributors

Why deal with it now?

Open joints along wet floors let water into the subfloor and behind skirting. Dealing with it early keeps the repair to the joint. In a flat in Fortune Green, failed sealant seldom stays inside your own four walls: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.

What you pay reflects the work, not guesswork. That is why we ask a few questions first.

Why us?

  • Anti-fungal sanitary silicone in wet areas
  • 20+ years of sealant experience
  • A choice of colours where the product allows
  • 4.9 on Google from 180+ five-star reviews

Take a look at how sealant jobs are priced and what customers say.

What we can’t put right

A few problems are outside what sealant work can do:

  • Loose, hollow or cracked tiles, which need a tiler
  • Concrete repairs beyond the joint
  • Large cracks that need a surveyor

If you are not sure, just phone 0345 464 0079 or send us an email and we will give you a straight answer.

Where we work in Fortune Green

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

DIY versus a professional finish

If you are set on DIY, put the effort into preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it fails, we can still redo it.

The biggest DIY mistake is sealing over old sealant. New silicone will not bond to old, so it lifts and traps water and mould underneath. Everything old must be removed first.

Looking after it afterwards

So the new joints stay in good condition:

  • Sweep along the edges of the floor
  • Ask before painting over a sealed joint
  • Avoid caulk in bathrooms and kitchens
  • Use a well-wrung mop rather than flooding the floor

Mop with a well-wrung mop rather than flooding the floor. Less water at the edges helps the joints last.

A gap under the skirting collects dust and lets draughts through. Sealing it keeps the room tidier.

Fortune Green questions

Is parking an issue for floor joint sealing in Fortune Green?

In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly.

I let a flat near West Hampstead Thameslink station. Can you help?

Yes. We work for landlords and letting agents as well as homeowners, and several properties can go on one quote. You can ring 0345 464 0079 or send us an email with the details for a clear quote.

Do you hold any approvals?

Yes. We are approved under the ARBOMaster scheme, the approved applicator scheme for Arbo sealants.

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

Often, yes. A crack along a grout line often means the floor needs room to move. We rake out that line and seal it with flexible sealant.

How much does floor joint sealing cost in Fortune Green?

Size, access and the old material all affect the cost. Ask us for a quote and we will talk you through it.

Are you insured?

Yes. We are fully insured, with over 20 years’ experience in sealant work.

Can I do it myself?

It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.

Do you work in Fortune Green?

Yes, we do. Fortune Green is part of the area we cover.

What affects the cost of floor joint sealing

Every job gets its own quote. This is what makes a difference:

  • Which sealant suits the joint
  • Whether old sealant or filler has to be cut out
  • How many areas need sealing
  • Mould in or behind the old joints

Leaving a failed joint generally makes the job bigger, not smaller. If you’re unsure, phone 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.

What to tell us for a quote

Before you ask for a quote, have a think about:

  • The type of property
  • Photos by email, if that is easy
  • The address or postcode of the job
  • Whether it has been sealed before

Asking for a quote is easy: let us know what needs doing and where. Photos by email help us understand the job, and we’ll take it from there.

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