Greater London · England
Floor & skirting joints in South Harrow, Greater London
Sealing skirting-to-floor joints, tiled floor movement joints and concrete floor joints for homes and businesses in South Harrow and across Greater London. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Open joints that fill with dirt
- Grout cracking in a straight line across a floor
- Worn sealant at door thresholds
Floor joint sealing in South Harrow, done properly
Wet-area floor joints keep water out of the gap behind skirting and plinths. We seal them with a flexible, water-resistant sealant. If you are dealing with gaps between floors and kitchen plinths and cracked grout where a tiled floor needs a movement joint, we can put it right.
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.
Whatever the size of the job, it’s backed by our 12-month guarantee.
- Where
- South Harrow (HA2, HA1, UB5)
- Wider area
- Greater London
- Guarantee
- One year on every job
- Price
- A clear price before we start
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
How the job changes by surface
Wet room and bathroom floors
In a wet room, the floor-to-wall joint is a key line of defence. It’s resealed with a sanitary silicone, and we’ll tell you if the leak seems to come from elsewhere.
Concrete floor joints
We clean concrete joints out thoroughly before sealing, vacuuming them clean. Backing goes in where the depth needs controlling.
Signs you need floor joint sealing in South Harrow
Concrete floor joints break down when traffic runs over open or failed joints. Pallet trucks and trolleys knock the edges away and the joint gets wider.
It’s worth asking for a quote if you see:
- Open joints around bathroom floor edges
- Worn sealant at door thresholds
- Grout used at the floor edge instead of sealant
- Cracked grout where a tiled floor needs a movement joint
As a London address, South Harrow can be tricky for parking: let us know about parking bays, permits or a driveway.
What your quote should include
- How long the guarantee is
- What insurance they hold
- Is the old sealant removed completely?
- How the surfaces are prepared before sealing
Floor joint sealing in South Harrow: local notes
Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent. Floors around Greater London run from suspended timber in older homes to concrete in newer houses and units, and each moves in its own way. That is why the skirting and threshold joints need a flexible seal.
For landlords with property near Northolt Park station, gaps at skirtings and thresholds are worth sealing between tenancies. If you look after a building such as The Welldon Park Academy, floor joints in corridors, halls and entrances take heavy wear and need resealing before the edges break up.
South Harrow is about 1 mile south of Harrow, in Greater London. From the centre of South Harrow to the outskirts, floor joint sealing is available for homes and businesses alike. Across Greater London, we cover 764 places, and South Harrow is one of them. There’s also a page for London, about 12 miles away.
Work in HA2, HA1 and UB5 is quoted and booked the same way as anywhere else. Floor joint sealing is available to properties on Park Lane, Grange Road and Dudley Road. If you are just outside South Harrow, we cover Roxeth (1 mile north-east), Harrow (1 mile north), Harrow on the Hill (1 mile east), Rayners Lane (1 mile north-west) and Northolt (1 mile south-west). We also work in nearby towns such as London (12 miles east), City of Westminster (9 miles east), Marylebone (9 miles east), Kensington (8 miles south-east), St Pancras (10 miles east) and Shoreditch (12 miles east).
What’s near South Harrow
Around South Harrow, our work takes us to homes and buildings near Orley Farm School, Northwick Park and St Dominic's Sixth Form College. The closest station to South Harrow is Northolt Park station, roughly 0.5 miles south-west of the centre. Nearby you will also find St. George's Shopping Centre (1.3 miles north-east) and Kodak Museum (2 miles north). For a walk, there’s Middle Lake and Northala Fields.
How the visit works
Before we leave, we go over the finished joints with you. The work normally takes a few hours, depending on the length of joint, depending on the size of the job. In a London area like South Harrow, the main things to plan are parking and access: let us know about parking, the floor we’ll be working on and any lift or shared entrance.
- First we check the joint and the floor and agree which sealant suits it.
- Old caulk, grout or sealant is removed from the joint.
- We clean and vacuum the joint and fit backing where the depth needs setting.
- A flexible sealant, or a floor-joint sealant for concrete, is applied in a colour to suit.
- We tool the joint neatly and tell you when it can be walked on and cleaned.
Preparing for the visit
- Clear the area around the work
- Mention any sign-in or site rules at work premises
- Tell us if parking is tricky
Get a quote
Call for a quick quote, or email us if that is easier. Tell us about the joints that need doing and we’ll explain what’s involved before giving you a price.
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Aftercare tips
How long the joints last depends on use and care. We suggest:
- Lift furniture rather than dragging it across joints
- Walk round the room once a year and look at the edges
- Check the sealant is paintable before decorating
- Avoid sloshing water against skirting
Follow the cure time before walking on or cleaning the joint. Light foot traffic is normally fine sooner than wet cleaning or wheels, and we’ll tell you both.
Once concrete joint edges start to break, wheels make it worse. Sealing them early protects the edges.
Leave it or put it right?
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 South Harrow, 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.
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. The price is agreed before we begin.
Why book with us
- Homes, businesses and hotels
- Neat joints and a tidy finish
- Quality sealants from Arbo and Everbuild
- We never seal over old sealant
Take a look at what affects the cost or customer reviews.
What affects the quote in South Harrow
Jobs vary more than people expect. What affects the quote:
- Access and height
- Whether there’s mould to deal with
- Working hours on commercial sites
- Whether old sealant or filler has to be cut out
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please phone 0345 464 0079 or send us an email.
What to tell us for a quote
Photos by email are helpful but not essential. Please mention:
- Where the job is, and your postcode
- If it’s domestic, commercial or a hotel
- A few pictures by email, if you can
- What the problem is, such as mould, gaps, leaks or cracking
Need a quote? Please ring 0345 464 0079 or drop us an email and tell us about the job. You will know what we plan to do, and what it will cost, before any work begins.
Your questions about floor joint sealing in South Harrow
I let a flat near Northolt Park station. Can you help?
Yes. We work for landlords and letting agents as well as homeowners. Just phone 0345 464 0079 or send us an email with the address and what needs doing, and we will give you a clear price.
Is South Harrow in your area for floor joint sealing?
Yes. Our work covers London and the South East, and South Harrow is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will give you a clear quote.
Is there any odour?
There can be a smell while the sealant cures, but it fades. Opening a window helps.
What do you put in the joint?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. Brands we use include Arbo and Everbuild.
How much does floor joint sealing cost in South Harrow?
It depends on the job, so we quote each one individually. To get one, ring 0345 464 0079 or drop us an email and let us know what needs doing and where.
Should I try DIY first?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
Will I be able to paint over the new joint?
It depends on the sealant, so let us know first. We use a paintable flexible sealant on joints you plan to paint and wet areas get silicone.
How soon can the floor be mopped?
Follow the cure time we give you. Feet are generally fine first, then mopping, then heavy wheels in most cases.
Landlords, agents and businesses in South Harrow
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will quote.