Greater London · England
New-build mastic & snagging in Little Chelsea, Greater London
We cover Little Chelsea for plot mastic for developers and snagging failed sealant in new homes. Old material cut out, joints cleaned and sealed neatly and every job guaranteed for a year.
- Cracks appearing as a new home settles
- Internal frame sealant that has split
- Sealant work across a run of new homes
New build mastic for homes and businesses in Little Chelsea
Developers send us the plot schedule and we work through it. We seal bathrooms, kitchens, windows, doors and skirting so plots are ready to hand over with a sealant suited to each area. If you have cracks appearing as a new home settles and cracked caulk along new skirting, 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.
Each job carries a 12-month guarantee.
- Where
- Little Chelsea (SW10, SW3, SW7)
- Region
- Greater London
- Cover
- 12 months on all our work
- Price
- A clear price before we start
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
How the visit works
You don’t need to clear the whole room or building before we come, just the space around the work. We protect the rest, and the job takes anything from a few hours to several days, depending on the number of plots for a typical job. In a London area like Little Chelsea, the main things to plan are parking and access: let us know about parking, the floor we will be working on and any lift or shared entrance.
- First we work through your snagging list or plot schedule with you.
- We cut out every bit of the failed or messy sealant.
- Each joint is cleaned of dust and grit, then primed if required.
- A sealant chosen for each area goes in and is tooled smooth.
- We check every joint and tell you how long each needs to cure.
Preparing for the visit
- Tell us if parking is tricky
- Let us know about stairs, lifts or work at height
- Clear the area around the work
How to get a quote
Call for a quick quote, or send an email if you’d rather. Tell us about the joints that need doing and we will explain what’s involved and give you a clear price.
Related advice
Why act early in Little Chelsea
A quick bead over the top of the old sealant can look fine at first, but it won’t bond to the old layer. A lasting seal starts with removing the old one completely. Converted houses in London often have a bathroom above someone else’s living room, and a slow leak from a failed seal can end up in the flat below. Dealing with it early is far simpler for homes in Little Chelsea.
Some things make a job bigger or smaller: how much old sealant there is and how stubborn it is, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.
Why us?
- Old sealant always removed completely
- Colour agreed with you before work begins
- More than 20 years in sealant work
- Experience in homes, commercial sites and hotels
Read our cost guide and customer reviews.
What affects the cost of new build mastic
The quote reflects the job in front of us. We look at:
- Any mould that needs treating
- Whether old sealant or filler has to be cut out
- How easy the joints are to reach
- The product the joint needs
Combining jobs into one visit usually makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. You’ll get one clear quote for the whole job.
Asking for a quote
Before you ask for a quote, have a think about:
- Roughly how big the job is
- The address or postcode of the job
- Whether it’s a home or a business
- How we’d reach the joints
We do not publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, call 0345 464 0079 or email us.
What sealant work can’t fix
To be straight with you, there are a few things sealant won’t fix:
- Cracked trays, tiles or worktops
- Your warranty claim itself, which is between you and the builder
- Plumbing faults behind the sealant
Not sure which it is? You can ring 0345 464 0079 or drop us an email and we’ll tell you honestly.
Joints and surfaces we work on
- Skirting & floors
- Windows & doors
- Show homes
- Kitchens
- Plot handovers
- Bathrooms & en suites
FAQs for Little Chelsea
Do you work for landlords with property near Imperial Wharf station?
Yes, we work for letting agents and landlords. Just call 0345 464 0079 or email us and tell us about the property, and we will give you a clear price.
Is Little Chelsea in your area for new build mastic?
Yes. Our work covers London and the South East, and Little Chelsea is part of that. You can phone 0345 464 0079 or send us an email and let us know what needs doing, and we’ll give you a clear quote.
Is there any odour?
That depends on the sealant. Some products have a noticeable smell, others very little.
How do I get a quote for new build mastic in Little Chelsea?
There’s no set price, as it depends on the job: how much there is, what’s there now, how we reach it and what it needs. You’ll get a clear quote before we start.
Do I have to be there?
If the work is inside, we need someone to let us in. After that, you can carry on with your day.
Is the work guaranteed?
Yes. Every job comes with our one-year guarantee.
Is it messy?
Very little: the area around the joints is protected first, and we tidy up before we go.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises. We can talk about working times when we quote.
Should I try it myself first?
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
Surface by surface
Bathrooms and en suites
En suite seals are easy to miss on a snagging list until they leak. A proper reseal keeps water in the tray.
Skirting and floors
New homes often develop a gap between skirting and floor. A flexible sealant closes it without cracking like caulk.
New build mastic around Little Chelsea
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent.
If you’ve bought a new home near Imperial Wharf station, the sealant around baths, showers and frames is worth checking in the first year or two.
Little Chelsea is about 1 mile north of World's End, in Greater London. For new build mastic in and around Little Chelsea, it’s easy to get a quote: please phone 0345 464 0079 or drop us an email. We are based in Crawley and cover Greater London. Our area takes in 764 places across Greater London, large and small.
Jobs for new build mastic in SW10, SW3 and SW7 is quoted and booked the same way as anywhere else. That includes homes and businesses on Ann Lane, King's Road and Lamont Road. Other places close to Little Chelsea include World's End (1 mile south), South Kensington (1 mile north), Chelsea (1 mile north-east), Chelsea Harbour (1 mile south) and Walham Green (1 mile south-west). Within a short drive, we also cover London (4 miles east), Marylebone (3 miles north-east), St Pancras (4 miles north-east), Shoreditch (5 miles north-east), Walthamstow (10 miles north-east) and Hoxton (5 miles north-east).
Landmarks near Little Chelsea
Typical jobs here are in homes near Burton’s Court, English National Ballet School and Natural History Museum Library and Archives and the streets around them. Also close by are Chelsea Academy (0.5 miles south-west) and The World's End pub (under half a mile south). Little Chelsea’s nearest station is Imperial Wharf station, roughly 0.7 miles south of the centre. Other landmarks nearby include Baynard's Castle (3.8 miles north-east) and Chelsea Stadium Tour And Museum (0.6 miles south-west). Open spaces near Little Chelsea include Campden Hill and WWT London Wetland Centre.
Common problems we fix in Little Chelsea
When the heating goes on in the first winter, the house dries fast. Skirting, frames and worktops pull away slightly and cracked sealant shows up.
The most common problems we see are:
- Messy sealant that spoils new finishes
- Gaps behind new kitchen upstands
- Cracked sealant around new window and door frames
- Second-fix sealing on new plots
As a London address, Little Chelsea can be tricky for parking: let us know about parking bays, permits or a driveway.
Before booking anyone
- What product goes in the joint
- What the cure time is
- How hidden problems are handled
- How the colour is chosen