Greater London · England
New-build mastic & snagging in Battersea, Greater London
Plot mastic for developers and snagging failed sealant in new homes for homes and businesses in Battersea and across Greater London. ARBOMaster approved applicators, fully insured, with a 12-month guarantee.
- Worktop and upstand sealant coming away
- Shower seals failing in the first year or two
- Gaps opening as the house dries out and settles
New build mastic in Battersea
Across Battersea, we work for both new-home owners and the builders handing those homes over. One shower or a whole phase of plots, the method does not change: remove, clean, prime where needed, then a neat new bead. We work on plot handovers, kitchens and skirting & floors, and the jobs we see most are new-build shower sealant that has already split and joints pulling apart as timber shrinks.
From brand-new flats to converted terraces with new flooring, London has every kind of floor. Every joint between floor, skirting and threshold has to cope with some movement, in Battersea as anywhere.
A 12-month guarantee comes as standard, so you are not left on your own once the job is done.

- Location
- Battersea (SW11, SW18, SW4)
- Wider area
- Greater London
- Guarantee
- 12 months on all our work
- Quote
- A clear price before we start
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Keeping the joints in good condition
Aftercare is simple:
- Raise failed sealant with the developer while you are covered
- Do not wait for the house to settle if water is getting through
- Resist patching a failed seal with a tube from the DIY shop
- Ventilate bathrooms well, especially in the first year
Keep the bathroom ventilated, especially in the first year. Use the extractor fan or open a window after showers.
If a shower tray or bath seal splits in the first year, look for movement. Getting it resealed properly, and any movement checked, stops it recurring.
Signs you need new build mastic in Battersea
Once people move in, baths and trays take weight and bed down. A bath sealed empty drops slightly when filled, straining the joint.
These are the problems we are asked about most:
- Sealant applied over dusty or wet surfaces
- Messy sealant that spoils new finishes
- Gaps opening as the house dries out and settles
- Cracked caulk along new skirting
As a London address, Battersea can be tricky for parking: let us know about parking bays, permits or a driveway.
Questions to ask before booking
- How the joint is cleaned and prepared
- Who does the work, and how experienced they are
- How hidden problems are handled
- Which sealant they’ll use, and why
Your questions about new build mastic in Battersea
Is parking an issue for new build mastic in Battersea?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.
Is Battersea in your area for new build mastic?
Yes. Our work covers London and the South East, and Battersea is part of that. You can phone 0345 464 0079 or drop us an email and let us know what needs doing.
Do you use white or clear sealant?
We use white, clear or a colour to suit the finishes. Tell us what you’d like when you get a quote.
Do the sealants smell?
It depends on the product. Some products have a noticeable smell, others very little, and any smell fades as they cure.
Can tenants book the work?
We are happy to deal with the tenant, landlord or agent. Just make sure your landlord agrees.
Which products do you use?
It depends on the joint: anti-fungal sanitary silicone in wet areas, and other sealants where joints move or face the weather. We use products from Arbo and Everbuild.
Can landlords and businesses book you?
Yes. Domestic, commercial and hotel work are all part of what we do.
How long before the joint can be used?
It depends on the product and the conditions. We tell you how long to leave it before we go.
How it works
On the day, we look over the joints with you first, so you know exactly what we are doing. We protect the surfaces around the joints before any work begins. Most jobs take anything from a few hours to several days, depending on the number of plots. For a job in Battersea, parking and access are the things to plan: let us know about parking, the floor we’ll be working on and any lift or shared entrance.
- Each joint is checked for movement before work begins.
- We remove the failed sealant and clean the joints.
- We make sure the joints are dry and prime them if needed.
- Baths are filled with water, then the new sealant is applied.
- The finished joints are checked and the cure times given.
Preparing for the visit
- Mention any parking rules near the property
- For indoor joints, keep the area dry beforehand if you can
- For business premises, tell us about site rules or sign-in
Getting a quote
For new build mastic in Battersea, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Advice
Why act early in Battersea
A failed shower or bath seal in a new home lets water into floors and walls that are still drying out. Resealing promptly protects the new finishes around it. Converted houses in London often have a bathroom above someone else’s living room, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Dealing with it early is far simpler for homes in Battersea.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, plus any working-time requirements on site. Call for a quick quote and we’ll explain what it covers.
What you get with us
- 4.9 on Google from 180+ five-star reviews
- Sanitary silicone with an anti-fungal additive in wet areas
- Homes, businesses and hotels
- ARBOMaster approved applicator
Take a look at how sealant jobs are priced and what customers say.
When it is not the sealant
We won’t take on work that will not last, so these are the limits:
- Leaks from pipes, valves or wastes, which need a plumber
- Disputes or warranty claims with your builder
- Settlement cracks that need a surveyor
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
Joints and surfaces we work on
- Bathrooms & en suites
- Kitchens
- Plot handovers
- Skirting & floors
- Windows & doors
- Show homes
Other services in Battersea
DIY versus a professional finish
A careful DIYer can reseal a simple joint, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. All the old material has to come out first.
What the job involves on each surface
Bathrooms and en suites
En suite seals are easy to miss on a snagging list until they leak. Resealing properly keeps water where it belongs.
Windows and doors
The gap between a new frame and its plaster reveal often opens up. We remove cracked sealant and apply a flexible one that suits the frame.
Joints and finishes in Battersea homes
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. Many of London’s new homes are flats in bigger developments, where snags may need reporting through the developer or the managing agent.
For new homes near Clapham Junction station, it’s worth checking the sealant early, while snags are still fresh.
Battersea is about 3 miles south-east of Kensington, in Greater London. Homes, rented property, offices and hotels in Battersea can book us for new build mastic, old or new, large or small. The work is guaranteed for a year. Our area takes in 764 places across Greater London.
All of SW11, SW18 and SW4 is covered for new build mastic, from the main roads to the quietest streets. Streets in the area include York Road, Este Road and Home Road. Battersea is on the A3207, which makes it straightforward to reach. Neighbouring places we cover for new build mastic include Clapham Junction (1 mile north-west), Sands End (1 mile north-west), Chelsea Harbour (1 mile north-west), Wandsworth (1 mile south-west) and Clapham (1 mile east). Larger places within reach include London (4 miles north-east), City of Westminster (4 miles north), Marylebone (4 miles north), Kensington (3 miles north-west), St Pancras (5 miles north-east) and Shoreditch (6 miles north-east).
What’s near Battersea
Around Battersea, our work takes us to homes and buildings near The Falcon pub, Emanuel School and Imperial Park. Battersea has its own railway station: Clapham Junction station. A little further out are Baynard's Castle (4.4 miles north-east) and Southside Wandsworth (1.3 miles south-west). The countryside around Battersea includes Henman Hill and Battersea Park Lake.
