West Sussex · England
Atherington New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes for Atherington, backed by a one-year guarantee. Call for a quick quote.
- Joints pulling apart as timber shrinks
- Skirting joints opening in the first winter
- Cracked sealant around new window and door frames
New build mastic in Atherington
In a new home, every joint should have a clean, even bead. Smeared, patchy or cracked sealant is worth sorting early, before water gets into the floor or walls. If you’re dealing with beads laid onto grit and dust from the build and gaps between new skirting and floors, we can put it right.
Somewhere as small as Atherington, new homes tend to be conversions, self-builds or a few houses rather than an estate. Each still needs its sealant and floor joints finished properly.
Whatever the size of the job, you get the same one-year guarantee in Atherington and across West Sussex.
- Place
- Atherington (BN17)
- Wider area
- West Sussex
- Guarantee
- A year, on every job
- Quotes
- A clear quote up front
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026
Why act early in Atherington
A quick bead over the top of the old sealant can look fine at first, but it won’t bond to the old layer. Taking it all out and starting again is the only way to get a lasting seal. In a small place like Atherington, homes can be exposed to wind and rain, which finds any gap, and older walls, once damp, take a long time to dry.
There are no prices on our website, because the cost depends so much on the job itself. Call for a quick quote.
What you get with us
- White, clear, grey or coloured to suit, where the product allows
- More than 20 years in sealant work
- We are fully insured
- ARBOMaster approved applicator
Read how sealant jobs are priced or our reviews.
Landlords, agents and businesses in Atherington
Letting agents often deal with us directly. Send the address, what’s needed and the access arrangements and we’ll give you a quote.
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
Honest limits
We’ll always be straight with you, so here’s what new sealant will not do:
- Deciding who is responsible under a builder’s warranty
- Broken tiles or a split tray
- Structural cracks in walls or ceilings
If in doubt, phone 0345 464 0079 or send us an email and we will say what we think.
Where we work in Atherington
- Show homes
- Windows & doors
- Bathrooms & en suites
- Skirting & floors
- Plot handovers
- Kitchens
What affects the quote in Atherington
For a quick quote, just ask. What matters most is:
- Which sealant suits the joint
- How many rooms, windows or areas are involved
- Whether the work is at height
- The number and length of the joints
Some things make a job bigger or smaller: the old material and how easily it comes out, whether mould needs treating, and whether we need extra access for height. We take all of that into account in your quote.
What to tell us for a quote
To make quoting easier, let us know:
- The type of property
- Where the property is
- Any previous sealing or DIY work
- How we’d reach the joints
Call for a quick quote, or send an email if you’d rather. Describe what needs sealing and we’ll explain what’s involved.
Also near Atherington
Other services in Atherington
Atherington: your questions answered
Will you come out to Atherington?
Yes, Atherington is covered. We work across London and the South East, from towns to the smallest places. The journey is planned ahead, so it helps to know about access.
Can you help a landlord with a rental near Littlehampton station?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or email us and tell us about the property, and we’ll send you a clear quote.
Which products do you use?
Quality sealants from brands including Arbo and Everbuild, picked for each joint. We’ll tell you what we are using and why.
What should I tell you?
The location, the problem and the rough size of the job. Photos by email help too.
Where are you based?
We are a Crawley-based firm, with over 20 years’ experience. Our area covers South East England, London and Scotland.
What does new build mastic cost?
Size, access and the old material all affect the cost. Call for a quick quote and we will talk you through it.
Do you remove the old sealant?
Yes. Sealing over the old bead is the commonest cause of early failure, so we never do it.
Why has my new-build shower seal failed already?
Cracking in the first couple of years is common. Poor preparation at handover adds to it.
What happens on the day
There isn’t much for you to do on the day. Point us to the joints and we’ll get on with it. The work itself takes anything from a few hours to several days, depending on the number of plots, including the tidy-up. In a small place like Atherington, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- Each joint is checked for movement before we start.
- Old sealant is cut out and the joints cleaned.
- We make sure the joints are dry and prime them if needed.
- New sealant goes in, with baths filled first so they’re at their heaviest.
- We check every joint and leave you with the cure times.
Getting ready for the visit
- Try not to wet indoor joints just before the visit
- Keep children and pets away from the work area
- Move anything stored near the joints
How to get a quote
If you’re in Atherington and need new build mastic, call 0345 464 0079 or send us an email. Tell us what the problem is and where, and we will agree the price before any work begins.
Related advice
What we’re called out for in Atherington
The first winter with the heating on dries a new home quickly. Gaps open along skirting, frames and worktops.
It’s worth asking for a quote if you see:
- Cracked sealant around new window and door frames
- Leaking shower tray seals in a new home
- Joints pulling apart as timber shrinks
- Gaps between new skirting and floors
For new homes near Littlehampton station, it’s worth checking the sealant early, while snags are still fresh.
What your quote should include
- What happens if they find a problem under the old sealant
- Is VAT in the price?
- How the surfaces are prepared before sealing
- What product goes in the joint
Surface by 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.
Plot handovers
Plot mastic is carried out to the developer’s schedule. Joints are prepared properly before sealing.
What new build mastic looks like in Atherington
Atherington is close to the coast. Plot mastic on new homes near the coast takes more weather than it would inland, so any gaps are best picked up early. 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.
Around Atherington, as everywhere, new build mastic is only as good as the preparation behind it.
Atherington is about 2 miles west of Littlehampton, in West Sussex. Jobs in Atherington get the same care as everywhere else we work: old sealant removed completely, careful preparation and a one-year guarantee. Our West Sussex coverage runs to 371 places, Atherington among them. For nearby work, see our Brighton page, about 20 miles away.
All of BN17 is within our area for new build mastic. If you’re just outside Atherington, we cover Climping (1 mile north), Horsemere Green (1 mile north-west), Ford (2 miles north), Wick (2 miles north-east) and Littlehampton (2 miles east). Further out, we also cover Worthing (8 miles east), Bognor Regis (5 miles west), Chichester (9 miles west), Selsey (10 miles south-west), Shoreham-by-Sea (14 miles east) and Lancing (11 miles east).
Around Atherington
In Atherington, that means homes and buildings near The Littlehampton Academy and The Black Horse Public House, among other places. For rail, the closest station is Littlehampton station, about 1.5 miles east. A little further out are Lyminster Siege Castle (3.8 miles north-east) and Rustington Museum (3.3 miles east). For a walk, there’s WWT Arundel.