Greater London · England
New Build Mastic in East Wickham
New-build sealant joints in East Wickham need attention? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Sealant work across a run of new homes
- Gaps between new skirting and floors
- Cracked sealant around new window and door frames
New build mastic in East Wickham
Failed shower seals, gaps along the skirting and messy beads are common items on a new-home snagging list. If you’re still within the builder’s snagging or warranty period, tell them first, and if it is not put right, get in touch with us. We work on bathrooms & en suites, skirting & floors and show homes, and people most often call us about kitchen sealant that has pulled off the wall and shower seals failing in the first year or two.
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.
All of our work is guaranteed for twelve months.
- Place
- East Wickham (DA16, SE18, SE2)
- Wider area
- Greater London
- Guarantee
- One year on every job
- Quote
- A clear price before work begins
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Why deal with it now?
If you are still in the builder’s snagging or warranty period, ask them to put it right first. If it keeps failing or is not dealt with, we can reseal it properly. In a London flat, a failed joint rarely stays your problem alone: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.
Combining jobs into one visit usually makes better use of the time than several visits, so tell us about everything that needs sealing. You’ll get one clear quote for the whole job.
Why us?
- Neat joints and a tidy finish
- Over 20 years’ experience
- Full insurance on every job
- Trusted Arbo and Everbuild sealants
Take a look at what affects the cost and customer reviews.
How it works
At the end, we look at the finished work together and tell you how long to leave it. The visit itself usually takes anything from a few hours to several days, depending on the number of plots, depending on how much there is to do. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in East Wickham. A visitor permit or a nearby bay makes the visit run more smoothly.
- We start by agreeing which joints are on the list, from the snagging sheet or plot schedule.
- We cut out every bit of the failed or messy sealant.
- Surfaces are cleaned of building dust and primed where needed.
- A sealant chosen for each area goes in and is tooled smooth.
- Each area is checked and left with its cure time.
How to prepare
- For business premises, tell us about site rules or sign-in
- Mention any tricky access
- For indoor joints, keep the area dry beforehand if you can
Ask for a quote
There’s no standard price list. Instead, we give you a clear price for your job. To get started, call 0345 464 0079 or drop us an email.
Read more
Do you need new build mastic in East Wickham?
Sealant is often one of the last jobs before handover. Joints are not always cleaned of dust or primed, and the sealant sits on grit instead of the surface.
Look out for these signs:
- Smeared, uneven beads picked up at snagging
- Cracked caulk along new skirting
- Gaps opening as the house dries out and settles
- Frame joints opening as the plaster dries
For new homes near Welling station, it’s worth checking the sealant early, while snags are still fresh.
Questions to ask before you book
- How the colour is chosen
- Are they insured?
- What happens if the job turns out different
- Who turns up on the day
Different surfaces, different methods
Windows and doors
Draughts around new frames are often a sealant gap. We look at the joints and reseal where needed.
Plot handovers
We work through plots to your schedule, sealing each room ready for handover. Joints are prepared properly before sealing so the sealant lasts.
Questions from East Wickham
I let a flat near Welling station. Can you help?
Yes, we work for letting agents and landlords. Just call 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear price.
Is East Wickham in your area for new build mastic?
Yes. Our work covers London and the South East, and East Wickham is part of that. You can phone 0345 464 0079 or email us and let us know what needs doing.
Is it worth trying it myself?
For a simple, easy-to-reach joint, a careful DIYer can do a reasonable job. Most DIY failures come from sealing over old material, wet joints or too much sealant.
What information do you need?
Just the basics: the address or postcode, what’s wrong and any access issues. After that, simply call 0345 464 0079 or drop us an email.
My new home is still under warranty. Should I contact you?
Report it to the builder first while you’re covered. Once that’s done, or if they will not put it right, we’ll cut it out and reseal it.
What does new build mastic cost?
Every job is different, so each one gets its own quote. To get one, call 0345 464 0079 or email us and let us know what needs doing and where.
Will there be a smell?
There can be a smell while the sealant cures. Opening a window helps.
Do I have to be there?
That depends on where the joints are. Inside work needs someone to give us access, and for outside work we’ll agree access with you when we book.
New homes and floors in East Wickham
Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Much of London’s new housing is flats in larger developments, where snags may need reporting through the developer or the managing agent.
East Wickham is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
East Wickham is about 1 mile north-west of Welling, in Greater London. East Wickham gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a 12-month guarantee. 764 places in Greater London are on our list, large and small. You can also see our page for London, about 8 miles away.
Postcode districts we cover here for new build mastic: DA16, SE18 and SE2. Local streets include Keats Road, Darwin Road and Edison Road, all of which we cover. Close by, we work in Falconwood (1 mile south), Shooter's Hill (1 mile west), Blackfen (1 mile south), Plumstead (1 mile north-west) and Avery Hill (1 mile south-west). Larger places within reach include London (8 miles west), City of Westminster (11 miles west), Marylebone (11 miles west), Kensington (13 miles west), St Pancras (10 miles north-west) and Shoreditch (8 miles north-west).
Near you in East Wickham
We work in homes and buildings around Shooters Hill Sixth Form College, Welling School and Shoulder of Mutton Green. East Wickham has its own railway station: Welling station. Other landmarks nearby include Broadway Shopping Centre (2.3 miles south-east) and Greenwich Castle (4.3 miles west). Green spaces nearby include The Tarn and Summer Hill.
What affects the quote in East Wickham
For a quick quote, just ask. What matters most is:
- The number of rooms or windows
- How easy the joints are to reach
- The old material and how stubborn it is
- The type of sealant required
Homes and businesses are quoted the same way: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we’ll go through it with you.
What we need to know
To help us quote quickly, please include:
- Roughly how big the job is
- The problem you’ve noticed
- A few pictures by email, if you can
- How we’d reach the joints
For a quick quote, get us on the phone, or email us if that is easier. Tell us about the joints that need doing and we will explain what’s involved before giving you a price.
DIY sealant or a professional job?
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
Looking after it afterwards
A little care helps the new joints last. We recommend:
- Clean sealant with mild detergent, not abrasives
- Open a window or run the fan after bathing
- Keep water off fresh sealant until it has cured
- Do not wait for the house to settle if water is getting through
Don’t stand on the bath edge or the lip of the tray. Report any movement in a bath or tray.
Don’t let the snagging period run out with sealant problems unreported. After that, putting it right may fall to you.