Greater London · England
Waddon New Build Mastic
Our applicators work in Waddon on plot mastic for developers and snagging failed sealant in new homes. Old sealant removed completely, joints prepared properly and every job guaranteed for a year.
- Cracks appearing as a new home settles
- Skirting joints opening in the first winter
- Plot mastic for developers ahead of handover
Quotes for new build mastic in Waddon
Jobs vary more than people expect. The main factors:
- How much old sealant there is and how hard it is to remove
- The product the joint needs
- How much there is to do
- When we can work, for business premises
The cost depends on the size of the job, how much old material has to come out and access to the work. You’ll have a clear quote before any work starts.
What we need to know
What to tell us when you ask for a quote:
- How we’d reach the joints
- Whether it has been sealed before
- The type of property
- Photos by email, if that’s easy
There’s no standard price list. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or drop us an email.
New build mastic in Waddon, done properly
We work in new homes and on new-build sites across Waddon. One shower or a whole phase of plots, the method doesn’t change: cut out, clean, prime where needed and reseal neatly. If you are dealing with worktop and upstand sealant coming away and gaps between new skirting and floors, we can put it right.
Shops, offices and commercial units across London have hard-wearing floors with movement joints that need resealing as they wear, while new homes need a neat, sound finish around frames, baths and kitchens before handover, in Waddon and beyond.
You are covered for a year from the day we finish. If anything is not right with it, call 0345 464 0079 or drop us an email.
- Place
- Waddon (CR0, CR2, SM6)
- Wider area
- Greater London
- Guarantee
- A year, on every job
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Signs you need new build mastic in Waddon
New homes are full of moisture from plaster, screed and concrete, and it dries out over the first couple of years. Drying timber shrinks and pulls joints apart.
If you can see any of these, it’s time to have the joints looked at:
- Sealant applied over dusty or wet surfaces
- Second-fix sealing on new plots
- Cracked sealant around new window and door frames
- Gaps behind new kitchen upstands
If you’ve bought a new home near Waddon station, the sealant around baths, showers and frames is worth checking in the first year or two.
What to look for in a quote
- Is VAT in the price?
- What the cure time is
- How the colour is chosen
- What insurance they hold
DIY sealant or a professional job?
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.
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. Everything old must be removed first.
How the job changes by surface
Windows and doors
Draughts around new frames are often a sealant gap. We check and reseal the frame edges.
Skirting and floors
Where the floor meets a bath panel or kitchen plinth, the joint keeps mop water out. They get a flexible, water-resistant sealant.
What we can’t put right
It helps to know what we cannot do too:
- Plumbing faults behind the sealant
- Cracking that points to a structural problem
- Movement caused by a poorly fitted tray or bath
Not sure which it is? You can ring 0345 464 0079 or email us and we’ll tell you honestly before booking.
Where we work in Waddon
- Skirting & floors
- Kitchens
- Bathrooms & en suites
- Show homes
- Plot handovers
- Windows & doors
Nearby places to Waddon
Other services in Waddon
New homes and floors in Waddon
Much of London’s new housing is flats in larger developments, where snagging may go through the developer or managing agent. The South East is one of the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
As a London address, Waddon can be tricky for parking: let us know about parking bays, permits or a driveway.
Waddon is about 1 mile west of Croydon, in Greater London. Whether you’re in the middle of Waddon or further out, new build mastic is available for homes and businesses alike. Waddon is one of 764 places in Greater London we cover for new build mastic. We also work in London, about 9 miles from Waddon.
Here we cover the CR0, CR2 and SM6 postcode area for new build mastic. If you need new build mastic at a property on Abbey Road, Alton Road and Epsom Road or a nearby road, we can help. We also cover the places around Waddon: Old Town (1 mile north-east), Bandonhill (1 mile west), Beddington (1 mile north-west), Russell Hill (1 mile south-west) and Roundshaw (1 mile south-west). Further out, we also cover London (9 miles north), City of Westminster (11 miles north), Marylebone (11 miles north), Kensington (10 miles north), St Pancras (11 miles north) and Shoreditch (11 miles north).
Local landmarks in Waddon
Locally, jobs take us to homes and businesses close to St Andrew's CofE School, Rutherford School and Duppas Hill, among other places. There’s a railway station in Waddon itself: Waddon station. Other landmarks nearby include St George's Walk (0.9 miles north-east) and Purley War Memorial Hospital (1.7 miles south). The countryside around Waddon includes Duppas Hill and Roundshaw Downs.
Aftercare tips
Good habits help new joints last longer. Our tips:
- Raise failed sealant with the developer while you are covered
- Open a window or run the fan after bathing
- Check bath and shower seals every few months as the house settles
- Do not seal over failed sealant yourself
Clean the sealant with a mild detergent and a soft cloth. Avoid abrasive pads and strong solvents as they wear the bead.
Mould takes hold quickly in sealant that has gaps or lifted edges. Resealing before mould gets in keeps the job straightforward.
Waddon questions
I let a flat near Waddon station. Can you help?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or drop us an email and tell us about the property, and we’ll give you a clear quote.
Is Waddon in your area for new build mastic?
Yes, Waddon is within the area we cover. We work across London and the South East. You can ring 0345 464 0079 or send us an email and tell us what needs doing, and we’ll send you a clear quote.
Where is Mr Mastic based?
We’re based in Crawley, West Sussex, and we work across South East England, London and Scotland.
Will the old sealant be removed?
Yes, always, and completely. New silicone does not stick to old silicone, so the joint is cleaned back first.
Do you use white or clear sealant?
It depends on the joint: white or clear in most bathrooms, and a colour to suit worktops, frames and floors elsewhere. We’ll agree it with you first.
Is there a guarantee?
Yes. Each job is guaranteed for twelve months, wherever you are.
What does new build mastic cost?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Is it worth trying it myself?
Some simple jobs can be done by a careful DIYer. The usual mistakes are sealing over old sealant, sealing a damp joint and using too much.
What we do, step by step
A visit follows a simple pattern: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and clear up. It generally takes anything from a few hours to several days, depending on the number of plots. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- We start by going through the snagging items or plot schedule with you.
- Every bit of the old builder’s sealant is cut out.
- Joints are vacuumed and cleaned of building dust.
- We prime where needed and apply a sealant suited to each joint.
- Each bead is tooled and the cure times explained.
How to prepare
- Keep children and pets away from the work area
- Let us know about parking restrictions
- Let us know about stairs, lifts or work at height
Getting a quote
Getting a quote is simple: let us know the job and the location, and roughly how big it is. Photos by email help us understand the job.