Greater London · England
Loxford New Build Mastic
New-build sealant joints in Loxford need attention? We cut out the old, prepare the joints and apply the right sealant, and the work is guaranteed for a year.
- Cracked caulk along new skirting
- Gaps behind new kitchen upstands
- Sealant applied over dusty or wet surfaces
How we handle new build mastic in Loxford
Snagging sealant properly means taking the failed bead out completely. Fresh silicone cannot bond to the old layer, so the joint is cut out, cleaned, dried and resealed. Common call-outs are for sealant that never bonded to the surface and cracks appearing as a new home settles, on skirting & floors, plot handovers and bathrooms & en suites.
New flats are going up across London, many of them in larger developments. In a new development, snags are often reported through the developer or the managing agent, and shower seals that fail early, skirting joints that open up and gaps at thresholds are all common snags.
Whatever the size of the job, it’s backed by our 12-month guarantee in Loxford and across Greater London.

- Place
- Loxford (IG1, IG11, IG3)
- Region
- Greater London
- Guarantee
- 12 months on all our work
- Quote
- A clear quote up front
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Work for landlords, hotels and businesses
If you manage several properties in or around Loxford, several properties can go on one quote. Send us the addresses and the work at each, and photos by email help.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Resealing at the right time is simple maintenance.
Why it’s worth doing now in Loxford
It often makes sense to do all the sealant items on a snagging list together. You get one visit and one clear quote. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in Loxford, the repair is bigger than the sealant job would have been.
A failed joint rarely gets cheaper to fix by waiting, as water and mould keep getting in. If you’re unsure, call 0345 464 0079 or send us an email and we will give you an honest view and a quote.
Why Loxford customers choose us
- White, clear, grey or another colour, product permitting
- We leave the area clean and tidy
- A 12-month guarantee on all work
- Sealant colour chosen to suit
Keeping the joints in good condition
How long the joints last depends on use and care. Here’s what we suggest:
- Do not seal over failed sealant yourself
- Get a leaking seal dealt with straight away
- Check bath and shower seals every few months as the house settles
- Ventilate bathrooms well, especially in the first year
Photograph failed sealant before it’s redone and keep the builder’s replies. It helps if anything else comes up during the warranty period.
A failed seal in a new home lets water into joists, plasterboard and ceilings. Catching it early keeps the fix to the sealant and the new finishes intact.
Common problems we fix in Loxford
A new house holds a lot of water from the build, which takes a year or two to dry out. Drying timber shrinks and pulls joints apart.
The problems people normally mention when they call include:
- Plot mastic for developers ahead of handover
- Leaking shower tray seals in a new home
- Frame joints opening as the plaster dries
- Messy sealant that spoils new finishes
If you’ve bought a new home near Barking station, the sealant around baths, showers and frames is worth checking in the first year or two.
What your quote should include
- When the joint can take water or movement
- What product goes in the joint
- What the quote includes, VAT included or not
- Who does the work, and how experienced they are
Your questions about new build mastic in Loxford
Can you help a landlord with a rental near Barking station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or drop us an email with the address and a few details, and we’ll give you a fixed price before we start.
Do you cover Loxford for new build mastic?
Yes, Loxford is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.
Are you an approved applicator?
Yes. We’re an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
Should I try DIY first?
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.
Why has my new-build shower seal failed already?
There are generally two causes: movement as the house dries and settles, and sealant laid onto dust without primer. A proper reseal deals with both.
My new home is still under warranty. Should I contact you?
Start with the builder if you’re in the snagging or warranty period. If it is not resolved, we can reseal it properly.
Where do you work from?
We are based in Crawley, and we cover South East England, London and all of Scotland.
Can I add another job to the visit?
Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
Also near Loxford
Also in Loxford
How we quote for new build mastic
There’s no set price list, because jobs vary so much. What we look at:
- Mould in or behind the old joints
- The size of the job
- How many areas need sealing
- When we can work, for business premises
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first.
Helping us quote
You do not need to know the technical terms. It helps if you can tell us:
- The address or postcode of the job
- Roughly how big the job is
- A few photos by email, if you can
- Whether it has been sealed before
Getting a quote is simple: let us know the job and the location. A few photos by email make the job easier to understand, and we’ll come back to you with a quote.
What new build mastic looks like in Loxford
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. Many of London’s new homes are flats in bigger developments, where snags may need reporting through the developer or the managing agent.
Loxford is in London, so parking needs planning: let us know about parking bays, permits or a driveway.
Loxford is about 3 miles north-east of Plaistow, in Greater London. We provide new build mastic to homes and businesses in Loxford, as part of our work across Greater London. Loxford is one of 764 places in Greater London where we work. There’s also a page for London, about 8 miles away.
Our applicators cover all of IG1, IG11 and IG3 for new build mastic. We cover properties on Dane Road, Eton Road and Natal Road. Nearby, we also carry out new build mastic in Ilford (1 mile north), Manor Park (1 mile west), Barking (1 mile south-east), Little Ilford (1 mile west) and Wallend (1 mile south-west). We also work in nearby towns such as London (8 miles south-west), City of Westminster (10 miles west), Marylebone (10 miles west), Kensington (13 miles west), St Pancras (9 miles west) and Shoreditch (7 miles west).
Landmarks near Loxford
Typical jobs here are in homes near The Barking Dog pub, Loxford School and Loxford Park. Loxford’s nearest station is Barking station, about 0.6 miles south of the centre. Well-known places in the area include Gallions Reach Shopping Park (2.6 miles south) and Redbridge Museum (0.8 miles north-west). Green spaces nearby include Hollow Pond and Ripple Nature Reserve.
DIY sealant or a professional job?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.
What happens on the day
Every visit runs the same way: we check the joints, protect the area around them, do the work and tidy away. Most jobs take a few hours for most snagging lists, longer for a run of plots. In Loxford, as in most of London, parking needs a little planning. It helps if you can point us to a visitor permit or a bay close to the door.
- First, the list of joints is agreed from your snagging sheet or plot schedule.
- Every bit of the old builder’s sealant is cut out, with no layer left behind.
- We clean out the dust and grit left from the build.
- Primer goes on where the surface and product need it, then the new sealant.
- Each bead is tooled and the cure times explained.
Preparing for the visit
- Mention any leaks or damp you’ve noticed
- Try not to wet indoor joints just before the visit
- Clear items away from the joints we are working on
Ask for a quote
If you’re in Loxford and need new build mastic, ring 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.
