Surrey · England
North Holmwood New Build Mastic
Plot mastic for developers and snagging failed sealant in new homes in North Holmwood, with a 12-month guarantee on every job. Call for a quick quote.
- Skirting joints opening in the first winter
- Joints pulling apart as timber shrinks
- Internal frame sealant that has split
New build mastic in North Holmwood
A new build should have a neat, sound bead at every joint. When the finish is smeared, patchy or already cracking, it’s worth putting right early, before water reaches anything behind it. We work on plot handovers, bathrooms & en suites and kitchens, and people most often call us about worktop and upstand sealant coming away and cracked caulk along new skirting.
In and around North Holmwood, floors range from older timber boards to tiles and newer finishes, from timber that moves with the seasons to tiles laid on concrete. Skirting and threshold joints need a sealant that suits the floor.
All our work comes with a 12-month guarantee, wherever you are in Surrey.
- Location
- North Holmwood (RH5, RH4)
- Region
- Surrey
- Cover
- A year, on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026

When to call us in North Holmwood
When the heating goes on in the first winter, the house dries fast. Gaps open along skirting, frames and worktops.
Most people get in touch when they notice one of these:
- Internal frame sealant that has split
- Beads laid onto grit and dust from the build
- Gaps opening as the house dries out and settles
- Gaps behind new kitchen upstands
For new homes near Dorking West station, it’s worth checking the sealant early, while snags are still fresh.
Questions to ask before booking
- Whether VAT is included
- What guarantee comes with the work
- How long to leave it before use
- Whether they seal over old material or remove it
What affects the cost of new build mastic
The price is agreed before any work begins. It takes into account:
- Mould in or behind the old joints
- How many rooms, windows or areas are involved
- Access and height
- Any working-time requirements on site
No two jobs are quite the same, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we will explain the quote if you ask.
What to tell us for a quote
Before you ask for a quote, have a think about:
- A few pictures by email, if you can
- What’s wrong with the joints now
- The type of property
- Any previous sealing or DIY work
If you are in North Holmwood and need new build mastic, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.
FAQs for North Holmwood
Can you do new build mastic in North Holmwood?
Yes, North Holmwood is within the area we cover. Our work covers London and the South East. You can ring 0345 464 0079 or email us and tell us what needs doing, and we’ll give you a clear quote.
Will you come out to North Holmwood?
Yes, North Holmwood is covered. Our work covers London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.
Can you quote for more than one area?
Yes, we can. More than one area can be quoted together.
What colour sealant will you use?
Most bathroom joints are white or clear, but sealant comes in other colours too. We choose one to suit the room before we begin.
Do you work for developers?
Yes. We work through plots to your schedule. Get in touch with the number of plots and the scope for a clear quote.
Can you work from my snagging list?
Yes. Send the list and a few pictures of the sealant items and we’ll give you a quote. We’ll tell you if anything on it isn’t a sealant job.
Is the work guaranteed?
Yes. There’s a 12-month guarantee on every job, wherever you are.
Should I try DIY first?
It depends on the job. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.
For landlords and businesses
Hotels need rooms back in use, so we plan the work room by room around your bookings where we can. We’ve worked in hotels as well as homes and businesses.
We work for landlords and letting agents as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
Places near North Holmwood
Also in North Holmwood
What happens on the day
On the day, there’s very little for you to do. Point us to the joints and we will get on with it. The job generally takes a few hours in a single home. A visit to North Holmwood is planned like any other: the time, the access and where to park are agreed in advance. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- Each joint is checked for movement before work begins.
- 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.
- The finished joints are checked and the cure times given.
How to prepare
- Tell us if parking is tricky
- Mention any sign-in or site rules at work premises
- Where the joints are inside, avoid wetting them before we arrive
How to get a quote
For a quote, ring 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. We’ll give you a clear price before any work starts.
Advice
What new build mastic looks like in North Holmwood
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
In and around North Holmwood, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
North Holmwood is about 1 mile south of Dorking, in Surrey. Wherever you are in the RH5 postcode area, we can carry out new build mastic at your property. Across Surrey, we cover 395 places, and North Holmwood is one of them. We also work in Crawley, about 9 miles from North Holmwood.
All of RH5 and RH4 is within our area for new build mastic. If you need new build mastic at a property on Howard Road, Horsham Road and Inholms Lane or a nearby road, we can help. We also cover Blackbrook (1 mile south-east), Mid Holmwood (1 mile south-west), Dorking (1 mile north), Pixham (2 miles north) and Westcott (2 miles north-west). We also work in nearby towns such as Guildford (11 miles west), Woking (13 miles north-west), Epsom (9 miles north), Horley (7 miles east), Redhill (7 miles east) and Ewell (10 miles north).
Landmarks near North Holmwood
Around North Holmwood, our work takes us to homes and buildings near Inholms Clay Pit, The Priory CofE Voluntary Aided School and Royal Oak pub. For rail, the closest station is Dorking West station, about 1.8 miles north-west. Nearby you will also find Mesolithic Museum (3.7 miles west) and Headley Court (5.9 miles north). The countryside around North Holmwood includes Reigate Heath and Box Hill.
Different surfaces, different methods
Bathrooms and en suites
New-build bathrooms and en suites are where sealant fails most often. The old sealant comes out and anti-fungal sanitary silicone goes in after cleaning and priming.
Skirting and floors
Floors and skirting move as the house dries and the heating runs. Caulk cracks; a flexible sealant moves with it painted or coloured to suit.
Why it’s worth doing now in North Holmwood
Sealant done properly at handover means fewer callbacks. Every return visit for a failed seal takes time, and they’re avoidable with good preparation. Homes in smaller places like North Holmwood can face more weather, and failed outside joints let damp into walls. Inside, a split seal lets water into floors and panels just as it would anywhere.
The cost depends on the size of the job, how much old material has to come out and access to the work. We give a clear quote before we start.
Why North Holmwood clients choose us
- Old sealant always removed completely
- An ARBOMaster approved applicator
- Trusted Arbo and Everbuild sealants
- Every job guaranteed for a year
Take a look at what affects the cost or customer reviews.
Should I try it myself first?
If you are 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.
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
