West Berkshire · England
New Build Mastic in Highclere
New build mastic in Highclere from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Beads laid onto grit and dust from the build
- Plot mastic for developers ahead of handover
- Kitchen sealant that has pulled off the wall
What affects the cost of new build mastic
Jobs vary more than people expect. The main factors:
- Whether the work is at height
- Any mould that needs treating
- The old material and how stubborn it is
- The size of the job
Rather than a set price list, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.
What we need to know
To make quoting easier, let us know:
- Pictures of the joints, sent by email
- Any previous sealing or DIY work
- How many joints, rooms or windows are involved
- What’s wrong with the joints now
There’s no standard price list. Instead, we send you a clear quote for your job. To arrange one, ring 0345 464 0079 or drop us an email.
New build mastic in Highclere, done properly
A new house keeps drying out and settling for its first couple of years. Timber shrinks, plaster dries and baths and trays bed down, so sealant that was laid quickly before handover often cracks. If you’re dealing with gaps behind new kitchen upstands and internal frame sealant that has split, we can put it right, on bathrooms & en suites, windows & doors and kitchens alike.
Older homes in small places like Highclere often have timber floors that move with the seasons, which is why skirting and threshold joints need a flexible sealant, not filler.
We guarantee the work for a year. If something is not right with it in that time, tell us and we’ll put it right.
- Place
- Highclere (RG20)
- Region
- West Berkshire
- Guarantee
- A year, on every job
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
How to look after the new joints
Simple care keeps the joints in good condition. Our advice:
- Record problems with dated photos
- Clean sealant with mild detergent, not abrasives
- Report sealant problems to your builder during the snagging period
- Do not seal over failed sealant yourself
Don’t stand on the bath edge or the lip of the tray while the sealant cures. Report any movement in a bath or tray.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Early resealing keeps the job small and the new finishes intact.
How the visit works
When we get to you, we compare the joints with what we discussed. If we find something unexpected, we talk it through with you first. After that, the work takes a few hours in a single home. For a village or hamlet like Highclere, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We start by going through the snagging items or plot schedule with you.
- The failed sealant is removed completely down to clean surfaces.
- 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.
Before we arrive
- Clear items away from the joints we are working on
- Where the joints are inside, avoid wetting them before we arrive
- Mention any leaks or damp you’ve noticed
How to get a quote
Asking for a quote is easy: let us know what needs doing and where, and roughly how big it is. A few photos by email make the job easier to understand, and we’ll take it from there.
Advice
What sealant work can’t fix
We will always be straight with you, so here’s what sealant can’t fix:
- Movement caused by a poorly fitted tray or bath
- Your warranty claim itself, which is between you and the builder
- Leaking fittings rather than failed sealant
If in doubt, call 0345 464 0079 or email us and we will say what we think.
Where we work in Highclere
- Skirting & floors
- Kitchens
- Plot handovers
- Show homes
- Bathrooms & en suites
- Windows & doors
Towns and villages near Highclere
More services for Highclere
Why deal with it now?
A failed shower or bath seal in a new home lets water into floors and walls that are still drying out. Resealing promptly protects the new finishes around it. Older cottages and farmhouses around Highclere can have timber floors and frames, where water from a failed joint can cause rot if it’s left.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Call for a quick quote and we’ll go through it with you.
Why book with us
- Colour agreed with you before we start
- Trusted Arbo and Everbuild sealants
- Domestic, commercial and hotel work
- Rated 4.9 stars on Google
Read our cost guide and customer reviews.
Should I try it myself first?
If you’ve already had a go yourself, that’s fine. We cut it out and start again, so tell us about it when you ask for a quote.
Some sealant jobs are within reach of a careful DIYer, 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.
Questions from Highclere
Do you work for landlords with property near Newbury station?
Yes, we work for landlords and letting agents. Just ring 0345 464 0079 or send us an email and tell us about the property, and we will give you a clear quote.
Can you do new build mastic in Highclere?
Yes, Highclere is within the area we cover. Our work covers London and the South East. Just ring 0345 464 0079 or send us an email with a few details of the job, and we will give you a clear price.
Can I send you my snagging list?
Yes. Photos of each sealant item help us quote. Items that need a plumber, tiler or the builder are flagged.
Should I wait before resealing?
Where water is getting through, don’t wait. Hairline cosmetic gaps can wait until the house has settled.
Where do you work from?
We are a Crawley-based firm, with over 20 years’ experience. Our area covers South East England, London and Scotland.
Who should fix failed sealant in a new build?
Your builder, if you are still in their snagging or warranty period. After that, or if their repair keeps failing, we can do it with our 12-month guarantee.
Can new sealant go on top of the old bead?
No. New silicone will not bond to old silicone, so it soon lifts and traps water. The old sealant always comes out first.
Is it messy?
Very little: the area around the joints is protected first, and we clear up the old sealant and our materials before we leave.
New homes and floors in Highclere
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.
In and around Highclere, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint. For new homes near Newbury station, it’s worth checking the sealant early, while snags are still fresh.
Highclere is about 4 miles south-west of Newbury, in West Berkshire. If you need new build mastic in Highclere, please call 0345 464 0079 or send us an email for a quick quote. We cover West Berkshire from our Crawley base. Our West Berkshire coverage runs to 155 places, Highclere among them. For nearby work, see our Reading page.
Here we cover the RG20 postcode area for new build mastic. Streets in the area include Tubb's Lane, Arkwright Close and Coombe Corner, all of which we cover. We also cover Penwood (1 mile north-east), Woolton Hill (1 mile north), Hollington (1 mile south-west), Enborne Row (2 miles north) and Wash Water (2 miles north-east). Larger places within reach include Newbury (4 miles north-east), Thatcham (6 miles north-east), Burghfield Common (14 miles east), Speenhamland (5 miles north-east), Hungerford (8 miles north-west) and Lambourn (13 miles north-west).
Landmarks near Highclere
We work in homes and buildings around The Clere School. Highclere’s nearest station is Newbury station, roughly 4.3 miles north-east. Nearby you’ll also find Newbury Castle (3.9 miles north) and West Berkshire Community Hospital (5.5 miles north-east). Open spaces near Highclere include Audrey's Meadow and Sidown Hill.
Surface by surface
Kitchens
As a new house dries, worktops and walls shift a little, opening gaps behind the upstand. A fresh flexible bead closes them.
Plot handovers
We work through plots to your schedule, sealing each room ready for handover. Joints are prepared properly before sealing to keep callbacks down.