Oxfordshire · England

High Cogges New Build Mastic

New build mastic in High Cogges from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.

  • Smeared, uneven beads picked up at snagging
  • Worktop and upstand sealant coming away
  • Shower seals failing in the first year or two

Trusted new build mastic in High Cogges

High Cogges: your questions answered

I let a flat near Combe station. Can you help?

Yes. We work for letting agents and landlords as well as householders, and several properties can go on one quote. You can phone 0345 464 0079 or send us an email with the details for a clear quote.

Will you come out to High Cogges?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Let us know about access, parking and anything unusual about getting there when you book.

Can I add another job to the visit?

Yes. Tell us about everything you’d like done and you’ll get one quote.

How long does the job take?

Typically it takes anything from a few hours to several days, depending on the number of plots. Larger jobs naturally take longer, and we’ll tell you how long to expect.

Is it normal for sealant to crack in a new home?

Cracking in the first couple of years is common, because the house is drying and settling. Rushed application on dusty surfaces makes it worse.

Is it messy?

Tidy work is part of the job. We protect what’s around the joints, and we clear up when we’re done.

When is the sealant fully cured?

Many sealants skin over quickly but take longer to cure fully. We’ll tell you how long to leave the joint before we leave.

Will there be a smell?

That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.

How we handle new build mastic in High Cogges

Dust is the enemy of new-build sealant. Each joint is cleaned of dust and primed where the product calls for it, so the sealant actually sticks rather than sitting on a layer of grit. Typical jobs include cracked caulk along new skirting and new-build shower sealant that has already split, across skirting & floors, kitchens and bathrooms & en suites.

For a small place like High Cogges, the journey and access are planned in advance, and the work itself is the same as on any site.

Every job is covered by a 12-month guarantee.

Silicone being applied where a shower enclosure meets beige wall tiles
Place
High Cogges (OX29)
Wider area
Oxfordshire
Guarantee
One year on every job
Price
A clear price before work begins
Call
0345 464 0079
Page updated
26 October 2026

Keeping the joints in good condition

No joint lasts for ever, but care makes a real difference. Our tips:

  • Check bath and shower seals every few months as the house settles
  • Clean sealant with mild detergent, not abrasives
  • Raise failed sealant with the developer while you are covered
  • Open a window or run the fan after bathing

Keep photos of the joints and any snagging correspondence with your builder. It’s useful if you need to raise other issues later.

Mould takes hold quickly in sealant that has gaps or lifted edges. Resealing before mould gets in saves a harder job later.

How the job changes by surface

Skirting and floors

New homes often develop a gap between skirting and floor. A flexible sealant closes it without cracking like caulk.

Bathrooms and en suites

Baths, showers, basins and trays in new bathrooms are the most common new-build reseal. The old sealant comes out and anti-fungal sanitary silicone goes in after cleaning and priming.

Should I try it myself first?

Too much sealant is as bad as too little. A thick, smeared bead looks untidy and doesn’t move well, and the joint depth matters as much as the finish.

Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.

Joints and finishes in High Cogges homes

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 High Cogges, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint. For new homes near Combe station, it’s worth checking the sealant early, while snags are still fresh.

High Cogges is about 2 miles east of Witney, in Oxfordshire. Every kind of property in High Cogges can book us for new build mastic. The work is guaranteed for a year. Our Oxfordshire coverage runs to 443 places, High Cogges among them. There’s also a page for Oxford, about 10 miles away.

All of OX29 is covered for new build mastic, from the main roads to the quietest streets. Neighbouring places we cover for new build mastic include Madley Park (1 mile north-west), South Leigh (1 mile east), Cogges (1 mile west), Ducklington (2 miles south-west) and Witney (2 miles west). Within a short drive, we also cover Oxford (10 miles east), Didcot (15 miles south-east), Bicester (15 miles north-east), Abingdon-on-Thames (10 miles south-east), Carterton (6 miles west) and Wantage (13 miles south).

Local landmarks in High Cogges

In High Cogges, that means homes and buildings near Wood Green School, The Griffin Inn and Wood Green School and the streets around them. High Cogges’s nearest station is Combe station, roughly 4.5 miles north-east of the centre. Nearby you will also find Cogges Manor Farm Museum (1 mile west).

Map of High Cogges © OpenStreetMap contributors

What happens on the day

We bring everything the job needs with us. After a quick look at the joints together, we protect the area and start. It normally takes a few hours in a single home. In a small place like High Cogges, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.

  1. Each joint is checked for movement before we start.
  2. Old sealant is cut out and the joints cleaned.
  3. Joints are dried and primed where the product calls for it.
  4. New sealant goes in, with baths filled first so they’re at their heaviest.
  5. The finished joints are checked and the cure times given.

How to prepare

  • Let us know about stairs, lifts or work at height
  • Keep children and pets away from the work area
  • On commercial sites, let us know about site rules

Getting a quote

We quote each job on its own, so the first step is telling us about yours. Just call 0345 464 0079 or send us an email with the details, and pictures are welcome.

Ask for a quote

Advice

Quotes for new build mastic in High Cogges

Some jobs are bigger than they look, and some smaller. The main factors:

  • When we can work, for business premises
  • How many areas need sealing
  • The product the joint needs
  • Mould in or behind the old joints

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

What to tell us when you ask for a quote:

  • Roughly how big the job is
  • If it’s domestic, commercial or a hotel
  • How we’d reach the joints
  • Whether it has been sealed before

Getting a quote is simple: tell us what needs doing and where. Photos by email help us understand the job.

What sealant work can’t fix

It helps to know what we cannot do too:

  • Cracking that points to a structural problem
  • Damaged fittings that need replacing
  • Your warranty claim itself, which is between you and the builder

If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think before booking.

Joints and surfaces we work on

  • Skirting & floors
  • Kitchens
  • Windows & doors
  • Bathrooms & en suites
  • Show homes
  • Plot handovers

Why act early in High Cogges

A quick bead over the top of the old sealant can look fine at first, but it can’t bond to what’s underneath. A lasting seal starts with removing the old one completely. Older cottages and farmhouses around High Cogges can have timber floors and frames, and water through a failed joint can rot timber if it’s left.

What it costs depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You’ll have a clear quote before any work starts, so you know where you stand.

Why us?

  • Homes, businesses and hotels
  • White, clear, grey or coloured to suit, where the product allows
  • Full insurance on every job
  • Sealant colour chosen to suit

Read how sealant jobs are priced and customer reviews.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job