The Mastic Doctor team standing beside their branded vans outside an office building
Greater London · England

Commercial washroom and wet-area sealing in Agar Town, Greater London

Sealing in commercial washrooms, showers, kitchens and wet areas in Agar Town. CHAS accredited, Constructionline member, with a 12-month guarantee on workmanship.

  • Stained sealant around pans and urinals
  • Sealant laid over old silicone and now peeling
  • Failed joints along IPS and cubicle panels
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
One fixed quote covering the agreed scope.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
London, the South East & Scotland
Constructionline member
£5m PL insurance

Washroom sealing for businesses in Agar Town

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Aftercare for building managers

Sealant joints are maintenance items, and their life depends on movement, exposure, cleaning and use. Our advice:

  • Photograph and log failed joints across the estate
  • Squeegee showers and trays after busy periods
  • Make sure washroom ventilation is running
  • Keep washrooms out of use until we say the sealant has cured

Include sealant joints in your planned maintenance checks. Check for mould spots, splits, lifting edges and open joints at trays, basins and urinals and photograph anything new.

A split joint at a shower tray can leak for a long time before anyone sees it. At that stage, boards or ceilings may need repair, so reseal when you first spot a split.

Washroom sealing for commercial buildings in Agar Town

Facilities managers, contractors and building owners have used us for washroom sealing for over 20 years. We are CHAS accredited and a Constructionline member, with CSCS-carded applicators. There is public liability insurance behind every job. Our workmanship is guaranteed for 12 months. Most enquiries involve gaps where vanity tops meet the wall and black mould inside silicone joints that cleaning can’t shift, on accessible toilets and changing rooms, kitchens and tea points and showers, trays and wet room floors. A specialist sealant contractor works differently from a general builder: in Agar Town, that means joint design, primers and backing rod as standard.

In Agar Town, as across London, commercial kitchens and washrooms need sealed joints that can be cleaned properly. We use sanitary and hygienic sealants, choosing food-safe products where food may touch the surface.

We sign every job off with a 12-month guarantee. The promise is simple: if our work fails within that year, we put it right.

Where
Agar Town (NW1W, NW1, N1)
Wider area
Greater London
Cover
A 12-month guarantee
Quote
A fixed quote before we start
Telephone
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team standing beside their branded vans outside an office building

How a job runs

Diagnose, treat, sign off: every visit follows that pattern. We inspect the joints and confirm what’s in scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. All of Greater London is in the ULEZ, and kerbside space in Agar Town can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.

  1. We inspect each washroom and record the joints to be resealed.
  2. The fixed quote sets out the rooms, the products and the phasing.
  3. Old sealant is removed completely and the faces cleaned.
  4. Each joint is cleaned and left dry.
  5. A sanitary silicone bead is laid and given a smooth tooled finish.
  6. Each area is handed back when ready.

Preparing the site

  • Clear stock, furniture or equipment away from the joints
  • Let us know about inductions and permits
  • Send asbestos survey details if the building is pre-2000

Quotes

Quotes are fixed against the scope you send, so the cost is agreed before work starts. To start the process, call the office on 01277 525 020 or email the details over.

Get a price

Related advice

Commercial clients in Agar Town

Planned maintenance programmes are welcome: resealing failed joints building by building, on a schedule that suits your budget. Agar Town can form part of a wider programme across Greater London.

For main contractors, we work as the sealant subcontractor. We work to your programme, your specification and your site rules.

Washroom sealing in Agar Town: the local picture

In London buildings, toilets and showers generally need to stay partly open, so we take one block of facilities out of use at a time. There are plenty of hotels within about 2 miles of Agar Town. En suite bathrooms, staff changing rooms and kitchens all need their sanitary silicone renewed in time. Rooms are done in turn so most stay available.

Halls of residence and teaching buildings at universities such as University of the Arts London, less than half a mile south-east of Agar Town, are easiest to reseal during vacations. Clinical washrooms at sites like St. Pancras Hospital (to the south of Agar Town) are scheduled with the ward so the room is out of use for as little time as possible. On an industrial estate such as Roman Way Industrial Estate, 0.8 miles to the east of Agar Town, staff toilets, showers and canteens are where sanitary sealant takes the most wear.

Agar Town is about 1 mile north-west of St Pancras, in Greater London. Our applicators travel to Agar Town for work on washrooms and wet areas. Our Greater London coverage takes in 764 places, large and small.

Anyone looking for washroom sealing in NW1W, NW1 and N1 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Water Lane, Maiden Lane and Camden Road or close by, we can quote for washrooms and wet areas. Access to Agar Town is via the A400 and A5200 among other routes, so getting applicators and materials to site is simple. Close to Agar Town, our area also takes in Camden Town (1 mile west), Somers Town (1 mile south), Kings Cross (1 mile south-east), Kentish Town (1 mile north-west) and Barnsbury (1 mile north-east). Nearby towns on our patch include London (3 miles south-east), Kensington (4 miles south-west), Walthamstow (6 miles north-east), Whitechapel (3 miles south-east), Ruislip (12 miles west) and Brompton (3 miles south-west).

What’s near Agar Town

Recent enquiries here include premises near Vaughan Williams Memorial Library, Golden Lion pub and North Bridge House School and the streets around them. You’ll also find Regent High School (less than half a mile south) and Lewis Cubitt Park (less than half a mile east). Agar Town has its own railway station: Camden Road station. A little further out are St Pancras Hospital (under half a mile south) and Montfichet's Tower (2.2 miles south-east). Green spaces nearby include Barnsbury Wood and St. James's Park Lake.

Map of Agar Town © OpenStreetMap contributors

Questions about Agar Town

Can work in a care setting near Agar Town go ahead while residents are there?

Yes, with the manager deciding the order and timing of rooms. Tell us about any infection-control or safeguarding requirements and we will work to them.

Can you work around term dates at a campus such as University of the Arts London?

Yes. We plan campus work around teaching, exams and residence turnarounds. Tell us which site documents you need, such as RAMS, our insurance certificate or CSCS details, and they’re confirmed with the quote.

Will you quote for a small job?

Single areas, one-off repairs and whole buildings are all quoted the same way: details, then a fixed price, then sealing, then a 12-month guarantee.

How long does a typical visit take?

That varies with the scale of the job, though a typical visit usually takes a few hours for one toilet block, with bigger buildings phased across a number of visits. For bigger or phased jobs, we’ll set out a timescale with the quote.

How much does the work cost?

Every job gets its own fixed quote. To get one, ring 01277 525 020 or send details through our quote form with a description of the work.

What sealant do you use in washrooms?

Sanitary silicone with anti-mould additives for most washroom joints. Neutral-cure grades are used where acetoxy types could mark metals, stone or mirror backings.

Can you follow the specification on our project?

Yes. The specification and the manufacturer’s installation guidance are what we work to.

Why deal with it now?

Running fresh silicone along a failed bead hides the problem briefly. It doesn’t bond, so it peels and traps dirt behind it. Cutting out completely and cleaning back takes a little longer and lasts. In Agar Town, each extra visit means more notices, permits and disruption, so a proper job first time, with the old sealant fully removed, is worth it.

A quote for washrooms and wet areas depends on quantities, condition and access, and any specification that applies. Call for a quote.

What you get with us

  • One number for every site we cover
  • Fully insured
  • RAL and finish matching where the product range allows
  • Sealing commercial buildings since 2005

Read our cost guide or how we’re accredited.

When it isn’t the sealant

We check first that sealant really is the fix. It isn’t the answer for:

  • A room that stays damp because ventilation isn’t working
  • Vanity carcasses that have swollen
  • A dripping waste or valve behind a panel

If you’re not sure, just call the office on 01277 525 020 or send details through our quote form and we will give you a straight answer.

What we seal

  • Showers, trays and wet room floors
  • Urinals and WCs
  • Kitchens and tea points
  • Vanity units and basins
  • Accessible toilets and changing rooms
  • IPS panels and cubicles

Doing it in-house

The visible bead is only part of the job. Correct depth, the right primer and a sealant matched to the movement are easy to get wrong without experience.

Some joints are best left to specialists: for example fire-rated seals that must match a tested detail, trafficked floor joints and external movement joints. A poor seal in places like these tends to cost more to put right later.

Accreditations

Trusted. Accredited. Insured.