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

Washroom Sealing in Holland Park

Sealant work in Holland Park for main contractors, managing agents and facilities managers: sealing in commercial washrooms, showers, kitchens and wet areas, quoted at a fixed price.

  • Stained sealant around pans and urinals
  • Open joints along basins and vanity units
  • Shower tray joints that have opened up
1
Send details
Drawings, photos, a joint schedule or a site visit.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
12-month guarantee on our workmanship.
South East, London & Scotland
Constructionline member
£5m public liability

Washroom sealing in Holland Park

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

Keeping the joints sound

For the best life from the joints:

  • Keep washrooms out of use until we say the sealant has cured
  • Add sealant joints to planned maintenance checks
  • Act on the first split you see at a shower tray
  • Make sure washroom ventilation is running

If a joint we sealed fails within 12 months, tell us and we’ll look at it. After that, a routine look catches failing joints early.

A split joint at a shower tray can leak for a long time before anyone sees it. By then, other trades may be needed as well, so reseal when you first spot a split.

Washroom sealing in Holland Park

Since 2005 we have resealed commercial washrooms for facilities teams, contractors and building owners. We are CHAS accredited and a Constructionline member, with CSCS-carded applicators. There is public liability insurance behind every job. Every resealed washroom carries our 12-month guarantee. We work on vanity units and basins, kitchens and tea points and IPS panels and cubicles, and the failures we are asked to look at most are urinal joints that look unhygienic and users noticing mouldy joints. Searching for sealant specialists in Holland Park? We have been sealing commercial buildings since 2005, with CSCS-carded applicators.

Restaurants, cafés and hotel kitchens across London have joints at worktops, sinks and wall cladding that need to stay smooth and cleanable. We use sanitary and hygienic sealants, choosing food-safe products where food may touch the surface.

The 12-month guarantee covers our workmanship: preparation, application and finish. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

The Mastic Doctor team beside their liveried vans in front of an office building
Location
Holland Park (W8, W11, W14)
Region
Greater London
Guarantee
12 months on our workmanship
Quote
Quoted before any work starts
Telephone
01277 525 020
Updated
3 November 2026

Questions we’re asked in Holland Park

Do you take on work at healthcare sites like Cromwell Hospital?

Yes, healthcare and care buildings are part of our work. Before anything starts, the estates team agrees permits, inductions and infection-control measures with us.

Do you work in London buildings with loading restrictions?

Yes, we plan every London job around the building’s own access rules. Say when the building is occupied and when it’s quiet, and we’ll plan accordingly. The ULEZ covers the whole of Greater London, which we allow for

Do you work in Holland Park?

Yes. We cover Holland Park, and the simplest way to start is to ring 01277 525 020 or send details through our quote form.

How long does a typical visit take?

We plan the time on site around your programme and access. You will have an expected duration with the quote.

What’s the quickest route to a quote?

You can use the quote form on this site; alternatively, call 01277 525 020 or email us. Include photos or drawings if you have them.

What will the job cost?

It depends on the job: quantities, access, the product and any phasing. Call for a quote.

Do you do washroom sealing in healthcare settings?

We do. Your infection-control rules, estates requirements and permits are followed, and phase the work so areas keep facilities.

On site: what to expect

Tell us your site hours and access windows and we will plan around them. On the day, the work area is kept contained and tidy, and we check in with your contact before moving on to each new area. For a job in Holland Park, access comes first. Send the building rules and access times with your enquiry.

  1. We survey each room, count the joints and note anything behind them that needs another trade.
  2. The phasing is agreed so there are always facilities open.
  3. We strip out the old bead and clean off the residue left behind.
  4. We clean and dry every surface so the new sealant can grip.
  5. A bead of anti-mould sanitary silicone goes in and is tooled to a smooth, cleanable profile.
  6. Each room is handed back once the sealant has had its cure time.

Before we start on site

  • For older buildings, check the asbestos register before work
  • Confirm the product named in the specification
  • Flag any permit to work we will need

Ask for a quote

Specifications, drawings and tender packages are welcome with any enquiry, and we’ll price the work to it. For smaller jobs, photographs and a description will do.

Ask for a quote

Related advice

Why it’s worth doing now in Holland Park

A tired washroom says a lot about how a building is run. Visitors notice black sealant even when the room is otherwise spotless. Resealing is a modest task with a very visible payoff. In Holland Park, each extra visit means more notices, permits and disruption, so cutting the old sealant out fully and doing it right once is the better route.

What a job costs comes down to the quantity of joints, what has to come out first and how the joints are reached. Call for a fixed quote when you’re ready.

What you get with us

  • Standard and matched colours in many product ranges
  • Fully insured, including public liability cover
  • Health and safety: CHAS accredited
  • Commercial sealant work since 2005

See how commercial sealant jobs are priced or our accreditations and insurance.

Honest limits

We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:

  • Water from plumbing, not from a joint
  • Hollow tiles or loose panels behind the joint
  • A room that stays damp because ventilation isn’t working

Not sure which it is? You can call the office on 01277 525 020 or email a schedule or drawings and we will tell you honestly before you book.

Where we work in Holland Park

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

What we’re called out for in Holland Park

Washrooms are warm, damp and full of organic residue, and sealant joints trap all three. Anti-mould additives help, but in a poorly ventilated room mould can still take hold eventually.

Any of the following is a good reason to get the joints checked over:

  • Sealant lifting along a tray edge
  • Kitchen worktop joints that can’t be kept clean
  • Black mould inside silicone joints that cleaning can’t shift
  • Washrooms that look worn because of the sealant

Clinical washrooms at sites like Cromwell Hospital, 0.8 miles south-east of Holland Park, are scheduled with the ward so the room is out of use for as little time as possible.

Questions to ask before you book

  • How they handle RAMS and site documents
  • The named product and why it was chosen
  • Who will actually carry out the work
  • How they’ll work around occupants

Questions to ask before you appoint anyone

Surface by surface

Changing rooms and gyms

Changing rooms can be phased so one stays open. Tell us your site hours and access windows and we will plan around them.

Basins and vanity tops

Natural stone tops can be marked by acetoxy silicone and we choose a neutral-cure grade for them.

Keeping Holland Park washrooms open while we work

There are a good number of hotels within about 2 miles of Holland Park. Hotel en suites take daily use, and tired silicone at trays and basins is one of the first things guests notice. A London building with hundreds of occupants can’t lose every washroom for a day, so we phase the work core by core or floor by floor with the building manager.

Colleges such as St Mellitus Theological College (1 mile south-east of Holland Park) have toilets, changing rooms and catering kitchens that can be resealed around term dates. At a university such as University of Westminster, which lies south of Holland Park, summer is the usual window for resealing residence bathrooms.

Holland Park is about 1 mile north of Kensington, in Greater London. We cover Holland Park, with the same fixed quotes and 12-month guarantee as everywhere else. Holland Park is one of 764 places in Greater London on our list.

Anyone looking for washroom sealing in W8, W11 and W14 gets the same process as the rest of our area: send details, get a quote, we seal, guaranteed. If your site is on Dukes Lane, Milson Road and Elsham Road or close by, send details and we’ll quote for washrooms and wet areas. Access to Holland Park is via the A402 and A4204. Close to Holland Park, our area also takes in Kensington (1 mile south), Notting Hill (1 mile north), Shepherd's Bush (1 mile west), Notting Dale (1 mile north) and White City (1 mile north-west). Nearby towns on our patch include London (5 miles east), Marylebone (3 miles east), St Pancras (4 miles north-east), Shoreditch (6 miles east), Walthamstow (10 miles north-east) and Hoxton (6 miles east).

Local landmarks in Holland Park

We work on buildings around Kensington Palace Green, Abdus Salam Library and Windsor Castle in Kensington pub. You will also find Kensington School (0.6 miles south-east) and Fox Primary School (under half a mile north-east). Holland Park’s nearest station is Kensington Olympia station, about 0.5 miles south-west. Nearby you’ll also find London Museum (0.7 miles east) and St Mary Abbot's Hospital (0.7 miles south-east). The countryside around Holland Park includes Campden Hill and WWT London Wetland Centre.

Map of Holland Park © OpenStreetMap contributors
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