Greater London · England

Commercial & hotel sealant in Greenhill, Greater London

Commercial sealant in Greenhill from a team with over 20 years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Water marks on ceilings under bathrooms
  • Failed joints in office kitchens and tea points
  • Large numbers of bathrooms needing the same work

Commercial sealant near Greenhill

Workplaces and buildings in Greenhill

There are hotels and other places to stay in and around Greenhill. For hotels, a room-by-room programme keeps most rooms in use while the work goes on. London’s water is hard, which leaves limescale on sealant, grout and taps, and it has to be cleaned off before new sealant goes in.

Greenhill is in London, so parking needs planning: let us know about parking bays, permits or a driveway. Community buildings like Rosslyn Hill Unitarian Chapel are part of the picture too: its kitchen and washroom sealant needs looking after like anywhere else.

Greenhill is about 1 mile north-east of Hampstead, in Greater London. Every kind of property in Greenhill is covered for commercial sealant, old or new, large or small. The work is guaranteed for a year. Across Greater London, we cover 764 places, Greenhill among them.

Work in NW3 and NW6 works the same way as everywhere else we cover. Whether your property is on Back Lane, Well Road and Ornan Road or a nearby road, we can help. We also cover the places around Greenhill: Hampstead (1 mile south-west), Vale of Health (1 mile north), West Hampstead (1 mile west), Fortune Green (1 mile west) and Haverstock (1 mile south-east). Within a short drive, we also cover London (5 miles south-east), City of Westminster (3 miles south), Marylebone (3 miles south-east), Kensington (4 miles south), St Pancras (3 miles south-east) and Shoreditch (5 miles south-east).

Local landmarks in Greenhill

Typical jobs here are in homes near Cecil Sharp House, Fitzjohn's Primary School and King William IV Public House. Nearby too are South Hampstead High School (0.6 miles south) and Hampstead Heath (0.7 miles north-east). There’s a railway station in Greenhill itself: Hampstead Heath station. Well-known places in the area include New End Hospital (within half a mile north-west) and Montfichet's Tower (4.3 miles south-east). Not far away are Belsize Wood and Parliament Hill.

Map of Greenhill © OpenStreetMap contributors

Commercial sealant in Greenhill

Student halls, care homes and supported housing have many similar bathrooms. We agree a programme and work through them in order, working around residents and staff routines. Typical jobs include worktop sealant that has shrunk and stained and water marks on ceilings under bathrooms, on rental portfolios, welfare facilities and retail & leisure sites.

London’s offices, shops, hotels, student accommodation and blocks of flats all have joints to look after, from washroom silicone to fire-rated sealant around pipes and cables passing through walls. Out-of-hours working can be arranged where a building in Greenhill cannot close.

We stand behind the work with a one-year guarantee.

Applicator in a navy top running a bead of silicone up a shower screen wall profile
Where
Greenhill (NW3, NW6)
Wider area
Greater London
Cover
One year on every job
Price
Quoted before any work starts
Phone
0345 464 0079
Updated
26 October 2026

For landlords and businesses

Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. Hotel work is part of what we do, alongside homes and businesses.

For anyone letting property in or around Greenhill, several properties can go on one quote. Just tell us the addresses and what each one needs.

Signs you need commercial sealant in Greenhill

Shower trays and baths in busy buildings move more: different weights, constant use and daily cleaning all work at the joint. If a tray flexes, the sealant around it splits.

Look out for any of the following:

  • Worktop sealant that has shrunk and stained
  • Repeated reseals that don’t last
  • Leaks from showers into rooms or ceilings below
  • Tired sealant in let properties

For landlords with property near Hampstead Heath station, several rental properties can be resealed on one programme.

What to look for in a quote

  • What guarantee comes with the work
  • What the cure time is
  • Whether the sealant suits the joint
  • What happens if they find a problem under the old sealant

Our hiring checklist

How the visit works

We keep the work tidy and contained to the area we’re working on. The job generally takes a few hours per room, so whole buildings are phased. In Greenhill, as in most of London, parking needs a little planning. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. We agree a programme with you: which rooms, in what order, at what times.
  2. Tell us what paperwork your site needs, and we confirm what we can supply before we start.
  3. In each room, the old bead comes out and the joint is cleaned and treated.
  4. We reseal with the right product for each joint.
  5. Each finished area is checked with you and given a cure time.

Before we arrive

  • Let us know about earlier repairs to the joints
  • Let us know if you’ve seen damp or leaks
  • Let us know about parking restrictions

Get a quote

There’s no standard price list, because every job is different. Instead, we send you a clear quote for your job. To get started, call 0345 464 0079 or drop us an email.

Get a price

Read more

DIY sealant or a professional job?

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.

A careful DIYer can reseal a simple joint, 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.

How we quote for commercial sealant

The quote reflects the job in front of us. We look at:

  • Any mould that needs treating
  • Whether old sealant or filler has to be cut out
  • The type of sealant required
  • Access and height

The cost reflects the work involved, not a rough estimate. That is why we ask about the job first and give you a clear quote before any work starts.

What we need to know

A few details help us give you an accurate quote. When you get in contact, it helps to mention:

  • The type of property
  • Pictures of the joints, sent by email
  • Where the property is
  • Any previous sealing or DIY work

Getting a quote is simple: let us know the job and the location. Photos by email help us understand the job.

How to look after the new joints

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

  • Plan resealing around quiet periods
  • Leave squeegees in busy showers
  • Note the date each area was done
  • Act on lifting sealant before it leaks

Squeegees in guest and staff showers help: less water sits on the joints between uses.

Watch for the warning signs: mould, splits, peeling corners or water marks downstairs. When you see them, it’s time to plan a reseal.

What we cannot put right

Honest advice matters more to us than a booking, so here’s what sealant can’t fix:

  • A shower tray, bath or basin that’s cracked or broken
  • Extraction that is not working, which needs an electrician or ventilation contractor
  • Certifying fire stopping or building compliance

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

Joints and surfaces we work on

  • Retail & leisure sites
  • Hotel bathrooms
  • Student & care accommodation
  • Office washrooms & kitchens
  • Rental portfolios
  • Welfare facilities

FAQs for Greenhill

Is parking a problem for a job in Greenhill?

In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.

I let a flat near Hampstead Heath station. Can you help?

Yes, landlords and agents are among the people we work for, and several properties can be quoted together. You can ring 0345 464 0079 or drop us an email with the details for a clear quote.

Are you ARBOMaster approved?

Yes. Mr Mastic is an ARBOMaster approved applicator.

What should I tell you?

Tell us what needs doing and where, plus pictures if you have them. If we need more, we’ll ask.

Do you provide RAMS?

We are fully insured, and we will go through your site’s requirements with you. Send over your requirements and we’ll confirm what we can provide.

Can I choose the sealant colour?

Most of the time, yes. We will explain which colours are available and agree one before any work starts.

Can you reseal every bathroom in a hotel?

Yes. After a site walk, we agree the scope and sequence, and give you one clear quote.

Can you seal over the old sealant?

No, because it fails. We remove every bit of old sealant first, so the new joint bonds to clean surfaces.

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