Greater London · England

Glazing & conservatory sealant in Cranham, Greater London

We cover Cranham for glazing silicone for conservatories, rooflights, glass panels and shower screens. Old material cut out, joints cleaned and sealed neatly and a one-year guarantee.

  • Rooflight joints letting water in
  • Drips on the inside of a conservatory window
  • New silicone smeared over old sealant

Glazing silicone for Cranham homes and businesses

Cranham homes and the weather

London and the South East are among the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. In a converted house or block, who looks after the windows depends on the lease, so check that before booking.

Cranham is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book. In the older streets around St Luke's Cranham, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. If you look after a building such as Hall Mead School, its window and door frames need their mastic kept sound, just like a home’s.

Cranham is about 2 miles east of Hornchurch, in Greater London. From the centre of Cranham to the outskirts, we cover glazing silicone for every kind of property, from flats and houses to offices and hotels. Cranham is one of 764 towns and villages in Greater London where we work. Our Chelmsford page covers work nearby, about 15 miles away.

Work in RM14 is quoted and booked the same way as anywhere else. Local streets include Avon Road, Moor Lane and Front Lane. If you’re just outside Cranham, we cover Upminster (1 mile west), Puddle Dock (1 mile east), Upminster Bridge (1 mile west), North Ockendon (2 miles south-east) and Emerson Park (2 miles north-west). We also work in nearby towns such as Shoreditch (15 miles west), Walthamstow (13 miles west), Hoxton (15 miles west), Whitechapel (15 miles west), Orpington (14 miles south-west) and Plaistow (11 miles west).

What’s near Cranham

Typical jobs here are in homes near The James Oglethorpe Primary School, The Crumpled Horn pub and St. Andrew's Park. Cranham’s nearest station is Upminster station, about 0.7 miles west of the centre. Other landmarks nearby include The Mercury Mall (3.7 miles west) and Upminster Tithe Barn Museum of Nostalgia (0.6 miles north-west). Green spaces nearby include Cranham Brickfields.

Map of Cranham © OpenStreetMap contributors

Glazing silicone in Cranham, done properly

We work across Cranham on glazing joints for homes and businesses. From conservatories to shower screens, it’s the same careful method, with a sealant chosen for the joint. We are often asked to deal with mouldy sealant around glass panels and water tracking down the inner face of the glass, across glass-to-frame joints, conservatory frames and glass-to-glass joints.

London has a lot of flats and conversions, where windows are often on upper floors. Who looks after the outside of the frames can depend on the lease, so check that first, and access in Cranham is something to talk through when you book.

Your job is guaranteed for a year, as with all our work.

Location
Cranham (RM14)
Region
Greater London
Cover
12 months on all our work
Price
Quoted before any work starts
Phone
0345 464 0079
Updated
26 October 2026
Close-up of hands using a sealant gun on the joint between a glass shower screen and tiles

When it is not the sealant

We will not take on work that won’t last, so these are the limits:

  • Misting between the panes of a double-glazed unit (a failed unit for a glazier)
  • Cracked or broken glass
  • Structural problems with a conservatory roof

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

Joints and surfaces we work on

  • Conservatory frames
  • Rooflights
  • Glass balustrade bases
  • Glass-to-glass joints
  • Shower screens
  • Glass-to-frame joints

How the job changes by surface

Glass-to-glass joints

Frameless glass corners and panels are joined with silicone. We reseal with a suitable glazing silicone.

Conservatory frames

Conservatory frame joints are a common source of leaks. We remove the failed sealant and renew it.

What happens if it’s left?

If the problem is a misted unit or a broken panel, sealant won’t help. We will tell you that rather than seal it anyway, so you can call the right trade. Converted houses in London often have a bathroom above someone else’s living room, and a slow leak from a failed seal can end up in the flat below. Putting it right early is much less trouble.

Instead of a standard rate, 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.

Why book with us

  • A sealant colour to suit the surroundings
  • White, clear, grey or coloured to suit, where the product allows
  • Colour agreed with you before work begins
  • An ARBOMaster approved applicator

See what affects the cost or our reviews.

DIY versus a professional finish

Sealing over old silicone is the commonest DIY error. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. All the old material has to come out first.

Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.

Questions from Cranham

Do you work for landlords with property near Upminster station?

Yes, we work for landlords and agents. You can phone 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.

Do you cover Cranham for glazing silicone?

Yes, Cranham is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or drop us an email and tell us what needs doing.

Do you seal glass balustrade bases?

We can, if the base joint is sealed. Photos help us see what’s there.

Are you an approved applicator?

Yes. ARBOMaster is the approved applicator scheme for Arbo sealants, and we are part of it.

Can you quote for more than one area?

Yes. Just list everything you need.

Is it messy?

Very little: the area around the joints is protected first, and we tidy up before we go.

Can a conservatory leak be sealed?

Yes, when the leak is a failed sealant joint. If it’s a broken panel, failed unit or roof problem, we’ll tell you.

What sealant do you use on glazing?

Glass needs a sealant made for glazing. We use neutral-cure glazing silicone and anti-fungal silicone in wet areas.

Landlords, agents and businesses in Cranham

Hotels need rooms back in use, so the work can be planned room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.

Housing providers, facilities teams and property managers book us too in Cranham and across Greater London. We can quote a run of properties together, and we’re fully insured.

How the visit works

On the day, there’s very little for you to do. Show us the job and we will take it from there. The job generally takes a few hours for most jobs, including the tidy-up. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in Cranham. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. First, we trace the leak and check it’s coming through a sealant joint.
  2. Old silicone is cut away from the glass and frame without scratching either.
  3. We clean the joint with a solvent that suits the glass and frame.
  4. New glazing silicone goes in and is tooled to a neat finish.
  5. We check the joints and, where safe, run water over them.

Getting ready for the visit

  • Tell us about any water getting in
  • Where the joints are inside, avoid wetting them before we arrive
  • Tell us about access, such as stairs, a lift or high-level joints

How to get a quote

For glazing silicone in Cranham, call 0345 464 0079 or drop us an email. Tell us what the problem is and where, and we’ll agree the price before any work begins.

Ask for a quote

Advice

Looking after it afterwards

Simple care keeps the joints in good condition. We recommend:

  • Open vents or windows to let moisture out
  • Clear the conservatory gutters regularly
  • Keep harsh solvents off the silicone
  • Inspect the sealant on glazing annually

Follow the cure time we give you before the joints get wet. After that, clean glass with a mild cleaner.

Shower screen leaks can go unnoticed. Water can soak into the floor or reach the room below long before you see it.

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