Greater London · England

Welling Glazing Silicone

We cover Welling for glazing silicone for conservatories, rooflights, glass panels and shower screens. Old sealant removed completely, joints prepared properly.

  • Split or lifting silicone on glass
  • New silicone smeared over old sealant
  • Stained, discoloured glazing silicone

Glazing silicone in Welling

Glazing silicone in Welling, done properly

Many conservatory leaks come down to failed sealant, where glass meets frame or frame meets wall. We find the joint that’s letting water in and renew it and tell you plainly if the cause is something else. We are often asked to deal with water tracking down the inner face of the glass and mouldy sealant around glass panels, on conservatory frames, shower screens and glass balustrade bases.

London’s Victorian and Edwardian terraces were built with timber sash windows, and many still have them or their replacements. Whatever is in the opening now, the joint between frame and wall is what keeps the weather out, in Welling as anywhere.

A 12-month guarantee comes as standard, so you’re covered after we have gone.

Location
Welling (DA16, DA15, DA6)
Region
Greater London
Cover
One year on every job
Quote
A clear price before we start
Telephone
0345 464 0079
Page updated
26 October 2026
Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter

Windows and doors in Welling

London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. With historic houses such as Danson House (about 0.4 miles south-east) nearby, there’s older building stock in the area around Welling as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.

Welling is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book. For an older house near a landmark such as St John's Church, replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint.

Welling is about 9 miles east of London, in Greater London. Welling gets the same service as everywhere we cover: old sealant removed completely, careful preparation and a 12-month guarantee. Our area takes in 764 places across Greater London. There’s also a page for London, about 9 miles away.

Work in DA16, DA15 and DA6 works the same way as everywhere else we cover. If you need glazing silicone at a property on Days Lane, Hook Lane and Lyme Road or a nearby road, our applicators can take on the job. With the A207 close by, Welling is simple for us to get to. We also cover Crook Log (1 mile east), Blendon (1 mile south-east), Upton (1 mile east), Bexleyheath (1 mile east) and West Heath (1 mile north-east). Larger places within reach include London (9 miles west), City of Westminster (12 miles west), Marylebone (12 miles west), Kensington (14 miles west), St Pancras (11 miles north-west) and Shoreditch (9 miles north-west).

Near you in Welling

Locally, jobs take us to homes and businesses close to Nags Head pub, Danson Park and Bexley Grammar School, among other places. For rail, the closest station is Welling station, roughly 0.5 miles north-west of the centre. Other landmarks nearby include Greenwich Castle (5 miles west) and Broadway Shopping Centre (1.6 miles east). Open spaces near Welling include The Tarn and Summer Hill.

Map of Welling © OpenStreetMap contributors

Signs you need glazing silicone in Welling

Not every leak is a sealant problem: broken panels, roof problems and blocked gutters can all let water in. That’s why we trace the leak first.

Signs it’s time to call us include:

  • Sealant that was laid over old silicone and failed
  • Failed joints on frameless glass
  • Leaks where conservatory glass meets the frame
  • Water tracking down the inner face of the glass

For site and facilities teams at buildings such as Danson Primary School, the mastic around its windows and doors needs looking after like any other building’s.

Comparing quotes

  • Are they insured?
  • When the joint can take water or movement
  • What product goes in the joint
  • How the joint is cleaned and prepared

Choosing a sealant specialist

Aftercare tips

So the new joints stay in good condition:

  • Keep harsh solvents off the silicone
  • Look over the glazing joints once a year
  • Stick to mild cleaners on glass
  • Avoid scraping close to the bead

Look over the glazing joints every year or so. Spotting a crack early means a simpler fix.

A leaking shower screen may not show at first. Water can soak into the floor or reach the room below before you spot it.

What the job involves on each surface

Conservatory frames

The joints where the conservatory meets the house take a lot of movement. We reseal them with a sealant suited to the frame.

Glass balustrade bases

Balustrade bases are exposed outdoors. A sound sealant joint keeps them tidy and dry.

Can I do it myself?

If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so just mention it when you contact us.

Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.

Welling questions

Can you do glazing silicone in Welling?

Yes, Welling is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or email us with a few details of the job.

Can you help a landlord with a rental near Welling station?

Yes. We work for landlords and agents as well as homeowners. Just call 0345 464 0079 or email us with the address and what needs doing, and we will give you a clear price.

Can you just put new silicone over the old?

Many leaks we see come from exactly that. A proper job means cutting out, cleaning and resealing.

Can a conservatory leak be sealed?

If the water is coming in through failed sealant joints, yes. If the cause is the roof, a panel or a unit, we’ll say so.

How long should I leave it?

That depends on the sealant used, so please follow the time we give you.

How long does the job take?

Most jobs take anything from an hour or two to most of a day, depending on the size of the job, including the preparation. We’ll confirm how long when we quote.

Is a special sealant needed for glass?

A glazing-grade silicone is best. Ours is a neutral-cure glazing silicone with anti-fungal products in bathrooms.

Do you hold any approvals?

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

How the visit works

On the day, we look over the joints with you first, so you know exactly what we are doing. Surfaces next to the work are protected before any work begins. The work generally takes a few hours, depending on how many joints need doing. In Welling, flats, stairs and shared entrances are part of the routine. Mention any building rules, key holders or managing agents when you book.

  1. First, we check where the water gets in.
  2. The failed silicone is cut out without marking the glass or frame.
  3. We clean the glass and frame so the new silicone bonds.
  4. A neutral-cure glazing silicone is applied and tooled.
  5. Each joint is checked and, where possible, water-tested.

How to prepare

  • Move anything stored near the joints
  • Let us know about earlier repairs to the joints
  • Tell us about access, such as stairs, a lift or high-level joints

Ask for a quote

To get a quote, phone 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We’ll give you a clear price before any work starts.

Get a quick quote

Related advice

What affects the quote in Welling

Jobs vary more than people expect. What affects the quote:

  • The number and length of the joints
  • How many rooms, windows or areas are involved
  • Whether the work is at height
  • When we can work, for business premises

Commercial jobs are quoted on the same basis as homes: the amount of work, how we reach it and what it needs. Ask us for a quote and we’ll go through it with you.

What to tell us for a quote

To help us quote quickly, please include:

  • If it’s domestic, commercial or a hotel
  • How we’d reach the joints
  • A few pictures by email, if you can
  • Where the property is

For glazing silicone in Welling, ring 0345 464 0079 or send us an email. Tell us what the problem is and where, and you will get a clear quote before work begins.

What sealant work can’t fix

New sealant can’t fix everything, and we’ll tell you before work begins. Sealant will not put right:

  • Rotten or badly damaged frames
  • A sagging or failing conservatory roof
  • Misting between the panes of a double-glazed unit (a failed unit for a glazier)

If you’re not sure, just call 0345 464 0079 or email us and we will give you a straight answer before you book.

Where we work in Welling

  • Glass-to-frame joints
  • Glass balustrade bases
  • Shower screens
  • Rooflights
  • Conservatory frames
  • Glass-to-glass joints
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job