Greater London · England
Old Oak Common Glazing Silicone
Glazing silicone in Old Oak Common from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Mouldy sealant around glass panels
- Glazing silicone that has cracked or come away
- A quick top-up bead that didn’t last
Frames and glazing around Old Oak Common
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. In London conversions and blocks, the lease decides who is responsible for the frames, so it’s worth checking before booking.
Schools such as Old Oak Primary School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s. Letting a property close to Willesden Junction station? Then leaking glazing joints, shower screens or conservatory seals are worth sorting between tenancies.
Old Oak Common is about 1 mile south of Harlesden, in Greater London. We carry out glazing silicone for homes and businesses in Old Oak Common and the surrounding area, as part of our work across Greater London. Across Greater London, we cover 764 places, and Old Oak Common is one of them. For nearby work, see our London page.
Postcode districts we cover here for glazing silicone: NW10, W3 and NW26. You will find streets such as Atlas Road, Tubbs Road and Waldo Road, all of which we cover. We also cover the places around Old Oak Common: College Park (1 mile north-east), Harlesden (1 mile north), Kensal Green (1 mile east), Park Royal (1 mile west) and North Kensington (1 mile east). We also work in nearby towns such as London (7 miles east), City of Westminster (4 miles east), Marylebone (4 miles east), Kensington (3 miles south-east), St Pancras (6 miles east) and Shoreditch (7 miles east).
Local landmarks in Old Oak Common
Around Old Oak Common, our work takes us to homes and buildings near Green Man Public House, Library for Iranian Studies and Star Chamber Academy and the streets around them. Also close by are Little Wormwood Scrubs (0.8 miles east) and St Claudine's Catholic School for Girls (0.8 miles north). Old Oak Common has its own railway station: Willesden Junction station. Nearby you will also find Westfield London (1.7 miles south-east) and Hammersmith Hospital (0.8 miles south-east). The countryside around Old Oak Common includes Hanger Hill Wood and Campden Hill.
About our glazing silicone in Old Oak Common
Glass, frames and walls all move at different rates, and the silicone between them takes the strain. When it cracks or lets go, water gets in. We cut it out and reseal with a glazing silicone suited to the joint. If you are dealing with a quick top-up bead that didn’t last and rooflight joints letting water in, we can put it right, on glass-to-glass joints, glass-to-frame joints and conservatory frames alike.
From mansion-block windows to modern glazing in new flats, London has every kind of frame. The mastic around them dries out and cracks with age, letting in draughts and water.
The work is covered for a year after we finish. If there’s a problem with it, please call 0345 464 0079 or send us an email.
- Where
- Old Oak Common (NW10, W3, NW26)
- Wider area
- Greater London
- Guarantee
- 12 months on all our work
- Price
- A clear price before we start
- Telephone
- 0345 464 0079
- Last updated
- 26 October 2026

How the job changes by surface
Glass-to-frame joints
Old sealant is removed carefully from the glass and reseal with glazing silicone.
Glass balustrade bases
The base joint is cut out and resealed. We do not install or replace glass.
What affects the cost of glazing silicone
The price is agreed before any work begins. It’s based on:
- When we can work, for business premises
- The type of sealant required
- The number and length of the joints
- Whether there’s mould to deal with
We do not show prices on the website, because the cost depends so much on the job itself. For a quick quote, please ring 0345 464 0079 or send us an email.
Asking for a quote
A few details help us give you an accurate quote. When you ask for a quote, tell us:
- If someone has resealed it before
- The type of property
- Roughly how big the job is
- Any access issues, like height or stairs
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we’ll explain how we’d tackle it. Whenever you are ready, ring 0345 464 0079 or email us.
What we do, step by step
Before we leave, we go over the finished joints with you and explain the cure time. The visit itself usually takes a few hours, depending on how many joints need doing, depending on the size of the job. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- We find where water is getting in and check whether it’s a sealant joint.
- Old silicone is cut away from the glass and frame without scratching either.
- The glass and frame are cleaned and degreased.
- We apply a neutral-cure glazing silicone and tool it smooth.
- We check the joints and, where safe, run water over them.
Preparing for the visit
- Clear the area around the work
- Tell us about any previous sealing or DIY attempts
- Keep children and pets away from the work area
Ask for a quote
Need a quote? Please call 0345 464 0079 or drop us an email with a few details. We will explain what we’d do and give you a clear price before any work starts.
Advice
Old Oak Common questions
Can you help a landlord with a rental near Willesden Junction station?
Yes, rental work is part of what we do. 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 any work starts.
Can parking be tricky for a visit in Old Oak Common?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. The visit is then planned around what’s available.
How long should I leave it?
It depends on the product and the temperature. Before we leave, we will tell you the cure time.
Can you quote for more than one area?
Yes, we can. Several rooms, windows or areas can go on one quote.
Which silicone is used for glass joints?
A glazing-grade silicone is best. Ours is a neutral-cure glazing silicone with anti-fungal products in bathrooms.
What guarantee do I get?
All our work has a one-year guarantee.
Can you just put new silicone over the old?
Topping up is a common cause of leaks. We remove the old silicone, clean the joint and reseal.
Do you remove the old sealant?
Yes, always, and completely. New silicone doesn’t stick to old silicone, so the joint is cleaned back first.
Why deal with it now?
Topping up old silicone can look like a fix, but silicone does not stick to silicone and water soon finds its way back. A proper reseal is the lasting answer. In a London flat, a failed joint rarely stays your problem alone: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.
Doing several joints on one visit is generally more efficient than separate visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
Why choose Mr Mastic in Old Oak Common
- You choose the colour before work begins
- Arbo and Everbuild products
- ARBOMaster approved applicator
- 4.9 on Google from 180+ five-star reviews
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We remove it and do the joint properly, so tell us about it when you ask for a quote.
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. Where it goes wrong is sealing over the old bead, working on a wet joint or overloading the gap.
What we can’t put right
It helps to know what we can’t do too:
- Condensation trapped between two panes
- A broken pane or roof panel
- Structural problems with a conservatory roof
If you are not sure, just ring 0345 464 0079 or send us an email and we will give you a straight answer.
What we seal
- Conservatory frames
- Shower screens
- Glass-to-glass joints
- Rooflights
- Glass balustrade bases
- Glass-to-frame joints
Towns and villages near Old Oak Common
Other services in Old Oak Common
What we’re called out for in Old Oak Common
The wrong sealant is a common cause. Some products don’t bond well to glass, and acetoxy types can attack some frame materials.
If you can see any of these, it’s time to have the joints looked at:
- Leaks from the base of a shower screen
- Water running down inside the glass
- Water getting into a conservatory at the joints
- Leaking glazing joints on a rooflight
For an older house near a landmark such as Church of Eritrean Orthodox Brent, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Questions to ask before you book
- Is the old sealant removed completely?
- What insurance they hold
- How hidden problems are handled
- Whether the sealant suits the joint
