Greater London · England
Hackney Wick Window Mastic
Window mastic in Hackney Wick from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Cracked internal joints between frame and plaster
- A bead that doesn’t match the frame
- Untidy mastic left by window fitters
How we handle window mastic in Hackney Wick
A cold draught around a closed window often comes from the frame edge. A new joint stops the air getting through. Where the air is getting in through the window itself, we will say so. If you’re dealing with whistling draughts around closed windows and gaps where the sill meets the wall, we can put it right, on window sills, aluminium frames and patio & French doors alike.
London homes have every kind of window, from timber sashes in period terraces to aluminium and uPVC in newer blocks. Over the years, the sealant around them shrinks, cracks and pulls away, letting in draughts and water.
Whatever the size of the job, you get the same 12-month guarantee.
- Where
- Hackney Wick (E3, E9, E20)
- Region
- Greater London
- Guarantee
- One year on every job
- Quote
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
What window mastic looks like in Hackney Wick
Historic houses like Sutton House (about 1.3 miles west) are a reminder that the area around Hackney Wick has older buildings as well as new. Where a home is older, older timber frames in brick or stone need a different approach from a modern uPVC window. In a converted house or block, who looks after the windows depends on the lease, so check that before booking.
Letting a property close to Hackney Wick station? Then cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. Managing a site like Mossbourne Riverside Academy? Then larger buildings have plenty of frames, and the mastic around each one ages.
Hackney Wick is about 1 mile west of Stratford, in Greater London. Anywhere in E3, our applicators can take on window mastic. Hackney Wick is one of 764 places in Greater London where we work.
Our applicators cover all of the E3, E9 and E20 postcode area for window mastic and the streets around it. We cover properties on Wick Lane, Dace Road and Wyke Road and the roads around them. Nearby, we also carry out window mastic in Fish Island (1 mile south), Donnybrook Quarter (1 mile south-west), Old Ford (1 mile south), Temple Mills (1 mile north-east) and East Village (1 mile north-east). Further out, we also cover London (4 miles south-west), City of Westminster (6 miles west), Marylebone (6 miles west), Kensington (8 miles west), St Pancras (4 miles west) and Shoreditch (3 miles south-west).
Around Hackney Wick
Typical jobs here are in homes near Mulberry UTC, Mabley Green and Mulberry UTC, among other places. Hackney Wick has its own railway station: Hackney Wick station. Nearby you’ll also find Tower of London (3.3 miles south-west) and V&A East (under half a mile east). Open spaces near Hackney Wick include Tower Hill and Old Ford Island.
Towns and villages near Hackney Wick
More services for Hackney Wick
Different surfaces, different methods
Patio & French doors
Patio and French doors have the longest joints on most houses. Most leaks start at the bottom corners, so they get particular care.
Composite doors
Front doors take the weather head on, and the top and bottom corners tend to fail first. We pay most attention there.
Quotes for window mastic in Hackney Wick
The quote reflects the job in front of us. We look at:
- When we can work, for business premises
- How many areas need sealing
- The old material and how stubborn it is
- How easy the joints are to reach
Rather than a set price list, we look at what your job involves: how many joints, what’s in them now and how we reach them. You’ll know the price before we begin.
What to tell us for a quote
You do not need to know the technical terms. It helps if you can tell us:
- The address or postcode of the job
- Whether it has been sealed before
- How many joints, rooms or windows are involved
- Whether it’s a home or a business
For window mastic in Hackney Wick, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we will agree the price before any work begins.
How it works
At the end, we look at the finished work together. The visit itself normally takes a few hours for a few frames, or a day or more for a whole house, depending on the size of the job. In Hackney Wick, flats, stairs and shared entrances are part of the routine. If the building has a concierge, managing agent or access rules, tell us when you book.
- First, we confirm safe access to each frame.
- All the failed sealant is cut away.
- Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
- Deep voids are backed, then the sealant is gunned in.
- We tool the joint so water runs off, then clear up.
Getting ready for the visit
- Tell us about any water getting in
- Move anything stored near the joints
- Try not to wet indoor joints just before the visit
Get a quote
Want a quote for window mastic? Please ring 0345 464 0079 or drop us an email and tell us about the job. We’ll explain what we’d do and give you a clear quote before we start.
Related advice
What we’re called out for in Hackney Wick
Joint shape matters as much as the product. A skim of sealant over a wide gap soon tears, while a joint packed solid cannot stretch. Backing rod sets the right depth.
The most common problems we see are:
- Cold air getting in at the frame edge
- Mastic that has split away from the wall
- Rushed sealant from a window installation
- Sealant in the wrong colour for the frame
As a London address, Hackney Wick can be tricky for parking: let us know about parking bays, permits or a driveway.
Before booking anyone
- Whether they seal over old material or remove it
- Whether the sealant suits the joint
- Whether they’re fully insured
- Which colour the sealant will be
Hackney Wick: your questions answered
Is Hackney Wick in your area for window mastic?
Yes. Our work covers London and the South East, and Hackney Wick is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job.
Can you help a landlord with a rental near Hackney Wick station?
Yes, we work for landlords and agents. You can call 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before work begins.
Is the work guaranteed?
Yes. Our one-year guarantee covers every job.
Are you fully insured?
Yes. We are fully insured, with over 20 years’ experience in sealant work.
Does someone need to be in?
That depends on where the joints are. For work indoors, someone needs to let us in, while outside work can sometimes be arranged differently.
Can you match the sealant to my frames?
Yes. White, brown, anthracite grey, black and clear sealants are all available, so the joint suits the frame.
Do you work on first-floor windows?
Yes, where it’s safe. For high or awkward windows, we will tell you what access is needed.
When is the sealant fully cured?
It depends on the product and the conditions. Before we leave, we’ll tell you the cure time.
Keeping the joints in good condition
Joint life depends on how it’s used and looked after. Here’s what we suggest:
- Keep jet washers away from the mastic
- Repaint timber before it’s bare
- Wash the frames with mild soapy water
- Check the mastic once a year
Wipe the frames with soapy water when you clean the windows, and avoid solvent cleaners on the sealant.
A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Catching it early keeps the fix to a reseal.
When something else is needed
It helps to know what we cannot do too:
- Damp coming through the wall itself rather than the frame joint
- A frame that has rotted at the joint
- Worn gaskets, brush seals or a door that has dropped
Not sure which it is? You can phone 0345 464 0079 or drop us an email and we’ll tell you honestly before you book.
Joints and surfaces we work on
- uPVC windows
- Composite doors
- Timber windows & doors
- Patio & French doors
- Window sills
- Aluminium frames
DIY versus a professional finish
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Sealing over old silicone is the commonest DIY error. Silicone doesn’t stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.