Greater London · England
Window & door mastic in Tower Hill, Greater London
Mastic around window and door frames, sills and patio doors in Tower Hill, with a one-year guarantee on every job. Ask us for a quote.
- Hard, cracked sealant around windows
- Old mastic that has gone black or come away
- Gaps left after new windows were fitted
Windows and doors in Tower Hill
Compared with the north and west, the South East gets less rain, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. In London conversions and blocks, the lease decides who is responsible for the frames, so check that before you book.
If you let a flat or house near London Fenchurch Street station, cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. Managing a site like The Aldgate School? Then its window and door frames need their mastic kept sound, just like a home’s. Tower Hill is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.
Tower Hill is about 1 mile north-east of London, in Greater London. Our applicators cover window mastic for homes and businesses in Tower Hill and nearby, as part of our work across Greater London. Tower Hill is one of 764 places in Greater London where we work.
All of SE1, E1 and E1W is covered for window mastic, from the main roads to the quietest streets. Whether your property is on Bush Lane, Swan Lane and Mark Lane or a nearby road, our applicators can take on the job. Being close to the A3 and A10, Tower Hill is simple for us to get to. Other places close to Tower Hill include Aldgate (1 mile north), Bishopsgate (1 mile north), Spitalfields (1 mile north), Whitechapel (1 mile north-east) and St George in the East (1 mile east). Larger places within reach include City of Westminster (3 miles west), Marylebone (3 miles west), Kensington (5 miles west), Walthamstow (6 miles north-east), Hampstead (5 miles north-west) and Ruislip (15 miles west).
Local landmarks in Tower Hill
We work in homes and buildings around Bishopsgate Institute Special Collections and Archives, The Liberty Bounds pub and Fund Academy. You will also find St Mary-at-Hill (less than half a mile north-west), William Curtis Ecological Park (within half a mile south) and St Michael's Catholic College (0.7 miles south-east). Tower Hill has its own railway station: London Fenchurch Street station. Well-known places in the area include Tower of London (within half a mile east) and London Bridge Hospital (within half a mile south-west). Green spaces nearby include Lavender Pond and Ludgate Hill.
Window mastic for homes and businesses in Tower Hill
The mastic around a window or door seals the gap between the frame and the wall. When it cracks, hardens or pulls away, draughts and rain get in. The old mastic is removed and the joint resealed with a flexible exterior sealant. We work on timber windows & doors, composite doors and aluminium frames, and common reasons people get in touch are untidy mastic left by window fitters and draughty joints inside around the window.
Much of London’s older housing was built with timber sash windows, some still in place and some long since replaced. Either way, the mastic between frame and brickwork is what stops draughts and rain getting in, in Tower Hill as anywhere.
Each job carries a 12-month guarantee, large or small.
- Place
- Tower Hill (SE1, E1, E1W)
- Wider area
- Greater London
- Cover
- A year, on every job
- Price
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
What affects the quote in Tower Hill
Your quote is based on your job. We take into account:
- Whether old sealant or filler has to be cut out
- Any mould that needs treating
- The number of rooms or windows
- The size of the job
Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part, and we will explain the quote if you ask.
What to tell us for a quote
You don’t need to know the technical terms. Just tell us:
- Whether it has been sealed before
- The type of property
- Any access issues, like height or stairs
- Where the job is, and your postcode
We quote each job on its own. Simply ring 0345 464 0079 or email us and describe the job, and pictures are welcome.
DIY sealant or a professional job?
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is.
Aftercare tips
Once the sealant has cured, a few habits help it last:
- Ventilate rooms so frames don’t stay wet inside
- Check the mastic once a year
- Paint up to the joint, not over it
- Clear any debris from frame drain holes
Silicone can’t generally be painted, so if you are planning to paint the frames or walls, tell us beforehand. There are paintable sealants for joints that need it.
Draughts get worse, not better. As the old mastic shrinks further, more air gets through, and heat escapes around the frame. Resealing closes it.
Tower Hill: your questions answered
Do you cover Tower Hill for window mastic?
Yes. We work across London and the South East, and Tower Hill is part of that. You can phone 0345 464 0079 or send us an email and let us know what needs doing.
Do you work for landlords with property near London Fenchurch Street station?
Yes. We work for landlords and letting agents as well as householders, and several properties can go on one quote. You can ring 0345 464 0079 or email us with the details for a clear quote.
Can you quote for more than one area?
Yes. Tell us about everything you’d like done.
Do you seal inside as well as outside?
Yes. Draughts often come through the inside gap too, so it can be worth sealing both.
Are you fully insured?
Yes. Full insurance covers our work.
Can new sealant go over the old?
No, because it fails. The old sealant always comes out first, so the new joint bonds to clean surfaces.
How long does it take to reseal the windows on a house?
Allow a morning for a couple of windows and a door. Access and the amount of old mastic make the biggest difference.
Will new mastic stop draughts?
Yes, where the draught is at the frame edge. We check where the draught is before any work starts.
What happens on the day
At the end, we look at the finished work together and tell you how long to leave it. The work normally takes most of a day for a typical house, less for a few frames, depending on the size of the job. In a London area like Tower Hill, the main things to plan are parking and access: tell us about permits, visitor bays or off-street space, which floor we’re working on and whether there’s a lift.
- First, we confirm safe access to each frame.
- Old, cracked mastic is removed completely.
- Frame and wall are cleaned and must be dry before sealing.
- Deep voids are backed, then the sealant is gunned in.
- The joint is shaped to shed water and the area tidied.
Before we arrive
- Keep pets and children clear of the area while we work
- Mention any sign-in or site rules at work premises
- Clear items away from the joints we’re working on
Getting a quote
For a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We will give you a clear price before any work starts.
Read more
Surface by surface
Composite doors
An exposed front door gets wind-driven rain. Those corners get the most care.
Window sills
Stone and concrete sills have their own joints, and the joint under the frame can let rain run behind. Those are sealed with a product suited to stone or concrete.
Honest limits
We will always be straight with you, so here’s what new sealant won’t do:
- Misting between the panes of a double-glazed unit (that needs a new unit)
- Damp coming through the wall itself rather than the frame joint
- Soft or decayed wood in the frame
If in doubt, ring 0345 464 0079 or email us and we will say what we think before booking.
What we seal
- Window sills
- Timber windows & doors
- Aluminium frames
- Composite doors
- Patio & French doors
- uPVC windows
Places near Tower Hill
More services for Tower Hill
Leave it or put it right?
Not every sealant suits a window. Decorators’ caulk and bathroom silicone aren’t designed for outside joints that move. An exterior, low-modulus sealant stays flexible in sun and frost. In older London homes, water behind a failed joint soaks into brick and timber without much sign, and by the time it shows on a wall or ceiling in Tower Hill, the repair is bigger than the sealant job would have been.
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote and we’ll talk you through it.
What you get with us
- Any old sealant cut out fully, not covered over
- Colour picked to suit the job
- Over 20 years’ experience
- An ARBOMaster approved applicator
See our cost guide and customer reviews.