Greater London · England
Sand Mastic in Stoke Newington
Professional sand mastic in and around Stoke Newington, with old sealant always removed completely and a one-year guarantee.
- Draughts and rain around sash boxes
- A silicone bead on a sash window that spoils the look
- Mastic that needs renewing before redecorating
Windows and doors in Stoke Newington
In London conversions and blocks, the lease decides who is responsible for the frames, so it’s worth checking before booking. Historic houses like Sutton House (about 1.7 miles south-east) are a reminder that the area around Stoke Newington 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.
Letting a property close to Stoke Newington station? Then any sash windows need sound mastic to keep draughts and rain out. If you live in an older home near Old Church of St Mary, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Stoke Newington is about 2 miles north-west of Hackney, in Greater London. From the centre of Stoke Newington to the outskirts, sand mastic is available for homes and businesses alike. Stoke Newington is one of 764 towns and villages in Greater London where we work.
Jobs for sand mastic in N16 and N4 works the same way as everywhere else we cover. If you need sand mastic at a property on Schonfeld Square, Stoke Newington High Street and Lordship Terrace or a nearby road, we can help. You will find Stoke Newington on the A503 and B104, which makes it straightforward to reach with everything needed for sand mastic. We also cover West Hackney (1 mile east), Stamford Hill (1 mile north-east), Newington Green (1 mile south), Manor House (1 mile north-west) and Shacklewell (1 mile south-east). Further out, we also cover London (4 miles south), City of Westminster (5 miles south-west), Marylebone (4 miles south-west), Kensington (7 miles south-west), St Pancras (3 miles south-west) and Shoreditch (3 miles south).
Around Stoke Newington
Around Stoke Newington, our work takes us to homes and buildings near Abney Park, Rose and Crown pub and Stoke Newington School and Sixth Form and the streets around them. Nearby too are Stoke Newington School and Sixth Form (under half a mile south) and Church of St Andrew (0.5 miles north). The closest station to Stoke Newington is Stoke Newington station, roughly 0.5 miles east of the centre. A little further out are Hackney Walk (1.8 miles south-east) and Arsenal Football Club Museum (1.2 miles west). Green spaces nearby include Woodberry Wetlands and Hollow Pond.
About our sand mastic in Stoke Newington
If your home is listed or in a conservation area, check with your local planning authority whether consent is needed for work to windows. Like-for-like sand mastic is often the preferred finish. Typical jobs include mastic round period door frames that has failed and mastic that needs renewing before redecorating, on timber door frames, period & listed homes and tenement windows.
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 Stoke Newington as anywhere.
Our work is backed for twelve months.

- Location
- Stoke Newington (N16, N4)
- Wider area
- Greater London
- Guarantee
- One year on every job
- Quote
- A clear quote up front
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Aftercare tips
Good habits help new joints last longer. Our tips:
- Do not run silicone over sand mastic
- Look over the window mastic once a year
- Ask the planning authority about consent for listed or conservation-area homes
- Take care around the mastic when scraping paint
Do not run silicone over the new mastic. If you see a crack, ask us to take a look before trying a quick fix.
An open joint round the box lets weather through. The longer it’s left, the more the joint opens.
How the job changes by surface
Sash and case windows
Most of our sand mastic work is on sash windows. Each joint round the box is raked out and renewed.
Stone surrounds
The stone is treated with care while raking out the old mastic.
What sealant work cannot fix
New sealant can’t fix everything, and we’d rather say so up front. Sealant won’t put right:
- Cracked or broken glass
- Masonry that needs repairing
- Decisions on consent for listed homes
Not sure which it is? You can call 0345 464 0079 or send us an email and we’ll tell you honestly.
What we seal
- Sash and case windows
- Period & listed homes
- Brick reveals
- Tenement windows
- Timber door frames
- Stone surrounds
Also near Stoke Newington
What else we do in Stoke Newington
Work for landlords, hotels and businesses
We also work for property managers and facilities teams. We can quote a run of properties together, and we are fully insured.
Failed sealant is one of the commonest items on a check-out report, and it’s easy to sort out between tenants. Several properties can be quoted together.
Signs you need sand mastic in Stoke Newington
Sand mastic slowly weathers. It dries out, cracks and loses its grip from the frame or the masonry.
If you can see any of these, it’s time to have the joints looked at:
- Mastic dropping out of the joint
- Window mastic to renew ahead of painting
- Gaps round a timber door in stone or brick
- Weathered mastic on the most exposed windows
Schools such as St Mary's Church of England Primary School are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages.
What to look for in a quote
- What guarantee comes with the work
- When the joint can take water or movement
- Is the old sealant removed completely?
- Whether you can choose the colour
Stoke Newington: your questions answered
Do you work for landlords with property near Stoke Newington station?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. You can phone 0345 464 0079 or send us an email with the details for a clear quote.
Can you do sand mastic in Stoke Newington?
Yes. Our work covers London and the South East, and Stoke Newington is part of that. Just ring 0345 464 0079 or email us with a few details of the job, and we will give you a clear quote.
Is it messy?
Very little: the area around the joints is protected first, and we tidy up before we go.
Can you seal over the old sealant?
No, it will not last. It may look fine at first, but the new layer lifts away from the old one. The old sealant has to come out completely.
What information do you need?
A short description and the location. We’ll ask anything else we need to know.
Where do you work from?
We’re based in Crawley, and we work across South East England, London and Scotland.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We explain the product when we quote.
Can you quote for more than one area?
Yes. Several rooms, windows or areas can go on one quote.
DIY versus a professional finish
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
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.
How the visit works
A visit follows a simple pattern: we look at the joints together, protect the area around them, carry out the job and clear up. It generally takes anything from a few hours to a full day, depending on how many windows. In Stoke Newington, as in most of London, parking needs a little planning. It helps if you can point us to a visitor permit or a bay close to the door.
- First, we look at the surrounds with you and agree what needs doing.
- Old, loose mastic is raked out and the joint cleaned.
- Large voids are packed out first, so the mastic is not too thick.
- We mix the sand mastic and apply it by hand, shaping it to the joint.
- The mastic is finished to sit tidily against the stone or brick.
How to prepare
- On commercial sites, let us know about site rules
- Plan for the work area to be out of bounds to pets and children
- Move anything stored near the joints
Ask for a quote
To get a quote, ring 0345 464 0079 or email us with the location and a short description of the problem. We’ll give you a clear quote before any work starts.
