Greater London · England
Paddington Green Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Paddington Green, backed by a one-year guarantee. Ask us for a quote.
- Mastic that needs renewing before redecorating
- Crumbling sand mastic round a window
- Gaps round a timber door in stone or brick
How the visit works
You do not need to clear the whole room or building, only the area right around the joints. Everything nearby is protected, and the work takes anything from a few hours to a full day, depending on how many windows for a typical job. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. Mention any building rules, key holders or managing agents when you book.
- We check each window surround and the condition of the joint.
- The joint is raked out and cleaned.
- We fill deep gaps so the new mastic is not too thick.
- New sand mastic is applied and shaped by hand.
- We finish the mastic to a tidy line.
Before we arrive
- Let us know about parking restrictions
- On commercial sites, let us know about site rules
- Tell us about any previous sealing or DIY attempts
Getting a quote
The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and add photos by email if you can.
Advice
How we handle sand mastic in Paddington Green
On many period windows, sand mastic looks right and suits the building. Newer frames generally get a flexible sealant instead and we will explain which is best for yours. We work on timber door frames, sash and case windows and brick reveals, and people most often call us about mastic that needs renewing before redecorating and silicone on a period window that looks wrong.
London’s Victorian and Edwardian terraces were built with timber sash windows, and many still have them or their replacements. Either way, the mastic between frame and brickwork is what stops draughts and rain getting in.
You’re covered for a year from the day we finish. If there’s a problem with it, please ring 0345 464 0079 or email us.
- Where
- Paddington Green (W2, W1H, NW8)
- Region
- Greater London
- Cover
- One year on every job
- Quotes
- A clear price before any work starts
- Phone
- 0345 464 0079
- Page updated
- 26 October 2026
Paddington Green questions
Is parking a problem for a job in Paddington Green?
Parking in Paddington Green, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly.
Can you do sand mastic in Paddington Green?
Yes. We work across London and the South East, and Paddington Green 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.
What information do you need?
The location, the problem and the rough size of the job. If you can, email a few photos.
What does sand mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or email us with a short description of the job.
How long does the job take?
That depends on how much there is to do, but most jobs take a few hours for a single window, longer for several. We will give you a better idea when we quote.
What is sand mastic?
Sand plus a binder based on linseed oil. It’s built up in the joint by hand and shaped to suit the surround.
Is there any odour?
Sometimes, a little. It fades as the sealant cures.
Which is right for my windows, sand mastic or modern sealant?
That depends on your windows. On many period windows, sand mastic looks right and suits the building, while modern frames normally get a flexible sealant.
What the job involves on each surface
Stone surrounds
The stone is treated with care when the old mastic comes out.
Sash and case windows
The box of a sash and case window sits in the stone or brick opening. The gap round it is pointed with sand mastic.
Looking after it afterwards
After the cure time, these simple habits help:
- Check the mastic when you check the paintwork
- Check with your local planning authority if your home is listed
- Clear gutters so water does not pour onto the windows
- Ask a joiner to look at soft timber first
Don’t run silicone over the new mastic. If you see a crack, ask us to take a look before trying a quick fix.
It’s best to renew mastic before painting the windows. Paint over cracked mastic only covers it up.
What sealant work can’t fix
It helps to know what we cannot do:
- Decayed frames that need repair
- Sash cords, weights and draught-proofing of the sashes
- Cracked or broken glass
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer.
Surfaces we seal
- Timber door frames
- Brick reveals
- Stone surrounds
- Sash and case windows
- Tenement windows
- Period & listed homes
What affects the quote in Paddington Green
You’ll get a clear quote before any work starts. It takes into account:
- How easy the joints are to reach
- When we can work, for business premises
- How much old sealant there is and how hard it is to remove
- The type of sealant required
The cost reflects the work involved, not guesswork. That’s why we ask a few questions first.
What to tell us for a quote
Before you ask for a quote, have a think about:
- Whether it has been sealed before
- Roughly how big the job is
- Access, such as stairs, a lift or height
- Pictures of the joints, sent by email
For sand mastic in Paddington Green, phone 0345 464 0079 or send us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before work begins.
Signs you need sand mastic in Paddington Green
Age is the main cause. Even well-laid mastic needs renewing in time, depending on exposure and upkeep.
Common reasons people contact us include:
- Cracked mastic round a front door frame
- Mastic that needs renewing before redecorating
- Modern sealant on a period surround
- Crumbling sand mastic round a window
Rented homes near London Paddington station change hands often, and any sash windows need sound mastic to keep draughts and rain out.
What to look for in a quote
- Who turns up on the day
- Whether the sealant suits the joint
- The length of the guarantee
- How long to leave it before use
Towns and villages near Paddington Green
Also in Paddington Green
Paddington Green homes and the weather
In a converted house or block, who looks after the windows depends on the lease, so it’s worth checking before booking. 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.
Schools such as Ark Paddington Green Primary Academy are buildings too, and larger buildings have plenty of frames, and the mastic around each one ages. If you live in an older home near St Mary on Paddington Green Church, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Paddington Green is about 1 mile north-west of City of Westminster, in Greater London. Jobs in Paddington Green get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Paddington Green is one of 764 towns and villages in Greater London where we work.
All of W2, W1H and NW8 is covered for sand mastic, from the main roads to the quietest streets. If you need sand mastic at a property on Harrow Road, Craven Road and Lanark Road or anywhere close by, our applicators can take on the job. Paddington Green is on the A5 and A40, so it’s easy for us to get to with everything needed for sand mastic. If you’re just outside Paddington Green, we cover Paddington (1 mile south-east), Little Venice (1 mile west), Lisson Grove (1 mile north-east), Hyde Park Estate (1 mile south-east) and Connaught Village (1 mile south-east). Within a short drive, we also cover London (4 miles south-east), St Pancras (3 miles east), Shoreditch (4 miles east), Walthamstow (8 miles north-east), Hoxton (4 miles east) and Whitechapel (5 miles east).
What’s near Paddington Green
Typical jobs here are in homes near Royal Society of Medicine Library, International Community School and Sir Alexander Fleming pub, among other places. You will also find North Westminster Community School (within half a mile east) and Kensington Gardens (0.9 miles south). Paddington Green has its own railway station: London Paddington station. Nearby you’ll also find Harrods (1.5 miles south) and London Toy & Model Museum (0.6 miles south-west). Not far away are The Long Water and Greville Place nature reserve.
Why deal with it now?
Replacing sash windows is a big decision for a period home and on a listed home, consent may be needed. If the frames are sound, renewing the mastic deals with gaps and draughts at the surround. In London conversions, one flat’s bathroom is often above another flat’s ceiling, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Dealing with it early is far simpler for homes in Paddington Green.
The cost depends on the amount of work, how hard the old material is to remove and access to the work. You will have a clear quote before any work starts, so you know where you stand.
Why us?
- Arbo and Everbuild products
- Anti-fungal sanitary silicone in wet areas
- 20+ years of sealant experience
- A 12-month guarantee on all work
Take a look at how sealant jobs are priced or what customers say.