Oxfordshire · England
Sand mastic for sash & case windows in Swinford, Oxfordshire
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for Swinford, backed by a one-year guarantee. Call for a quick quote.
- Draughts and rain around sash boxes
- Patchy fillers round a sash window
- Mastic dropping out of the joint
Honest limits
We’d rather tell you now than do work that won’t last, so here’s what sealant can’t put right:
- Timber that has rotted
- Sashes that rattle, stick or will not open
- Masonry that needs repairing
If you’re not sure, just ring 0345 464 0079 or email us and we’ll give you a straight answer before booking.
What we seal
- Tenement windows
- Timber door frames
- Stone surrounds
- Sash and case windows
- Brick reveals
- Period & listed homes
Sand mastic in Swinford, done properly
Sand mastic suits most period window surrounds. On modern frames we’d normally use a flexible sealant and we’ll explain which is best for yours. We’re often asked to deal with mastic dropping out of the joint and window mastic to renew ahead of painting, on sash and case windows, tenement windows and brick reveals.
In a village or hamlet like Swinford, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these do not always suit modern silicone, so the sealant has to be chosen to suit the building.
We stand behind the work with a one-year guarantee, so you are covered after we’ve gone.
- Where
- Swinford (OX29)
- Region
- Oxfordshire
- Guarantee
- One year on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
Keeping the joints in good condition
Simple care keeps the joints in good condition. Our advice:
- Avoid patching sand mastic with silicone
- Leave the new mastic unpainted
- Avoid heavy scraping on the mastic joint
- Inspect the joints round the windows every year or so
Look at the mastic when you look over the windows. Small cracks are easier to deal with early.
Gaps round a sash box let in draughts and rain. Left, the gap tends to get bigger as more mastic falls out.
Quotes for sand mastic in Swinford
Your quote is based on your job. We take into account:
- The number of rooms or windows
- How much old sealant there is and how hard it is to remove
- Mould in or behind the old joints
- Which sealant suits the joint
Rather than a set price list, we price the job in front of us: the amount of work, the old material and the access. The price is agreed before we begin.
Asking for a quote
What to tell us when you ask for a quote:
- Any access issues, like height or stairs
- If it’s domestic, commercial or a hotel
- How many joints, rooms or windows are involved
- Whether it has been sealed before
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.
What happens on the day
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 a few hours per window, depending on the condition of the joints for a typical job. In a small place like Swinford, access is generally the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- First we agree which joints need doing.
- We remove the old, loose mastic.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- The surface is finished to suit the stone or brick.
Preparing for the visit
- Let us know about earlier repairs to the joints
- Mention any sign-in or site rules at work premises
- Tell us if parking is tricky
Ask for a quote
Getting a quote is simple: let us know the job and the location, and roughly how big it is. A few photos by email make the job easier to understand.
Related advice
Why act early in Swinford
Filling over old, loose mastic doesn’t last. Raking out and preparing the joint gives it a sound base so the new work lasts. Older cottages and farmhouses around Swinford can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Combining jobs into 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 Swinford clients choose us
- Fully insured
- Arbo and Everbuild products
- We never seal over old sealant
- We leave the area clean and tidy
Take a look at how sealant jobs are priced or what customers say.
Towns and villages near Swinford
More services for Swinford
Landlord and commercial work in Swinford
Letting agents and landlords in Swinford can book us as well as householders. Sealant work between tenants keeps a property looking cared for before the next move-in.
We also work for property managers and facilities teams in Swinford and across Oxfordshire. We can quote a run of properties together.
What the job involves on each surface
Brick reveals
Loose mastic comes out and deep gaps are packed before pointing.
Timber door frames
Door frames get knocked and soaked and the mastic can crack early. We rake it out and renew it.
Swinford homes and the weather
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day. With historic houses such as Appleton Manor (about 4.4 miles south) nearby, there’s older building stock in the area around Swinford as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
For site and facilities teams at buildings such as Eynsham Community Primary School, its window and door frames need their mastic kept sound, just like a home’s. If you let a flat or house near Hanborough station, cracked sand mastic around sash windows lets in the draughts tenants complain about. For an older house near a landmark such as Church of St Leonard, frames set in older brick or stone need a sealant that suits the wall as well as the frame.
Swinford is about 6 miles west of Oxford, in Oxfordshire. Homes, rented property, offices and hotels in Swinford can book us for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. Swinford is one of 443 places in Oxfordshire we cover for sand mastic. Our Oxford page covers work nearby, about 6 miles away.
Jobs for sand mastic in OX29 works the same way as everywhere else we cover. Nearby, we also carry out sand mastic in Eynsham (1 mile north-west), Farmoor (1 mile south-east), Cassington (1 mile north-east), Filchampstead (2 miles south) and Wytham (2 miles east). Further out, we also cover Oxford (6 miles east), Didcot (12 miles south-east), Bicester (12 miles north-east), Abingdon-on-Thames (7 miles south-east), Witney (6 miles west) and Carterton (10 miles west).
What’s near Swinford
We work in homes and buildings around The Talbot Public House and Attached Stable and Bartholomew School, among other places. Swinford’s nearest station is Hanborough station, roughly 3.6 miles north. A little further out are Oxford Castle and earlier settlement remains (4.4 miles east) and Oxford Bus Museum (3.6 miles north). For a walk, there’s Cumnor Hill and Hook Meadow and The Trap Grounds.
Swinford: your questions answered
Will you come out to Swinford?
Yes, Swinford is covered. We work across London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Is Swinford in your area for sand mastic?
Yes, Swinford is within the area we cover. Our work covers London and the South East. Just call 0345 464 0079 or send us an email with a few details of the job, and we’ll give you a clear quote.
What exactly is sand mastic?
It’s the traditional filler for the joint round timber windows and doors. It combines sand with a linseed-oil-based binder.
What do you need from me for a quote?
A short description and the location, with pictures by email if possible. We’ll ask anything else we need to know.
Can tenants book the work?
Of course. Ask your landlord first, and we can send them the quote if that helps.
Should I use sand mastic or silicone?
It depends on the window. On many period windows, sand mastic looks right and suits the building, while modern frames normally get a flexible sealant.
Where are you based?
We work from Crawley. Our applicators cover Swinford.
What guarantee comes with the work?
Our one-year guarantee covers every job, sand mastic included.