Oxfordshire · England
Charney Bassett Sand Mastic
Traditional burnt sand mastic around sash and case windows and doors in stone and brick in Charney Bassett, with a 12-month guarantee on every job. Call for a quick quote.
- Old cement repairs round a window that have failed
- Failed mastic on an exposed elevation
- A silicone bead on a sash window that spoils the look
Sand mastic in Charney Bassett, done properly
Sand mastic has long been used to fill the joint between timber frames and masonry. It’s made from sand and a linseed-oil-based binder, applied by hand. On older homes, it suits the building far better than silicone. If you have mastic that needs renewing before redecorating and old sand mastic that has cracked, crumbled or fallen out, we can put it right, whatever the surface.
In a village or hamlet like Charney Bassett, older cottages and farmhouses often have timber windows set in stone or brick. Not every older frame suits a modern silicone bead, and sometimes a traditional sand mastic is the better choice.
A 12-month guarantee comes with the work, just as it does everywhere we cover.
- Place
- Charney Bassett (OX12)
- Region
- Oxfordshire
- Cover
- 12 months on all our work
- Price
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
When it is not the sealant
We’d rather tell you now than do work that will not last, so here’s what sealant can’t put right:
- Damaged stone surrounds
- Sashes that rattle, stick or won’t open
- Rotten sashes, sills or window boxes (a joiner’s job)
Not sure which it is? You can call 0345 464 0079 or email us and we will tell you honestly.
Joints and surfaces we work on
- Stone surrounds
- Sash and case windows
- Brick reveals
- Timber door frames
- Period & listed homes
- Tenement windows
Work for landlords, hotels and businesses
We work for letting agents and landlords as well as householders. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. We’ve worked in hotels as well as homes and businesses.
When to call us in Charney Bassett
Some old mastic was never deep enough. Mastic that is too thin cracks and drops out, which is why we pack deep voids first and get the depth right.
The most common problems we see are:
- Modern sealant on a period surround
- Gaps round a timber door in stone or brick
- Mastic worn away on windows facing the weather
- Gaps between timber frames and stone or brick
If you live in an older home near Church of St Peter, the joint between an old wall and a newer frame is usually the first place rain gets in.
Questions to ask before you book
- Whether all the old sealant comes out first
- What the quote includes, VAT included or not
- What product goes in the joint
- Whether you can choose the colour
Should I try it myself first?
Some jobs are best left to a professional: high-level joints, fire-rated gaps, external movement joints and big jobs call for the right materials, safe access and experience.
If you’re set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it does not work out, we can still put it right.
What happens on the day
When we get to you, we compare the joints with what we discussed. If anything is different, we explain it before carrying on. Most jobs then take anything from a few hours to a full day, depending on how many windows. For a village or hamlet like Charney Bassett, the journey is planned in advance: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- First we agree which joints need doing.
- Old mastic and any loose material are raked out.
- Deep gaps are packed so the mastic sits at the right depth.
- The sand mastic is mixed and pressed into the joint by hand.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Keep children and pets away from the work area
- Mention any leaks or damp you’ve noticed
- Mention any sign-in or site rules at work premises
Ask for a quote
To get a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. You’ll have a clear quote before we start.
Advice
Your questions about sand mastic in Charney Bassett
Do you cover Charney Bassett for sand mastic?
Yes. We work across London and the South East, and Charney Bassett is part of that. You can ring 0345 464 0079 or drop us an email and tell us what needs doing.
Do you cover smaller places like Charney Bassett?
Yes, Charney Bassett is covered. Our work covers London and the South East, and smaller places are part of that. Longer journeys are simply planned in advance.
Should I try DIY first?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. If it doesn’t work out, we can redo it.
Is it possible to take out silicone and use sand mastic instead?
Yes, we do this often. All the old silicone is removed first so the mastic beds in well.
Do I have to be there?
We need access to the joints, so we will agree that with you when we book. For inside work, that normally means someone being in.
Are you an approved applicator?
Yes. We are an ARBOMaster approved applicator, the approved applicator scheme for Arbo sealants.
Can you quote for more than one area?
Of course. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
Can you match the sealant colour?
Yes. White, clear and grey are common, and other colours are available for many products, and we agree the colour with you before work begins.
Nearby places to Charney Bassett
More services for Charney Bassett
Windows and doors in Charney Bassett
London and the South East are among 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 Longworth House (about 2.9 miles north) nearby, there’s older building stock in the area around Charney Bassett as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Around Charney Bassett, as everywhere, sand mastic is only as good as the preparation behind it.
Charney Bassett is about 4 miles north of Wantage, in Oxfordshire. If you need sand mastic in Charney Bassett, it’s easy to get a quote: please call 0345 464 0079 or send us an email. We cover Oxfordshire from our Crawley base. 443 places in Oxfordshire are on our list. We also work in Oxford, about 12 miles from Charney Bassett.
Work in OX12 is quoted and booked the same way as anywhere else. Sand mastic is available to properties on Main Street, Buckland Road and New Road and the roads around them. Other places close to Charney Bassett include Lyford (1 mile east), Denchworth (2 miles south), Pusey (2 miles north-west), West Hanney (2 miles south-east) and Goosey (2 miles south-west). Further out, we also cover Oxford (12 miles north-east), Didcot (9 miles east), Abingdon-on-Thames (8 miles east), Witney (10 miles north), Carterton (10 miles north-west) and Wantage (4 miles south).
Local landmarks in Charney Bassett
Typical jobs here are in homes near The Chequers pub, among other places. Nearby you’ll also find Longworth Hospital (5.7 miles west) and Hinton Waldrist Castle (2.7 miles north). Green spaces nearby include Chain Hill.
How we quote for sand mastic
Every job gets its own quote. These are the things that affect it:
- Working hours on commercial sites
- The number and length of the joints
- Which sealant suits the joint
- Mould in or behind the old joints
Rather than a set price list, we price the job in front of us: how many joints, what’s in them now and how we reach them. You will know the price before we begin.
Helping us quote
The more you tell us, the more accurate the quote. When you get in contact, it helps to mention:
- Any access issues, like height or stairs
- The type of property
- Whether it has been sealed before
- How many joints, rooms or windows are involved
It all starts with a short chat. Tell us what’s wrong, where it is and how much there is, and we will explain how we’d tackle it. When it suits you, ring 0345 464 0079 or drop us an email.
Keeping the joints in good condition
After the cure time, these simple habits help:
- Do not paint over the new mastic
- Have rotten timber repaired before new mastic goes in
- Keep modern sealant off the mastic
- Take care around the mastic when scraping paint
Keep gutters and sills clear so water runs away from the surround. Water sitting against the mastic shortens its life.
Fine cracks show the mastic is starting to fail. It’s easier to renew it before it drops out.