Hampshire · England
Water End Sand Mastic
Problem with your window and door surrounds in Water End? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.
- Patchy fillers round a sash window
- Draughts and rain around sash boxes
- Window mastic to renew ahead of painting
Water End homes and the weather
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. Historic houses like The Vyne (about 4.1 miles north-west) are a reminder that the area around Water End has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic.
For an older house near a landmark such as St Swithun's church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Water End is about 4 miles east of Basingstoke, in Hampshire. Jobs in Water End get the same care as everywhere else we work: the old material taken out, joints prepared properly and a 12-month guarantee. Our area takes in 683 places across Hampshire, from the larger towns to small villages. For nearby work, see our Reading page (12 miles or so).
Every address in RG24 is within our area for sand mastic. Neighbouring places we cover for sand mastic include Andwell (1 mile south-west), Mapledurwell (1 mile south), Old Basing (2 miles west), Wildmoor (2 miles north) and Lychpit (2 miles west). We also work in nearby towns such as Basingstoke (4 miles west), Farnborough (11 miles east), Fleet (7 miles east), Aldershot (11 miles east), Alton (9 miles south) and Yateley (9 miles north-east).
Local landmarks in Water End
The closest station to Water End is Hook station, about 2.1 miles east of the centre. A little further out are Basing House (1.9 miles west) and Basingstoke and North Hampshire Hospital (4.4 miles west). Not far away are Dogmersfield Lake and The Mill Field.
About our sand mastic in Water End
If your home is listed or in a conservation area, check with your local planning authority whether consent is needed for work to windows. Sand mastic is often favoured as a like-for-like material. We work on tenement windows, sash and case windows and stone surrounds, and people most often call us about draughts and rain around sash boxes and failed mastic on an exposed elevation.
Outdoor sealant needs dry, clean surfaces, so work on frames around Water End is planned for dry weather. Tell us about access to every side of the house, including upper-floor windows.
There’s a 12-month guarantee on every job, whatever its size.
- Where
- Water End (RG24)
- Region
- Hampshire
- Cover
- 12 months on all our work
- Price
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026

Places near Water End
Also in Water End
Aftercare tips
Once the sealant has cured, a few habits help it last:
- Make sure water runs off the sill
- Do not paint over the new mastic
- Take care around the mastic when scraping paint
- Avoid patching sand mastic with silicone
Look at the mastic when you look over the windows. Catching cracks early keeps repairs small.
An open joint round the box lets weather through. The longer it’s left, the more the joint opens.
DIY versus a professional finish
The difference is mostly in the preparation and the product. Joints are cleaned back to sound surfaces and dried, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
If you’ve already had a go yourself, that’s fine. We cut it out and start again.
How it works
The work is kept neat and contained to the joints we are treating, so you can get on with your day. The job normally takes a few hours per window, depending on the condition of the joints. Somewhere as small as Water End, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- 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.
- We apply the mastic by hand and shape it.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Mention any leaks or damp you’ve noticed
- Let us know about parking restrictions
- Mention if the joints have been sealed before
How to get a quote
Call for a quick quote, or email us if that’s easier. Describe what needs sealing and we’ll explain what’s involved and give you a clear quote.
Read more
Honest limits
We’ll always be straight with you, so here’s what new sealant will not do:
- Putty and glazing repairs
- Sashes that rattle, stick or will not open
- Decisions on consent for listed homes
If you’re not sure, just call 0345 464 0079 or send us an email and we’ll give you a straight answer before booking.
Surfaces we seal
- Stone surrounds
- Brick reveals
- Period & listed homes
- Timber door frames
- Tenement windows
- Sash and case windows
Quotes for sand mastic in Water End
There’s no set price list, because jobs vary so much. What we look at:
- Access and height
- The size of the job
- The old material and how stubborn it is
- The number of rooms or windows
The cost reflects the work involved, not a rough estimate. That’s why we ask about the job first and give you a clear price before any work starts.
What to tell us for a quote
A few details help us give you an accurate quote. When you get in contact, it helps to mention:
- Any access issues, like height or stairs
- If it’s domestic, commercial or a hotel
- The rough size of the job
- The problem you’ve noticed
If you are in Water End and need sand mastic, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before we start.
Why it’s worth doing now in Water End
Not every draught comes from the sashes themselves. Open mastic joints round the box can let air in, and renewing the mastic closes them. Older cottages and farmhouses around Water End can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
A few things move the cost up or down: the old material and how easily it comes out, any mould to treat, and whether the work is at height. Your quote takes all of that into account.
Why us?
- 180+ five-star Google reviews
- 12-month guarantee on every job
- Sanitary silicone with an anti-fungal additive in wet areas
- We’re fully insured
Take a look at how sealant jobs are priced or customer reviews.
What we’re called out for in Water End
Shallow joints are a common cause. Mastic that’s too thin cracks and drops out, which is why we pack deep voids first and get the depth right.
People normally contact us after spotting something like this:
- Failed mastic on an exposed elevation
- Mastic round period door frames that has failed
- Draughty sash windows at the surround
- Silicone on a period window that looks wrong
Letting a property close to Hook station? Then any sash windows need sound mastic to keep draughts and rain out.
What your quote should include
- When the joint can take water or movement
- Who turns up on the day
- How the surfaces are prepared before sealing
- How the colour is chosen
Questions from Water End
Do you work for landlords with property near Hook station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before any work starts.
Is Water End in your area for sand mastic?
Yes. We work across London and the South East, and Water End is part of that. You can ring 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll give you a clear price.
Is consent needed for window work on a listed home?
Speak to your local planning authority before work starts. Like-for-like sand mastic is often the preferred finish, but they decide.
What is sand mastic?
A traditional pointing material made from sand and a linseed-oil-based binder, used between timber frames and stone or brick.
Can I paint the new mastic?
Traditional guidance is not to paint over sand mastic. If you are redecorating the window, ask us first and we will advise.
Are you insured?
Yes, we’re fully insured for every job we do.
What should I tell you?
Only a few details: the address or postcode, what’s wrong and any access issues. Then phone 0345 464 0079 or email us.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We explain the product when we quote.
