Hampshire · England
Sand mastic for sash & case windows in Butlocks Heath, Hampshire
Our applicators work in Butlocks Heath on traditional burnt sand mastic around sash and case windows and doors in stone and brick. Old sealant removed completely, joints prepared properly and a one-year guarantee.
- Gaps round a timber door in stone or brick
- Mastic that needs renewing before redecorating
- Open joints round the window box
Sand mastic in Butlocks Heath
If your home is listed or in a conservation area, check with your local planning authority if consent is needed before window work. Sand mastic is often favoured as a like-for-like material. We work on tenement windows, stone surrounds and brick reveals, and common reasons people get in touch are window mastic to renew ahead of painting and old sand mastic that has cracked, crumbled or fallen out.
Homes in small places like Butlocks Heath often stand in the open, with little to shelter their windows from wind and rain. That exposure dries out and cracks the mastic around frames and sills faster.
Whatever the size of the job, you get the same 12-month guarantee in Butlocks Heath and across Hampshire.
- Location
- Butlocks Heath (SO31)
- Wider area
- Hampshire
- Guarantee
- One year on every job
- Price
- A clear price before we start
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
What happens on the day
Good joint work is mostly preparation, and we don’t rush it. Joints are cleaned back and dried before anything new goes in. All told, the work takes a few hours per window, depending on the condition of the joints. For a village or hamlet like Butlocks Heath, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.
- We look at the surrounds with you and agree the joints to renew.
- We remove the old, loose mastic.
- We pack any deep voids first.
- We apply the mastic by hand and shape it.
- We dress the finish so it sits neatly against the masonry.
How to prepare
- Let us know if you’ve seen damp or leaks
- Move anything stored near the joints
- Try not to wet indoor joints just before the visit
Get a quote
For sand mastic in Butlocks Heath, call 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you will get a clear quote before we start.
Advice
FAQs for Butlocks Heath
I let a flat near Netley station. Can you help?
Yes, landlords and agents are among the people we work for, and several properties can go on one quote. You can call 0345 464 0079 or send us an email with the details for a clear quote.
Does the coastal weather in Butlocks Heath affect outside sealant?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.
What should I tell you?
Tell us what needs doing and where, plus pictures if you have them. We’ll ask anything else we need to know.
Can I add another job to the visit?
Yes. Tell us about everything you’d like done and we will quote it together.
How much does sand mastic cost in Butlocks Heath?
Size, access and the old material all affect the cost. Call for a quick quote.
Is it possible to paint over sand mastic?
It’s traditionally left unpainted, which is what traditional guidance recommends. Ask us before decorating.
Do you cover Butlocks Heath?
Yes. We are based in Crawley and work across South East England, London and Scotland, Butlocks Heath included.
Can I choose the sealant colour?
Yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before any work starts.
Landlord and commercial work in Butlocks Heath
We work for landlords and letting agents as well as householders. Sealant work between tenants keeps a property looking cared for.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we’ll give you a quote.
Signs you need sand mastic in Butlocks Heath
Over the years, sand mastic weathers. It hardens, cracks and starts to come away on the stone or timber.
The most common problems we see are:
- Mastic round period door frames that has failed
- Draughts and rain around sash boxes
- Crumbling sand mastic round a window
- Modern sealant on a period surround
Rented homes near Netley station change hands often, and older sash windows in a rental need their mastic kept sound to keep the weather out.
What your quote should include
- Who does the work, and how experienced they are
- Whether they’re fully insured
- Which colour the sealant will be
- Is VAT in the price?
When something else is needed
Some problems need a builder, plumber or other trade rather than us:
- Sashes that rattle, stick or won’t open
- Rotten sashes, sills or window boxes (a joiner’s job)
- Cracked or broken glass
If you are not sure, just call 0345 464 0079 or drop us an email and we will give you a straight answer before you book.
Where we work in Butlocks Heath
- Tenement windows
- Brick reveals
- Stone surrounds
- Period & listed homes
- Timber door frames
- Sash and case windows
What affects the quote in Butlocks Heath
For a quick quote, just ask. The main things that affect it are:
- The number and length of the joints
- How many rooms, windows or areas are involved
- Any working-time requirements on site
- Whether there’s mould to deal with
There are no prices on our website, because each job is priced on what it involves. Call for a quick quote.
What we need to know
There’s no need for technical detail. It helps if you can tell us:
- Roughly how big the job is
- Where the property is
- If someone has resealed it before
- How we’d reach the joints
We don’t publish a price list, because every job is different. Instead, your job gets its own clear quote. To arrange one, ring 0345 464 0079 or send us an email.
Also in Butlocks Heath
Different surfaces, different methods
Period and listed homes
Materials matter on listed and conservation-area homes. Like-for-like sand mastic is generally favoured.
Stone surrounds
Old stone surrounds are often uneven, so the gap isn’t the same all the way round. Sand mastic is shaped by hand to suit.
Keeping the joints in good condition
Looking after new joints is easy:
- Keep sills and gutters clear so water drains away
- Take care around the mastic when scraping paint
- Look over the window mastic once a year
- Keep modern sealant off the mastic
Make sure water drains away from the window surround. Water sitting against the mastic shortens its life.
Gaps round a sash box let in draughts and rain. Left, the gap tends to get bigger as more mastic falls out.
Butlocks Heath homes and the weather
Butlocks Heath is close to the coast, where wind-driven rain is a fact of life and, nearer the shore, so is salt air. That is hard on the mastic around older windows and doors, especially on the side facing the sea. Historic houses like Medieval Merchant's House (about 3.2 miles north-west) are a reminder that the area around Butlocks Heath 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.
If you live in an older home near Church of St Mary, frames set in older brick or stone need a sealant that suits the wall as well as the frame. Schools such as Netley Abbey Infant School are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Butlocks Heath is about 3 miles north-east of Hythe, in Hampshire. From the centre of Butlocks Heath to the outskirts, sand mastic is available for homes and businesses alike. We cover 683 towns and villages across Hampshire.
Postcode districts we cover here for sand mastic: SO31. Whether your property is on Woolston Road, Old School Close and The Grove or anywhere close by, we can help. Nearby, we also carry out sand mastic in Netley (1 mile south-west), Hound (1 mile south), Old Netley (1 mile north-east), Lowford (1 mile north-east) and Bursledon (1 mile north-east). Further out, we also cover Winchester (12 miles north), Gosport (10 miles south-east), Havant (15 miles east), Eastleigh (6 miles north), Fareham (6 miles east) and Horndean (14 miles east).
Landmarks near Butlocks Heath
Around Butlocks Heath, our work takes us to homes and buildings near The Hamble School, Grove Park Business and Enterprise College and Westwood Woodland Park. There’s a railway station in Butlocks Heath itself: Netley station. Other landmarks nearby include Westquay (3.4 miles north-west) and Bursledon Brickworks Industrial Museum (2.2 miles east). The countryside around Butlocks Heath includes Mercury Marshes.