West Sussex · England
Sand Mastic in Strettington
Traditional burnt sand mastic around sash and case windows and doors in stone and brick for householders, landlords and businesses in Strettington. Fully insured, ARBOMaster approved and guaranteed for a year.
- Window mastic to renew ahead of painting
- Mastic dropping out of the joint
- Open joints round the window box
DIY versus a professional finish
Not every job suits DIY: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
The difference is mostly in the preparation and the product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, and the work is guaranteed for a year.
About our sand mastic in Strettington
Sand mastic is the traditional way to point the gap between a timber window frame and the stone or brick around it. It’s a mix of sand and a linseed-oil-based binder and built up by hand. On period homes, it looks right where silicone wouldn’t. If you have mastic dropping out of the joint and weathered mastic on the most exposed windows, we can help, on brick reveals, tenement windows and stone surrounds alike.
Around Strettington, many homes face open ground, so their windows and doors take the full weather. Exposed frames and sills lose their mastic sooner than sheltered ones.
Big or small, you get the same one-year guarantee in Strettington and across West Sussex.
- Place
- Strettington (PO18)
- Wider area
- West Sussex
- Cover
- One year on every job
- Quotes
- Quoted before any work starts
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
What affects the quote in Strettington
You will get a clear quote before any work starts. It takes into account:
- Any mould that needs treating
- Any working-time requirements on site
- The type of sealant required
- The number and length of the joints
What it costs depends on how much there is to do, how hard the old material is to remove and access to the work. You’ll have a clear quote before any work starts.
What to tell us for a quote
You don’t need to know the technical terms. Just tell us:
- Where the property is
- The rough size of the job
- The type of property
- How we’d reach the joints
To get a quote, call 0345 464 0079 or email us and tell us where the job is and what the problem looks like. We will give you a clear price before any work starts.
Why it’s worth doing now in Strettington
Not every filler suits an old window surround. Sand mastic matches what was there, which can matter on listed and conservation-area homes. Around Strettington, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.
Doing several joints on one visit normally makes better use of the time than several visits. You will get one clear quote for the whole job.
What you get with us
- ARBOMaster approved applicator
- We are fully insured
- Trusted Arbo and Everbuild sealants
- 180+ five-star Google reviews
Take a look at our cost guide and customer reviews.
Windows and doors in Strettington
With historic houses such as Goodwood House (about 0.9 miles north-west) nearby, there’s older building stock in the area around Strettington as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window. 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.
Letting a property close to Chichester station? Then older sash windows in a rental need their mastic kept sound to keep the weather out. If you look after a building such as Boxgrove CofE Primary School, the mastic around its windows and doors needs looking after like any other building’s.
Strettington is about 2 miles north-east of Chichester, in West Sussex. We carry out sand mastic for householders, landlords and businesses in Strettington, as part of our work across West Sussex. Strettington is one of 371 towns and villages in West Sussex where we work. Portsmouth is on our list too, around 15 miles away.
Postcode districts we cover here for sand mastic: PO18. We also cover the places around Strettington: Westerton (1 mile west), Waterbeach (1 mile north), Maudlin (1 mile south-west), Boxgrove (1 mile east) and Tangmere (1 mile south-east). We also work in nearby towns such as Worthing (15 miles east), Bognor Regis (5 miles south-east), Selsey (9 miles south), Littlehampton (9 miles east), Emsworth (9 miles west) and Rustington (10 miles east).
Local landmarks in Strettington
Typical jobs here are in homes near The Coach And Horses Public House and Westbourne House School. The closest station to Strettington is Chichester station, about 2.8 miles south-west of the centre. Other landmarks nearby include The Chichester City Museum (2.4 miles south-west) and Chichester Centre (1.9 miles south-west). Open spaces near Strettington include Levin Down and Kingley Vale National Nature Reserve.
Nearby places to Strettington
Also in Strettington
How the visit works
We bring everything the job needs with us, so you don’t need to buy or prepare anything. After a quick look at the joints together, the area is protected and the work begins. Most jobs take a few hours for a single window, longer for several. Somewhere like Strettington needs a little journey planning: let us know about lanes, gates and parking. Everything for the job comes with us, so a second trip is avoided where possible.
- We check each window surround and the condition of the joint.
- We rake out the old mastic and clean the joint.
- Large voids are packed out.
- New sand mastic is applied and shaped by hand.
- We finish the mastic to a tidy line.
Preparing for the visit
- Keep children and pets away from the work area
- Where the joints are inside, avoid wetting them before we arrive
- Clear items away from the joints we’re working on
How to get a quote
We don’t publish a price list, because every job is different. Instead, we give you a clear price for your job. To arrange one, ring 0345 464 0079 or send us an email.
Read more
Common problems we fix in Strettington
Timber swells and shrinks with the weather. The movement cracks the mastic little by little.
These are the problems we are asked about most:
- Mastic worn away on windows facing the weather
- Modern sealant on a period surround
- Gaps where the frame meets the masonry
- Mastic round period door frames that has failed
If you live in an older home near St Andrew's Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Comparing quotes
- Whether you can choose the colour
- What the quote includes, VAT included or not
- The length of the guarantee
- Are they insured?
Strettington questions
Do you cover smaller places like Strettington?
Yes. Strettington is within the area we cover, which takes in towns, villages and rural addresses. We work across London and the South East. Let us know about access, parking and anything unusual about getting there when you book.
Is Strettington in your area for sand mastic?
Yes. We work across London and the South East, and Strettington is part of that. You can call 0345 464 0079 or send us an email and tell us what needs doing, and we will send you a clear quote.
I’m a tenant. Can you help?
We are happy to deal with the tenant, landlord or agent. Get your landlord’s agreement first.
Do I have to be there?
For indoor joints, yes, someone needs to let us in. Once we’ve agreed the job, you don’t need to watch us work.
Can I do it myself?
Sometimes. Preparation is everything: all the old sealant out, and a clean, dry joint. We can always put it right if it fails.
Do you do commercial work?
Yes. Hotels, offices and other businesses use us, and we are fully insured.
Can you match the sealant colour?
Normally, yes. Sealants come in white, clear, grey and other colours for many products, and we agree the colour with you before we start.
Will you leave a mess?
No. The area is protected while we work and cleaned up afterwards.
Honest limits
To be straight with you, some problems need a different trade:
- Planning or listed building consent (your local planning authority decides)
- Damaged stone surrounds
- Broken panes
Not sure which it is? You can phone 0345 464 0079 or send us an email and we will tell you honestly.
Where we work in Strettington
- Timber door frames
- Tenement windows
- Period & listed homes
- Brick reveals
- Stone surrounds
- Sash and case windows
Work for landlords, hotels and businesses
For anyone letting property in or around Strettington, jobs at different addresses can go on one quote. Send us the addresses and the work at each, and pictures by email help.
Mouldy or split sealant often shows up at the end of a tenancy, and it’s easy to sort out between tenants. Several properties can go on one quote.