Brighton and Hove · England
Sand mastic for sash & case windows in Carlton Hill, Brighton and Hove
Window and door surrounds in Carlton Hill need attention? We cut out the old, prepare the joints and apply the right sealant, with a 12-month guarantee.
- Cement or filler used on old window joints that has cracked
- Draughts and rain around sash boxes
- Silicone on a period window that looks wrong
Sand mastic in Carlton Hill
Sand mastic suits most period window surrounds. On modern frames we’d normally use a flexible sealant and we will explain which is best for yours. If you are dealing with silicone on a period window that looks wrong and cement or filler used on old window joints that has cracked, we can put it right.
In smaller places like Carlton Hill, homes range from older cottages to newer houses, with windows to match: timber, uPVC and aluminium. Each frame material needs the right sealant against the right wall.
We stand behind the work with a 12-month guarantee, so you’re covered after we’ve gone.
- Place
- Carlton Hill (BN2, BN1, BN50)
- Region
- Brighton and Hove
- Guarantee
- One year on every job
- Price
- A clear quote up front
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
Why it’s worth doing now in Carlton Hill
A silicone bead can be quicker, but it can look wrong on a period surround. Sand mastic is the traditional material and blends with the stone or brick. In a smaller place like Carlton Hill, wherever a wall is exposed, a failed outside joint is a real source of damp. Inside, a split seal lets water into floors and panels just as it would anywhere.
What it costs depends on the size of the job, how hard the old material is to remove and access to the work. We give a clear quote before work begins.
Why Carlton Hill customers choose us
- Quality sealants from Arbo and Everbuild
- Fully insured
- Old sealant always removed completely
- Anti-fungal sanitary silicone in wet areas
Also in Carlton Hill
What we can’t put right
We’d rather tell you now than do work that won’t last, so these are the limits:
- Planning or listed building consent (your local planning authority decides)
- Sashes that rattle, stick or won’t open
- Decayed frames that need repair
If in doubt, call 0345 464 0079 or email us and we’ll say what we think before booking.
Surfaces we seal
- Brick reveals
- Timber door frames
- Period & listed homes
- Tenement windows
- Sash and case windows
- Stone surrounds
Common questions in Carlton Hill
Is sand mastic in a coastal place like Carlton Hill any different?
Coastal weather is harder on outside sealant: there’s more wind-driven rain and, closer to the shore, salt in the air. Choosing the right sealant for the frame and wall, laid at the right depth, helps it last.
Do you work for landlords with property near Brighton station?
Yes, rental work is part of what we do. You can ring 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
What information do you need?
A short description and the location. We’ll ask anything else we need to know.
Are you insured?
Yes. We are fully insured, and we can confirm the details when we quote.
Will you leave a mess?
No. We protect the surfaces around the joints, and we tidy up before we go.
Should I try DIY first?
Some simple jobs can be done by a careful DIYer. Most DIY failures come from sealing over old material, wet joints or too much sealant.
Do you do commercial work?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Where do you work from?
We work from Crawley. We cover Carlton Hill and the rest of Brighton and Hove.
Different surfaces, different methods
Period and listed homes
Many older homes were built with sand mastic round the windows. On listed buildings, check with your planning authority first.
Brick reveals
Gaps between frame and brick let in rain and draughts. New mastic seals the gap.
Landlord and commercial work in Carlton Hill
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
A neglected joint can let water reach the structure, which matters even more when someone else lives there. Keeping joints in good order is simple maintenance.
Windows and doors in Carlton Hill
Carlton Hill is within about 1 mile of the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That’s hard on the mastic around older windows and doors, especially on the side facing the sea. 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.
Homes close to Greek Orthodox Church of the Holy Trinity include some older properties, and the joint between an old wall and a newer frame is usually the first place rain gets in. Letting a property close to Brighton station? Then any sash windows need sound mastic to keep draughts and rain out.
Carlton Hill is about 1 mile south of Brighton, in Brighton and Hove. Homes, rented property, offices and hotels in Carlton Hill is covered for sand mastic, old or new, large or small. Every job comes with our 12-month guarantee. Carlton Hill is one of 30 places in Brighton and Hove where we work for sand mastic.
Here we cover the BN2, BN1 and BN50 postcode area for sand mastic. You will find streets such as New Road, North Road and Brills Lane. You’ll find Carlton Hill on the A259, which makes it straightforward to reach. Nearby, we also carry out sand mastic in Hanover (1 mile north), Brighton (1 mile north), West Hill (1 mile north-west), Kemptown (1 mile south-east) and Seven Dials (1 mile north-west). Larger places within reach include Brighton and Hove (3 miles west), Aldrington (3 miles west), Hangleton (3 miles north-west), Patcham (3 miles north), Westdene (3 miles north-west) and Saltdean (4 miles east). Carlton Hill is among the bigger towns we cover in Brighton and Hove.
Local landmarks in Carlton Hill
Locally, jobs take us to homes and businesses close to Devonshire Arms, Queen's Park and Academy of Creative Training and the streets around them. The nearest railway station is Brighton station, roughly 0.5 miles north-west of the centre. A little further out are Sussex Eye Hospital (0.7 miles south-east) and Churchill Square (0.6 miles west). Open spaces near Carlton Hill include Whitehawk Hill and Newmarket Hill.
DIY sealant or a professional job?
If you’ve already had a go yourself, that’s fine. We cut it out and start again.
What a professional job adds is preparation and the right product. Joints are cleaned back to sound surfaces and dried, and the sealant is matched to the joint and its conditions, then guaranteed for a year.
Do you need sand mastic in Carlton Hill?
Decorating can disturb tired mastic. It’s often found when windows are being prepared for paint.
Most people get in touch when they notice one of these:
- Gaps between timber frames and stone or brick
- A silicone bead on a sash window that spoils the look
- Failed mastic on an exposed elevation
- Draughty sash windows at the surround
If you look after a building such as Carlton Hill Primary School, its window and door frames need their mastic kept sound, just like a home’s.
What your quote should include
- Whether the sealant suits the joint
- How the joint is cleaned and prepared
- How long the guarantee is
- What the cure time is
How it works
A visit follows a simple pattern: we check the joints, protect the area around them, do the work and clear up. It usually takes anything from a few hours to a full day, depending on how many windows. A visit to Carlton Hill is planned like any other: the time, the access and where to park are agreed in advance. Outdoor jobs depend on a dry day, since sealant needs a dry surface.
- We start by checking each surround and agreeing the joints to renew.
- We rake out the old mastic and clean the joint.
- Large voids are packed out first, so the mastic isn’t too thick.
- Sand mastic is mixed and applied by hand, then shaped to the joint.
- The mastic is finished to sit tidily against the stone or brick.
Getting ready for the visit
- Tell us about access, such as stairs, a lift or high-level joints
- Clear items away from the joints we’re working on
- Mention any leaks or damp you’ve noticed
Ask for a quote
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.