Surrey · England
St George's Hill Window Mastic
Our applicators work in St George's Hill on mastic around window and door frames, sills and patio doors. Old sealant removed completely, joints prepared properly.
- Gaps left after new windows were fitted
- Gaps between the frame and the inside reveal
- Sealant in the wrong colour for the frame
How the job changes by surface
Window sills
Every drop off the glass ends up on the sill, so the sill ends and the joint under the frame are vital. They’re cut out and resealed with exterior sealant.
Patio & French doors
Patio and French doors have the longest joints on most houses. The threshold and the bottom corners take the most water, so we pay close attention there.
About our window mastic in St George's Hill
Colour matters on a frame. White, brown, anthracite grey, black and clear sealants are all available, so the line suits the frame instead of standing out. We work on uPVC windows, patio & French doors and aluminium frames, and the jobs we see most are sealant in the wrong colour for the frame and cold air getting in at the frame edge.
In a smaller place like St George's Hill, some walls face open ground and catch the full force of the weather, so exposed windows and doors face the weather head on. The mastic around frames on those walls tends to age faster.
All our work is covered by a one-year guarantee.
- Where
- St George's Hill (KT13, KT11, KT12)
- Wider area
- Surrey
- Guarantee
- 12 months on all our work
- Price
- A clear price before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
How to look after the new joints
To keep the joints looking good and working properly:
- Clear any debris from frame drain holes
- Air rooms to keep condensation down around windows
- Avoid blasting the frames with a pressure washer
- Repaint timber before it’s bare
Try not to touch the new joint while it cures, following the cure time we give you. Don’t point a pressure washer at the joints.
Water gets in quietly when mastic fails. Often the first sign is a damp patch inside or flaking paint on the reveal. Early resealing stops it reaching that point.
When it isn’t the sealant
Some problems need a builder, plumber or other trade rather than us:
- A sash or casement that will not close properly
- Worn gaskets, brush seals or a door that has dropped
- Damp problems in the wall away from the window
If you’re not sure, just call 0345 464 0079 or email us and we’ll give you a straight answer.
What we seal
- Timber windows & doors
- Aluminium frames
- Patio & French doors
- Composite doors
- Window sills
- uPVC windows
St George's Hill: your questions answered
Can you help a landlord with a rental near Weybridge station?
Yes. We work for landlords and letting agents as well as householders, and several properties can be quoted together. Just phone 0345 464 0079 or drop us an email with the address and what needs doing, and we will give you a clear quote.
Will you come out to St George's Hill?
Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
Will there be a smell?
It depends on the product. Some products have a noticeable smell, others very little.
What does window mastic cost?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or drop us an email and tell us what needs doing and where.
Will resealing my frames help with draughts?
If the draught is coming in around the frame, yes. If it’s through the window’s own seals or a hinge, that’s a different fix, and we’ll say so.
What do you need from me for a quote?
Only a few details: the address or postcode, what’s wrong and any access issues. After that, simply call 0345 464 0079 or send us an email.
How long before the joint can be used?
It depends on the product and the temperature. We tell you how long to leave it before we go.
Can you work on commercial sites?
Yes, regularly. Larger jobs can be planned room by room or area by area to suit the site.
Should I try it myself first?
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions, and the work is guaranteed for a year.
Quotes for window mastic in St George's Hill
The quote reflects the job in front of us. We take into account:
- The number and length of the joints
- How many rooms, windows or areas are involved
- The product the joint needs
- Any mould that needs treating
Every job is a little different, so each one gets its own quote. The number of joints, how easy they are to reach and the sealant needed all play a part, and we will explain the quote if you ask.
What we need to know
You do not need to know the technical terms. It helps if you can tell us:
- Any access issues, like height or stairs
- The type of property
- Roughly how big the job is
- Where the property is
To get a quote, call 0345 464 0079 or drop us an email and tell us where the job is and what the problem looks like. You will have a clear quote before any work starts.
Also near St George's Hill
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How it works
Once we are on site, we check the joints match what you told us. If we find something unexpected, we talk it through with you first. Most jobs then take a few hours for a handful of frames, longer for a whole house. In a smaller place like St George's Hill, parking is seldom the issue; lanes, gates and long drives are worth mentioning. For outside work, side access and the height of the joints help us plan.
- First we look at every frame and agree the list.
- Next the failed sealant is cut away and the joint cleaned.
- We fit backing rod in deep gaps so the sealant is the right depth.
- A flexible, weatherproof sealant is applied in a colour to suit the frame.
- Every joint is checked before we leave.
How to prepare
- Move anything stored near the joints
- On commercial sites, let us know about site rules
- Keep pets and children clear of the area while we work
Get a quote
Every job is quoted individually. Just call 0345 464 0079 or email us with the details and send pictures if you have them.
Related advice
Why it’s worth doing now in St George's Hill
A cracked joint around a frame lets rain into the wall. Over time that can mean damp patches, damaged plaster and rotting timber. A reseal is a much smaller job. In an older home around St George's Hill, damp from a failed joint can get into timber and plaster, and that’s a much bigger job than renewing the sealant.
Doing several joints on one visit generally makes better use of the time than several visits, so tell us about everything that needs sealing. You will get one clear quote for the whole job.
What you get with us
- Full insurance on every job
- Every job guaranteed for a year
- Anti-fungal silicone where joints get wet
- Quality sealants from Arbo and Everbuild
Take a look at how sealant jobs are priced or our reviews.
Windows and doors in St George's Hill
London and the South East are among the drier parts of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Byfleet Manor (about 2.2 miles south) nearby, there’s older building stock in the area around St George's Hill as well as newer homes. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
Rented homes near Weybridge station change hands often, and renewing tired window mastic between tenants heads off draught and damp complaints. In the older streets around United Reform Church, the joint between an old wall and a newer frame is normally the first place rain gets in. Managing a site like Manby Lodge Infant School? Then larger buildings have plenty of frames, and the mastic around each one ages.
St George's Hill is about 1 mile south of Weybridge, in Surrey. Across the KT13 area, we can carry out window mastic at your property. We cover 395 towns and villages across Surrey, from the larger towns to small villages. We also work in London, about 18 miles from St George's Hill.
Here we cover the KT13, KT11 and KT12 postcode area for window mastic. Window mastic is available to properties on Cavendish Road, Holme Chase and Winterbourne Grove. St George's Hill sits on or near the B372, so getting to you is simple. Neighbouring places we cover for window mastic include Weybridge (1 mile north), Brooklands (1 mile south-west), Whiteley Village (1 mile south-east), Burwood Park (1 mile east) and Byfleet (2 miles south-west). Further out, we also cover Guildford (10 miles south-west), Woking (6 miles south-west), Camberley (12 miles west), Epsom (8 miles east), Redhill (15 miles south-east) and Ewell (8 miles east).
Local landmarks in St George's Hill
We work in homes and buildings around St George's College Weybridge, The Grotto pub and Heathside School and the streets around them. St George's Hill’s nearest station is Weybridge station, about 0.5 miles west of the centre. Nearby you will also find Elmbridge Museum (3.7 miles east) and No. 2 New Zealand General Hospital (2 miles north-east). Not far away are St Ann's Hill and Ferris Meadow Lake.