Greater London · England
Window Mastic in Little Woodcote
Window mastic for Little Woodcote and the surrounding area: the right sealant, proper preparation and a neat finish. Ask us for a quick quote.
- Damp patches on the reveal after heavy rain
- Cracked internal joints between frame and plaster
- Cracked sealant at the sill ends
Landlord and commercial work in Little Woodcote
Landlords and agents in Little Woodcote can book us as well as householders. Resealing between tenancies is a simple way to keep a property in good order.
Letting agents often deal with us directly. Tell us the address, the job and how access works and we will give you a quote.
Window mastic in Little Woodcote, done properly
A cold draught around a closed window often comes from the frame edge. Resealing that joint can make a room feel noticeably less draughty and quietens the whistle on windy days. Where the air is getting in through the window itself, we’ll say so. We work on timber windows & doors, composite doors and aluminium frames, and the jobs we see most are leaking joints at the ends of sills and black, perished sealant on frames.
Many London homes are flats, with windows high above the street. In a converted house or block, the lease usually says who is responsible for the windows, so it’s worth checking before booking.
All our work comes with a 12-month guarantee.

- Location
- Little Woodcote (SM5, CR8, SM6)
- Wider area
- Greater London
- Guarantee
- 12 months on all our work
- Quotes
- A clear price before we start
- Phone
- 0345 464 0079
- Updated
- 26 October 2026
Towns and villages near Little Woodcote
Also in Little Woodcote
How it works
Every visit runs the same way: we check the joints, protect the area around them, do the work and clear up. It generally takes a few hours for a handful of frames, longer for a whole house. In a London area like Little Woodcote, the main things to plan are parking and access: let us know about parking, the floor we’ll be working on and any lift or shared entrance.
- Each frame is looked over and we agree which ones need resealing.
- We remove the old mastic and clean the frame edge and wall.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- We tool each bead neatly and check every joint is closed.
How to prepare
- On commercial sites, let us know about site rules
- Tell us about any previous sealing or DIY attempts
- Clear the area around the work
Get a quote
Getting a quote is simple: let us know the job and the location and its rough size. Photos by email help us understand the job.
Advice
Common questions in Little Woodcote
Is Little Woodcote in your area for window mastic?
Yes, Little Woodcote is within the area we cover. We work across London and the South East. You can phone 0345 464 0079 or email us and let us know what needs doing, and we will send you a clear quote.
Can you help a landlord with a rental near Woodmansterne station?
Yes. We work for landlords and letting agents as well as homeowners. You can call 0345 464 0079 or drop us an email with the details for a clear quote.
Do you work on first-floor windows?
Yes, if safe access is possible. For high or awkward windows, we’ll tell you what access is needed.
Is it messy?
Tidy work is part of the job. We protect what’s around the joints, and we clear up when we’re done.
Can resealing stop a draught around my window?
It will if the frame joint is the problem. We check where the draught is before work begins.
Can you match the sealant to my frames?
Usually, yes. Tell us the frame colour when you get in touch and we’ll match it as closely as we can.
How long does it take to reseal the windows on a house?
That depends on the number of frames, how they’re reached and the state of the old mastic. You’ll know the timing when we quote.
Are you an approved applicator?
Yes. We are approved under the ARBOMaster scheme, which is run for the Arbo sealant brand.
Why act early in Little Woodcote
Once mastic fails, rain can get between the frame and the wall. Left long enough, it can stain inside walls, spoil plaster and rot wooden frames. Resealing now is a small job by comparison. Damp from a failed joint spreads quietly in older London brickwork and timber, and by the time it shows on a wall or ceiling in Little Woodcote, the repair is bigger than the sealant job would have been.
Leaving a failed joint generally makes the job bigger, not smaller. If you’re unsure, phone 0345 464 0079 or send us an email for an honest opinion and a quote.
Why choose Mr Mastic in Little Woodcote
- Tidy, careful work
- Fully insured
- Anti-fungal sanitary silicone in wet areas
- ARBOMaster approved applicator
What the job involves on each surface
uPVC windows
The frame is cleaned with a product that will not harm the plastic, then the new bead is laid against the frame and the wall.
Composite doors
Composite doors are normally hung in an uPVC-type frame, so its perimeter joint is sealed much like a window. The bead is colour-matched to the frame.
What window mastic looks like in Little Woodcote
Historic houses like Nonsuch Mansion (about 3.3 miles north-west) are a reminder that the area around Little Woodcote has older buildings as well as new. Where a home is older, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast.
For landlords with property near Woodmansterne station, sound mastic around windows and doors keeps out the draughts and damp that tenants notice first. If you live in an older home near St. Patrick's Church, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall.
Little Woodcote is about 2 miles west of Purley, in Greater London. If you need window mastic in Little Woodcote, please phone 0345 464 0079 or email us for a quick quote. We are based in Crawley and cover Greater London, Little Woodcote included. Our area takes in 764 places across Greater London. For nearby work, see our London page.
Every address in SM5, CR8 and SM6 is covered for window mastic. Window mastic is available to properties on Woodmansterne Lane, Little Woodcote Lane and Oaks Track and the roads around them. If you’re just outside Little Woodcote, we cover Woodcote Green (1 mile east), Woodcote (1 mile east), Peaks Hill (1 mile east), Roundshaw (2 miles north-east) and Woodmansterne (2 miles south). We also work in nearby towns such as London (11 miles north), City of Westminster (12 miles north), Marylebone (12 miles north), Kensington (11 miles north), St Pancras (13 miles north) and Shoreditch (13 miles north).
Around Little Woodcote
Around Little Woodcote, our work takes us to homes and buildings near Wallington High School for Girls, Laleham Lea School and Carshalton Park, among other places. Little Woodcote’s nearest station is Woodmansterne station, roughly 1.3 miles south of the centre. Well-known places in the area include Centrale Croydon (3.6 miles north-east) and Queen Mary's Hospital For Children (0.9 miles north-west). The countryside around Little Woodcote includes Roundshaw Downs and Duppas Hill.
When it is not the sealant
Honest advice matters more to us than a booking, so here’s what new sealant won’t do:
- Damp coming through the wall itself rather than the frame joint
- A frame that has rotted at the joint
- Faulty window hardware
If you are not sure, just phone 0345 464 0079 or email us and we will give you a straight answer.
Where we work in Little Woodcote
- uPVC windows
- Patio & French doors
- Aluminium frames
- Timber windows & doors
- Composite doors
- Window sills
What we are called out for in Little Woodcote
Timber windows bring their own problems. Old mastic gets painted over and cracks under the paint, and timber moves with moisture as well as temperature.
If you can see any of these, it’s time to have the joints looked at:
- Leaking joints at the ends of sills
- Water coming in at the bottom corners of a door
- Mastic that is falling out in pieces
- Draughty joints inside around the window
If you look after a building such as Woodmansterne Primary School, its window and door frames need their mastic kept sound, just like a home’s.
What your quote should include
- How the joint is cleaned and prepared
- Whether they seal over old material or remove it
- Whether VAT is included
- The length of the guarantee
Keeping the joints in good condition
Once the sealant has cured, a few habits help it last:
- Look round the frames every year or so
- Wipe condensation off the frames
- Keep paint and stain on wooden frames in good order
- Keep jet washers away from the mastic
Keep the new mastic undisturbed while it cures, for as long as we advise. Keep jet washers away from the frames.
Wet, windy weather is when failed mastic shows itself, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.
