Hampshire · England
Charter Alley Window Mastic
Mastic around window and door frames, sills and patio doors for Charter Alley, backed by a one-year guarantee. Ask us for a quote.
- Gaps left after new windows were fitted
- Water coming in at the bottom corners of a door
- Mastic that has split away from the wall
How the job changes by surface
Aluminium frames
Large aluminium doors have long joints down each side and across the head, and the threshold joint takes a lot of water. We prepare and reseal every joint, backing the deep ones.
Timber windows & doors
Where timber has rotted at the joint, it needs repairing first. We’ll point out any rot we find, as a joiner will need to deal with it.
Window mastic in Charter Alley
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. If the draught is through the window seals instead, we will tell you. Common call-outs are for rain getting in at the frame or under the sill and black, perished sealant on frames, on aluminium frames, patio & French doors and uPVC windows.
In a village or hamlet like Charter Alley, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these do not always suit modern silicone, and sometimes a traditional sand mastic is the better choice.
All of our work is guaranteed for twelve months, and the guarantee is the same wherever you are.
- Where
- Charter Alley (RG26)
- Wider area
- Hampshire
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Towns and villages near Charter Alley
More services for Charter Alley
How to look after the new joints
Looking after new joints is easy, and it makes a real difference:
- Keep paint off silicone joints
- Don’t aim a pressure washer at the joints
- Use gentle cleaners on frames and sealant
- Clear any debris from frame drain holes
Try not to touch the new joint while it cures, for as long as we advise. Keep jet washers away from the frames.
Leaks generally show up in wet, windy weather, but resealing works best in dry conditions. Sorting cracked mastic early means the joint is sound before the bad weather.
Should I try it myself first?
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it lifts and traps water and mould underneath. All the old material has to come out first.
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
For landlords and businesses
Landlords and agents in Charter Alley can book us as well as householders. Sealant work between tenants is a simple way to keep a property in good order.
Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.
What affects the quote in Charter Alley
You will get a clear quote before we start. It takes into account:
- When we can work, for business premises
- The number of rooms or windows
- The product the joint needs
- Any mould that needs treating
The cost reflects the work involved, not a rough estimate. That’s why we ask a few questions first and agree the price before starting.
What to tell us for a quote
When you call or email, it’s useful to know:
- Pictures of the joints, sent by email
- The rough size of the job
- What the problem is, such as mould, gaps, leaks or cracking
- Any access issues, like height or stairs
We quote each job on its own. Simply call 0345 464 0079 or send us an email and describe the job and send pictures if you have them.
Charter Alley: your questions answered
Is Charter Alley in your area for window mastic?
Yes, Charter Alley is within the area we cover. Our work covers London and the South East. You can call 0345 464 0079 or drop us an email and let us know what needs doing, and we’ll send you a clear quote.
Do you work for landlords with property near Bramley (Hants) station?
Yes, rental work is part of what we do. You can phone 0345 464 0079 or send us an email with the address and a few details, and we’ll give you a fixed price before work begins.
What does window mastic cost?
It depends on the job, so we quote each one individually. For a quick quote, call 0345 464 0079 or email us with a short description of the job.
Can I add another job to the visit?
Yes, and it often makes sense. Doing several areas at once is generally more efficient.
Can you work on commercial sites?
Yes. Commercial and hotel work is a large part of what we do. We can talk about working times when we quote.
Can you reach windows above the ground floor?
Yes, in most cases. We plan safe access before the job.
Do the sealants smell?
Some sealants have a smell while they cure. Ventilation helps.
Where is Mr Mastic based?
We are based in Crawley, West Sussex, and we cover South East England, London and all of Scotland.
What we do, step by step
We bring everything the job needs with us, so there’s nothing for you to buy. Once we have agreed what’s being done, we protect the area and start. Most jobs take anything from an hour or two to a full day, depending on how many frames there are. In a small place like Charter Alley, access is usually the main thing to plan. For outside work, also let us know about exposed walls and any outbuildings involved.
- First, we go round the frames with you and agree the list.
- The old mastic is cut out and scraped back to clean surfaces.
- Deep gaps get closed-cell backing rod to set the depth.
- A flexible exterior sealant is applied in a colour to suit the frame.
- Every joint is tooled smooth and checked before we leave.
Getting ready for the visit
- Where the joints are inside, avoid wetting them before we arrive
- Tell us if parking is tricky
- Mention any leaks or damp you’ve noticed
How to get a quote
Want a quote for window mastic? Please phone 0345 464 0079 or send us an email with a few details. We’ll explain what we’d do and give you a clear price before we start.
Advice
Leave it or put it right?
Draughts and leaks don’t always mean new windows. Where the frames are sound, new mastic generally deals with draughts and leaks at the edges. If we find failed glass units or worn seals, we’ll tell you. In a small place like Charter Alley, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.
Every job is a little different, so we quote each one individually. The number of joints, how easy they are to reach and the sealant needed all play a part.
Why choose Mr Mastic in Charter Alley
- Every job guaranteed for a year
- Sealant colour chosen to suit
- Over 20 years’ experience
- Any old sealant cut out fully, not covered over
Read our cost guide and customer reviews.
Window mastic in Charter Alley: local notes
London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind. Historic houses like The Vyne (about 2.6 miles east) are a reminder that the area around Charter Alley has older buildings as well as new. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that is traditional sand mastic.
In the older streets around Christ Church, the joint between an old wall and a newer frame is generally the first place rain gets in. For site and facilities teams at buildings such as The Priory Primary School, its window and door frames need their mastic kept sound, just like a home’s. If you let a flat or house near Bramley (Hants) station, renewing tired window mastic between tenants heads off draught and damp complaints.
Charter Alley is about 3 miles south of Tadley, in Hampshire. Every kind of property in Charter Alley is covered for window mastic. Every job comes with our one-year guarantee. Our area takes in 683 places across Hampshire, from the larger towns to small villages. Reading is on our list too, about 12 miles from Charter Alley.
Here we cover the RG26 postcode area for window mastic. If you need window mastic at a property on Old Chapel Lane, Sand Martin Close and White Hart Lane or anywhere close by, our applicators can take on the job. If you are just outside Charter Alley, we cover Ramsdell (1 mile west), West Heath (1 mile north-west), Pamber End (1 mile north-east), Monk Sherborne (1 mile south-east) and Salters Heath (1 mile east). We also work in nearby towns such as Basingstoke (4 miles south-east), Fleet (14 miles east), Alton (14 miles south-east), Yateley (14 miles east), Tadley (3 miles north) and Hook (8 miles east).
Landmarks near Charter Alley
Charter Alley’s nearest station is Bramley (Hants) station, roughly 3.8 miles east. Other landmarks nearby include Park Prewett Hospital (2.7 miles south-east) and Calleva Museum (3.4 miles north-east). For a walk, there’s Daneshill Park Woods.