Greater London · England

Window & door mastic in East Sheen, Greater London

Window and door frames in East Sheen need attention? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.

  • Untidy mastic left by window fitters
  • Water coming in at the bottom corners of a door
  • Whistling draughts around closed windows

Window mastic near East Sheen

What affects the quote in East Sheen

We quote each job individually. This is what makes a difference:

  • The amount of work
  • The type of sealant required
  • How much old sealant there is and how hard it is to remove
  • How many rooms, windows or areas are involved

The cost depends on the size of the job, how much old material has to come out and how easy the joints are to reach. You will have a clear quote before any work starts, so you know where you stand.

Helping us quote

What to tell us when you ask for a quote:

  • Access, such as stairs, a lift or height
  • The address or postcode of the job
  • The type of property
  • A few pictures by email, if you can

If you’re in East Sheen and need window mastic, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and you’ll get a clear quote before work begins.

How we handle window mastic in East Sheen

Over two decades of sealing frames has taught us which products suit which walls. We are ARBOMaster approved and fully insured, and we give a 12-month guarantee on the work. Common call-outs are for old mastic that has gone black or come away and draughts coming in around windows and doors, across composite doors, aluminium frames and timber windows & doors.

London’s Victorian and Edwardian terraces were built with timber sash windows, and many still have them or their replacements. Whatever is in the opening now, the joint between frame and wall is what keeps the weather out.

You are covered for a year from the day we finish. If anything is not right with it, call 0345 464 0079 or send us an email.

Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter
Location
East Sheen (SW14, SW13, SW15)
Region
Greater London
Guarantee
A year, on every job
Price
A clear quote up front
Call
0345 464 0079
Page updated
26 October 2026

How to look after the new joints

Aftercare is simple:

  • Air rooms to keep condensation down around windows
  • Wash the frames with mild soapy water
  • Keep drainage slots and sill grooves clear
  • Avoid blasting the frames with a pressure washer

Have a look at the joints once a year, ideally after winter. Small splits are simple to catch before they leak.

A failed joint lets water into the wall a little at a time. You might not see it until plaster blows or a damp patch appears inside. Early resealing stops it reaching that point.

Why it’s worth doing now in East Sheen

Redecorating is a good moment to renew the mastic. A clean new bead makes new paint or render look finished, and it’s easier while the walls are being worked on anyway. In a flat in East Sheen, failed sealant seldom stays inside your own four walls: water can reach the neighbours below, and gaps in fire-rated joints affect the whole building.

Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, along with when we can work on site. Ask us for a quote and we will explain what it covers.

What you get with us

  • Tidy, careful work
  • A sealant colour to suit the surroundings
  • Over 20 years’ experience
  • We agree the colour with you first

See our cost guide and customer reviews.

What we are called out for in East Sheen

Older frames were often sealed with products that set hard. Once it’s rigid, every bit of frame movement pulls at it, leaving a hairline gap down one side.

People usually contact us after spotting something like this:

  • Black, perished sealant on frames
  • Sealant in the wrong colour for the frame
  • Cracked or shrunken mastic around the frame
  • Leaking joints at the ends of sills

If you live in an older home near All Saints' Church, the joint between an old wall and a newer frame is usually the first place rain gets in.

What to look for in a quote

  • What the quote includes, VAT included or not
  • Who turns up on the day
  • Whether you can choose the colour
  • How hidden problems are handled

Our hiring checklist

Landlords, agents and businesses in East Sheen

Landlords and agents in East Sheen can book us as well as householders. Sealant work between tenants keeps a property looking cared for.

From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a 12-month guarantee.

Window mastic in East Sheen: local notes

In a converted house or block, who looks after the windows depends on the lease, so it’s worth checking before booking. With historic houses such as Chiswick House (about 1.3 miles north) nearby, there’s older building stock in the area around East Sheen 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’s traditional sand mastic.

Rented homes near Mortlake station change hands often, and cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets. East Sheen is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.

East Sheen is about 3 miles west of Fulham, in Greater London. For window mastic in and around East Sheen, please phone 0345 464 0079 or email us for a quick quote. We cover Greater London from our Crawley base, East Sheen included. Our area takes in 764 places across Greater London, large and small. For nearby work, see our London page, about 8 miles away.

Every address in SW14, SW13 and SW15 is within our area for window mastic. We cover properties on Elm Road, Well Lane and Fife Road and the roads around them. We also cover Mortlake (1 mile north-east), North Sheen (1 mile north-west), Barnes (1 mile north-east), Grove Park (1 mile north) and Richmond upon Thames (1 mile west). Further out, we also cover London (8 miles east), City of Westminster (6 miles north-east), Marylebone (6 miles north-east), Kensington (4 miles north-east), St Pancras (8 miles north-east) and Shoreditch (9 miles north-east).

What’s near East Sheen

Locally, jobs take us to homes and businesses close to Hare and Hounds pub, Palewell Park and Ibstock Place School and the streets around them. East Sheen has its own railway station: Mortlake station. A little further out are Ubuntu Museum: African Museum of Humanity (1.1 miles south-east) and Barnes Hospital (0.5 miles east). Open spaces near East Sheen include Duke's Hollow and Kew Gardens Lake.

Map of East Sheen © OpenStreetMap contributors

Your questions about window mastic in East Sheen

I let a flat near Mortlake station. Can you help?

Yes. We work for letting agents and landlords as well as homeowners. You can ring 0345 464 0079 or send us an email with the details for a clear quote.

Can parking be tricky for a visit in East Sheen?

In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly, so mention what’s available when you book.

Do you work in East Sheen?

Yes. We work in East Sheen. To book, phone 0345 464 0079 or send us an email.

Do you remove the old sealant?

Yes. We cut out all the old sealant and clean the joint before resealing.

Do you do commercial work?

Yes. Commercial and hotel work is a large part of what we do, as well as homes. We can talk about working times when we quote.

Can you do the inside joint as well?

Yes. Plenty of draughts come through the inside joint as well as the outside, so sealing both is often worthwhile.

Where are you based?

We’re a Crawley-based firm, with over 20 years’ experience. We work across South East England, London and Scotland.

Can you match the sealant to my frames?

Yes. Grey and black frames get grey or black sealant, and wood-effect frames normally suit brown.

The process

Every visit runs the same way: we check the joints, protect the area around them, do the work and tidy away. Most jobs take a few hours for a handful of frames, longer for a whole house. Parking in much of London is by permit or pay-and-display, so it helps to know what’s near you in East Sheen. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. We check how each frame can be reached safely.
  2. All the failed sealant is cut away, along with any loose debris.
  3. The surfaces are cleaned and left dry.
  4. Deep voids are backed, then the sealant is gunned in.
  5. The joint is shaped to shed water and the area tidied.

Preparing for the visit

  • Mention any tricky access
  • Plan for the work area to be out of bounds to pets and children
  • For business premises, tell us about site rules or sign-in

Getting a quote

Getting a quote is simple: tell us what needs doing and where and its rough size. Photos by email help us understand the job, and we’ll come back to you with a quote.

Ask for a quote

Related advice

Can I do it myself?

Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas need the right product, the right access and the right method.

If you do try it yourself, take your time over the preparation: remove every trace of old sealant, clean and dry the joint, and follow the product’s cure time. If it does not work out, we can still put it right.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job