Mastic sealant contractors in Old Chiswick
Commercial sealant work in Old Chiswick for contractors, FMs and building owners: mastic sealing for building owners, managing agents and housing associations, with a fixed quote first.
- Occupiers reporting cold air round windows
- Brittle perimeter mastic across a building
- Estate-wide sealant that is simply worn out
Mastic sealing for Old Chiswick sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
Block-wide mastic in Old Chiswick
Blocks in London are normally run by managing agents, landlords or housing associations, with residents to notify and access to arrange. We work to your notice and access plan.
Older community buildings, St. Nicholas Church among them, often have frames of mixed ages whose mastic varies. Site managers at schools like The William Hogarth Primary School can fit frame mastic into the summer works.
Old Chiswick is about 2 miles south of Acton, in Greater London. Old Chiswick sits inside our coverage and the rest of Greater London, and jobs here get the same fixed quote and 12-month guarantee as anywhere else. We work across 764 places in Greater London, from busy centres to rural villages. Our London page has more on work in that area, about 7 miles away.
Business premises anywhere in W4, SW13 and W6 are within our area for mastic joints. Buildings on Short Road, Quick Road and Paxton Road are within our area for mastic joints. Nearby places we also cover include Turnham Green (1 mile west), Chiswick (1 mile north-west), Grove Park (1 mile west), Barnes (1 mile south) and Hammersmith (1 mile north-east) for mastic joints. A short drive away, we cover London (7 miles east), City of Westminster (5 miles north-east), Marylebone (5 miles north-east), St Pancras (6 miles north-east), Shoreditch (8 miles east) and Walthamstow (12 miles north-east).
What’s near Old Chiswick
Recent enquiries here include premises near George and Devonshire pub, The Swedish School and Polish Library POSK in London, among other places. Also close by are Turnham Green (0.8 miles north-west) and Chiswick School (0.5 miles south-west). The nearest railway station is Chiswick station, about 0.8 miles south-west of the centre. A little further out are Kurdish Museum Library and Archive (0.7 miles north-east) and West London Hospital (1.3 miles east). For a walk, there’s Campden Hill and Kew Gardens Lake.
How we handle mastic sealing in Old Chiswick
We diagnose before we prescribe: which joints have failed, why, and whether sealant is the right answer. Old mastic is removed entirely, the faces prepared, primer used where the maker specifies it and new sealant tooled in and backing rod used wherever a joint is deep. Most enquiries involve no planned programme for sealant and worn sealant at communal door frames, across communal kitchens and washrooms, shopfronts below residential blocks and communal entrances and stairwells. Searching for sealant specialists in Old Chiswick? Mastic Doctor has worked for contractors, FMs and building owners since 2005.
In a London area such as Old Chiswick, many buildings are blocks of flats or mixed-use buildings run by managing agents, landlords or housing associations. Mastic around windows, doors and balconies tends to fail across a whole block at a similar time, which is why block-wide programmes make sense.
The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. It doesn’t extend to damage, other trades’ later work or movement the joint was never designed to take.
- Location
- Old Chiswick (W4, SW13, W6)
- Wider area
- Greater London
- Guarantee
- 12 months on our workmanship
- Quotes
- Quoted before any work starts
- Telephone
- 01277 525 020
- Last updated
- 3 November 2026
Surface by surface
Communal areas
Communal areas stay in use while we work. Work is planned in sections.
Commercial and mixed-use buildings
Commercial buildings have mastic at shopfronts, entrances and external joints. A planned programme suits multi-building portfolios.
Why it’s worth doing now in Old Chiswick
Failed perimeter mastic lets cold air in around frames and the windows usually get the blame. In many cases, new perimeter sealant deals with it when the frames themselves are sound. Access in London is hard enough to arrange once, so while access is arranged it pays to renew all failing joints, not just the worst.
We don’t publish prices, because the scope varies so much from one building to the next. Call for a quote and we’ll price your job on its own details.
Why us?
- CHAS accredited contractor
- A fixed quote before work starts
- Public liability insurance in place
- One contact handling all your sites
Take a look at what affects the cost and our accreditations.
Owners, agents and contractors
Blocks and communal areas make up much of the work for housing associations and agents. Work can be phased so residents and staff keep access throughout, with each stage agreed with your site contact.
Whether you’re a managing agent, a property factor or an owner’s representative: send details, get a fixed quote, we seal, guaranteed. We can agree access arrangements and keyholder contacts beforehand.
When it isn’t the sealant
We seal joints; we don’t mend everything behind them. Sealant alone won’t deal with:
- Misted or failed double-glazed units
- Failed window or door frames, which need a window contractor
- Leaks from above rather than through a joint
Not sure which it is? You can speak to us on 01277 525 020 or email drawings and photos and we will tell you honestly before you book.
Joints and surfaces we work on
- Communal kitchens and washrooms
- External wall and movement joints
- Balcony and threshold joints
- Communal entrances and stairwells
- Window and door perimeters on blocks
- Shopfronts below residential blocks
When to call us in Old Chiswick
Occasionally the substrate fails, not the sealant, such as crumbling render, brick arrises or frame edges. We will tell you if the joint edges need repairing before resealing.
Site and facilities staff are often the first to spot these:
- The same joint failures repeated across a portfolio
- Communal area joints that look neglected
- Patchy repairs in mismatched sealant
- Draught complaints from residents or tenants
Landlords with units on estates such as Kew Retail Park, 1.4 miles south-west of Old Chiswick, can bring frame, door and external mastic across several units into one programme.
What your quote should include
- Whether old or failed sealant will be cut out, not overlaid
- Proof of insurance
- Will RAMS and insurance details be available?
- Do they follow the manufacturer’s priming guidance?
On site: what to expect
In a busy building, we agree a sequence with your contact so the disruption stays in one area at once. Each area is protected, prepared and sealed, then reopened once the sealant allows before the next one starts. In Old Chiswick, most buildings stay in use during the work, so we agree zones and timings with the building or facilities manager. Phased work keeps the rest of the building in use.
- We inspect each building and record the joints that have failed.
- The quote is fixed and split as suits you.
- We agree the programme and dates with you.
- Failed sealant is removed and the faces prepared.
- New sealant goes in with backing rod and primer where needed.
- We check the finished work and confirm the guarantee.
What we need from you
- Have the specification and drawings to hand
- Share the asbestos register for older buildings
- Flag any permit to work we’ll need
Getting a fixed quote
Need a figure for a tender or a budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. For a chat about it beforehand, call 01277 525 020 or send details through our quote form.
Read more
Towns and villages near Old Chiswick
Other services in Old Chiswick
Old Chiswick: questions and answers
Is Kew Retail Park, near Old Chiswick, within your area?
Yes, sites like Kew Retail Park are within our area, along with the rest of Old Chiswick. Photos and a short description are enough for a first look.
Can you quote for a block close to Chiswick station?
Yes. Blocks of any size are within what we do. We work to your notice and access arrangements.
How do you handle work on occupied blocks?
The work is planned around occupiers. We agree the programme so you can notify occupiers and communal access is kept open.
How long does a job like this take?
The duration is planned around your programme and the access we are given. We’ll give you an estimate of time on site when we quote.
Do you cover Old Chiswick?
Yes. We cover Old Chiswick. For a quote, phone 01277 525 020 or send photos by email.
Is asbestos a concern with old mastic?
Asbestos removal isn’t part of our work. If old sealant is suspected, work stops until it’s tested in line with the dutyholder’s asbestos management.
Can you work to our specification?
Yes. Send it with your enquiry, and the quote will be based on it.