The Mastic Doctor team standing beside their branded vans outside an office building
Greater London · England

Facade Sealing in Bromley Common

Sealant work in Bromley Common for main contractors, managing agents and facilities managers: facade joint and window perimeter sealing on commercial buildings, with a fixed quote first.

  • Perimeter sealant that has split or peeled away
  • Discoloured or dirty facade joints
  • Water coming in around window frames
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
Covering the South East & Scotland
CHAS accredited
£5m public liability

Facade sealing near Bromley Common

Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.

Facade sealing in Bromley Common, done properly

A good facade joint depends on design as much as product. Joint width needs to match how far the joint moves and how far the sealant can stretch, while rod fixes the depth and stops the bead sticking to the rear with the ratio the sealant maker recommends, often around 2:1. Most enquiries involve unsightly perimeter sealant on a visible elevation and perimeter sealant that has split or peeled away, on perimeter joints where frames meet the structure, coping and flashing joints and cladding panel joints. Sealant contractors, mastic applicators, sealant specialists: whatever the job title on the order, in Bromley Common it comes down to the same thing: failed joints cut out, faces prepared and the right sealant laid to the right depth.

A great deal of London construction is refurbishment of occupied or part-occupied buildings, alongside new blocks. Replacement windows, recladding and fit-outs leave perimeter and facade joints to seal, often next to people still using the building.

Every job ends the same way: guaranteed. You get a 12-month guarantee on our workmanship, and we explain exactly what that covers when we quote.

Where
Bromley Common (BR2, BR1)
Wider area
Greater London
Guarantee
A 12-month guarantee
Quote
A fixed quote before we start
Call
01277 525 020
Last updated
3 November 2026
The Mastic Doctor team beside their liveried vans in front of an office building

What sealant work can’t fix

Some faults sit outside our scope, and we say so rather than covering them up:

  • Cracked or spalling substrates that need repair before sealing
  • Joints too narrow for the movement they take, which need redesign
  • Leaks from roofs, gutters or failed flashings rather than sealant joints

If you’re not sure, just call the office on 01277 525 020 or email drawings and photos and we will give you a straight answer before you book.

Where we work in Bromley Common

  • Shopfront frames
  • Perimeter joints where frames meet the structure
  • Window and door perimeters
  • Cladding panel joints
  • Coping and flashing joints
  • Stone and brick facade joints

How the job changes by surface

Coping and flashing joints

Not every coping or flashing leak is a sealant problem. We tell you if the fix is a roofing or metalwork job rather than a reseal.

Window and door perimeters

Window and door perimeters make up most facade sealing work. A low-modulus neutral-cure product, chosen for the frame and wall, goes in.

Work for main contractors and building owners

FMs need a contractor who is easy to get on site. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.

We take on planned maintenance as well as one-off repairs: working through a building or an estate in stages that fit your budget. Bromley Common can form part of a wider programme.

From enquiry to sign-off

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. On site, the work usually takes anything from a single day to several weeks, depending on joint lengths, access and the weather, and we clear our waste as we work. All of Greater London is in the ULEZ, and kerbside space in Bromley Common can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.

  1. We look at the joints, the drawings and the access before pricing.
  2. Failed sealant is cut out along its full length.
  3. Joint faces are cleaned to firm, sound material, with primer where the sealant maker specifies it.
  4. Closed-cell rod fixes the depth, and the sealant grips two sides only.
  5. A facade-grade sealant rated for the movement goes in, tooled to a concave profile.
  6. We walk the finished joints with you before handing over.

What we need from you

  • Have the specification and drawings to hand
  • For older buildings, check the asbestos register before work
  • Tell us which areas need to stay in use

Quotes

A handful of photographs and a postcode is the fastest way to a quote. Upload them with the quote form, or speak to us on 01277 525 020 or email us to discuss it first.

Ask for a quote

Read more

Cost factors for facade joints

We price every job individually. The main factors are:

  • Which sealant the job calls for
  • Removal of failed or old sealant
  • Access and working height
  • Distance, for remote addresses

Pricing facade joints depends on quantities, condition and access, plus any specification you are working to. Ask us for a fixed quote.

Details that help us quote

A good diagnosis starts with the right details. Let us know:

  • Any specification or named product
  • Approximate linear metres or a joint schedule
  • How the joints are reached, and at what height
  • Whether the building will be occupied during the work

Need a figure for a tender or a budget? We will quote against your scope and drawings you can plan around. For a chat about it beforehand, ring 01277 525 020 or email drawings and photos.

When to bring in a specialist

What you see is the finished bead, but most of the work is hidden. Correct depth, the right primer and a sealant matched to the movement are where general trades tend to cut corners.

Site maintenance staff can often handle a short internal joint. The usual problems come from preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.

Questions we are asked in Bromley Common

Will you take on work at estates like Chartwell Business Centre, close to Bromley Common?

Yes. Estates, retail parks and business parks around Bromley Common, Chartwell Business Centre among them, are all within reach. A few photographs and the unit address let us price the work.

Can work at a site such as University of Greenwich - Avery Hill fit around teaching?

Yes. We plan campus work around teaching, exams and residence turnarounds. Let us know which documents your site asks for, and we’ll confirm them alongside the quote.

Can staff carry on working while you’re here?

Typically, yes. We phase the work so most of the building stays in use, with each area protected and signed.

How do you choose the sealant?

If the job is specified, we follow the specification. Otherwise, we recommend a product to suit the joint’s movement, the substrate and the conditions, following the manufacturer’s guidance.

When can the area be used after sealing?

The product and site conditions decide that. Some take light use quickly, others need longer to cure, and we confirm it before leaving site.

What will the job cost?

It depends on the job: quantities, access, the product and any phasing. Call for a quote.

Is the work guaranteed?

Yes, for 12 months. If a joint fails because of how we installed it, we come back and put it right.

New build and refits around Bromley Common

As part of Greater London, Bromley Common is inside the ULEZ, which applies to every van on site. Delivery slots and scarce storage shape how and when the mastic goes in. Bromley Common has a number of hotels close by, all within 2 miles. Hotel extensions and refits normally have to fit around bookings, so mastic dates are tight.

For contractors at a college like Bromley College, under half a mile to the north of Bromley Common, perimeters and internal sealant are timed for the holidays. On a campus such as University of Greenwich - Avery Hill, 4.7 miles north-east of Bromley Common, new teaching buildings and residences are typically built and refurbished around the academic year. On a healthcare site such as Princess Royal University Hospital, 1.6 miles to the south-east of Bromley Common, new blocks and refurbishments go on while the hospital keeps running, so mastic work is sequenced carefully.

Bromley Common is about 2 miles south-east of Bromley, in Greater London. Any commercial site in Bromley Common is covered, whether it’s a single job or part of a planned programme. We work across 764 places in Greater London, large and small. There’s a separate page for London, roughly 10 miles from Bromley Common.

Business premises anywhere in BR2 and BR1 are within our area. For a building on Pope Road, Crown Lane and Church Lane or nearby, we can quote for facade joints. Nearby places we also cover include Southborough (1 mile north-east), Hayes (1 mile south-west), Locksbottom (1 mile south-east), Shortlands (2 miles north-west) and Keston (2 miles south). Nearby towns on our patch include London (10 miles north-west), City of Westminster (12 miles north-west), Marylebone (12 miles north-west), Kensington (13 miles north-west), St Pancras (12 miles north-west) and Shoreditch (11 miles north-west).

Local landmarks in Bromley Common

Recent enquiries here include premises near Norman Park, The Chequers Public House and Bishop Justus CofE School and the streets around them. Bromley Common’s nearest station is Bickley station, roughly 1.2 miles north of the centre. Well-known places in the area include Bridgeways Day Hospital (under half a mile east) and Bethlem Museum of the Mind (under half a mile south-west). Not far away are Summer Hill and Downham Woodland Walk.

Map of Bromley Common © OpenStreetMap contributors
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