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

Construction Mastic in Upper Norwood

Commercial sealant work in Upper Norwood for contractors, FMs and building owners: mastic packages for new-build and refurbishment projects, quoted at a fixed price.

  • Missed perimeter joints on a new elevation
  • Old sealant on a refurbishment that needs stripping before new work
  • Cracks opening in caulked internal joints
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
A fixed price, with what’s included set out clearly.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
Backed by a 12-month workmanship guarantee.
South East, London & Scotland
CHAS accredited
Fully insured: £5m PL

Construction mastic for Upper Norwood sites

Photos, a specification or a quick description of the joints is enough to start a fixed quote.

Construction mastic in Upper Norwood, done properly

Mastic is often where a new building first shows its quality to the client. Untidy or missed joints are among the commonest snag items, and every return visit costs time. Our aim is joints that pass at the first inspection, whatever the size of the scheme. Most enquiries involve internal caulk splitting as the building dries out and missed perimeter joints on a new elevation, across cladding and panel joints, floor and skirting junctions and window and door perimeters. Whether you call it commercial sealant work, mastic application or joint sealing, in Upper Norwood it comes down to the same thing: the right product in a properly prepared joint.

The ULEZ covers the whole of Greater London, so contractors’ vehicles on a job in Upper Norwood must meet its standards or pay the daily charge. Alongside that, sites usually need booked deliveries and a plan for where materials go.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

The Mastic Doctor team beside their liveried vans in front of an office building
Where
Upper Norwood (SE19, SE27, SE21)
Region
Greater London
Cover
A 12-month guarantee
Quotes
Fixed quote, scope in writing
Phone
01277 525 020
Updated
3 November 2026

Cost factors for mastic packages

These are the things that shape the price:

  • Backing rod, priming and other preparation
  • How accessible the joints are
  • Whether old sealant has to be cut out first
  • Whether the work must be split into stages

We don’t publish prices, since every building and every scope is different. Call for a quote.

What to include in your enquiry

Good information means a firmer quote. Helpful details to send:

  • What the building is and how it’s used
  • Clear photos of the problem areas
  • Whether an asbestos survey exists
  • Approximate linear metres or a joint schedule

Tell us about the building, the joints and when you need the work done, and we’ll put a fixed quote together. To get it moving, ring 01277 525 020 or use the quote form.

Keeping the joints sound

Every sealant joint needs some looking after, and how long they last depends on how they’re treated. Our advice:

  • Record the products used in the O&M file
  • Brief the final clean team to avoid blades near sealant
  • Allow flexibility for external sealing in damp or cold weather
  • Protect sealed areas from following trades

At handover, keep the product details with the O&M information. Future maintenance is easier when the products are known and avoids guesswork when joints are renewed. We can confirm the handover information you need when we quote.

A missed perimeter seal on one window can wet the reveal and the plaster inside. That normally means redoing finishes in a completed area, and a delay to handover. Checking perimeters before internal finishes go on avoids it.

From enquiry to sign-off

We schedule the visit to fit the site hours and access windows you give us. On the day, the work area is kept contained and tidy, and your contact hears from us before we move to the next area. In Upper Norwood, most buildings stay in use during the work, so zones and timings are agreed with whoever manages the building. Phased work keeps the rest of the building in use.

  1. Drawings, specification and programme come to us.
  2. Quantities are measured and a fixed price returned.
  3. The sequence is agreed with the site manager.
  4. Plots or floors are sealed as they’re handed over.
  5. Joints are prepared, backed and sealed to the specification.
  6. Snags are cleared and the package signed off with our 12-month guarantee.

Preparing the site

  • Let us know about inductions and permits
  • Send any specification or drawings in advance
  • Clear stock, furniture or equipment away from the joints

Getting a fixed quote

Pricing a project or setting a maintenance budget? Send the scope and any drawings, and we will return a fixed quote that you can work with. If you have questions first, give us a call on 01277 525 020 or email a schedule or drawings.

Ask for a quote

Read more

FAQs: Upper Norwood

Do you take on work at healthcare sites like British Home & Hospital for Incurables?

Yes, provided the work is planned with the site’s estates team. Each area is agreed with the ward or department and the estates team in advance.

Can you work around term dates at a campus such as King's College London?

Yes. Education sites typically want the work in vacations or in phases during term, and we plan to suit. Any paperwork you need, from RAMS to our insurance certificate and CSCS details, is confirmed with the quote.

How do you work with the site programme?

We seal plot by plot or floor by floor as areas are released. The sequence is settled with your site team and adjusted as things change.

Can weather delay the job?

It can, for external work. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.

Do you seal on top of existing sealant?

No, never. Sealing over old material is one of the classic causes of early joint failure, so it all comes out first.

What accreditations do you hold?

CHAS and Constructionline are both in place, and our applicators hold CSCS cards. Public liability insurance is in place.

Do you take on multi-site work?

Yes. Several buildings can share a single quote, with one point of contact.

Commercial clients in Upper Norwood

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, and each stage is agreed with your contact.

Facilities managers want contractors who arrive with the paperwork sorted. Let us know the documents you need (RAMS, insurance certificate, CSCS details) and we will confirm them with the quote.

What we can’t put right

Honesty saves time and money. New sealant won’t cure:

  • Defective windows, doors or glazing units (the supplier or installer’s job)
  • Damage to finishes by other trades after we’ve sealed
  • Designing joint widths or choosing the specification (that sits with the designer)

If in doubt, ring 01277 525 020 or send details through our quote form and we will say what we think.

What we seal

  • Window and door perimeters
  • Cladding and panel joints
  • Internal decorators’ caulk
  • Brick and block movement joints
  • Sanitary and kitchen joints
  • Floor and skirting junctions

Contractors’ notes for Upper Norwood

Upper Norwood has several hotels close by, all within 2 miles. When hotels extend or refit, the work is typically squeezed between peak periods, mastic included. Every borough of Greater London is inside the ULEZ, and that applies to contractors’ vehicles on any job in Upper Norwood. London sites also mean booked deliveries and limited storage, which the mastic programme has to allow for.

On a campus such as King's College London, which lies north of Upper Norwood, new teaching buildings and residences are normally built and refurbished around the academic year. Hotels like Astra Palace Hotel (to the north-east of Upper Norwood) rarely close for long, so refurbishment mastic is phased floor by floor. Units on estates such as Hamilton Road Industrial Estate, 0.6 miles to the north of Upper Norwood, tend to be reclad and refitted as tenants change, and each job leaves cladding and perimeter joints to seal.

Upper Norwood is about 4 miles south-east of Stockwell, in Greater London. We send applicators to Upper Norwood for mastic packages, handled exactly as we handle every other area. Upper Norwood is one of 764 places in Greater London on our list for mastic packages. We also cover London, around 6 miles from Upper Norwood.

If you need construction mastic in SE19, SE27 and SE21, the process matches everywhere else we work: details, then a fixed price, then sealing and a 12-month guarantee. For a building on Dover Road, Hawke Road and Tudor Road or nearby, we can quote for mastic packages. Main routes into Upper Norwood include the A214. Just outside Upper Norwood, we also work in Norwood New Town (1 mile west), Gipsy Hill (1 mile north-east), West Norwood (1 mile north-west), Crystal Palace (1 mile east) and Anerley (1 mile east). Further afield, our area takes in London (6 miles north), City of Westminster (7 miles north-west), Marylebone (7 miles north), Kensington (7 miles north-west), St Pancras (7 miles north) and Shoreditch (7 miles north).

What’s near Upper Norwood

In Upper Norwood, that means premises near The Sparrowhawk pub, Long Meadow and Rockmount Primary School. There’s a railway station in Upper Norwood itself: Gipsy Hill station. Nearby you’ll also find St Christopher's Hospice (1.3 miles east) and Crystal Palace Museum (0.5 miles east). Not far away are Dulwich Upper Wood and Knight's Hill.

Map of Upper Norwood © OpenStreetMap contributors

Leave it or put it right?

When a package runs over budget, downgrading the product is a common first thought. The saving is small next to the cost of callbacks and defects, especially externally. We price the specified product and will tell you plainly where an alternative would or wouldn’t work. Failed sealant in a building in Upper Norwood can quickly affect neighbours, tenants or the floor below: water travels through shared structures, and a small leak becomes a dispute between occupiers. Dealing with it early is simpler for everyone.

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote when you are ready.

What you get with us

  • Clear, fixed quotes
  • 12-month guarantee on workmanship
  • Old sealant cut out, never sealed over
  • A range of standard colours, depending on the product

See our cost guide and our accreditations.

Accreditations

Trusted. Accredited. Insured.