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

Coloured Sealant in Hampstead

Need coloured sealant in Hampstead? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Joints that need to match a new RAL frame colour
  • Hotel refurbishments with a set colour scheme
  • Standard-colour sealant spoiling a high-end finish
1
Send details
Tell us about the site, with photos if you have them.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Signed off, with 12 months’ guarantee.
South East, London & Scotland
Constructionline member
Fully insured: £5m PL

Need coloured sealant in Hampstead?

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

After the work

Regular inspection catches problems early. Specifically:

  • Clean coloured joints with mild products
  • Use one colour standard across multi-site work
  • Keep the area clear while the sealant cures
  • Reseal whole runs rather than patching single joints

Let the joints cure as the manufacturer advises before they’re cleaned. Fresh coloured beads show fingerprints and dust more easily, so keep the area clear.

Standardise the sealant colour on multi-site work. It keeps repairs and new sites consistent.

Coloured sealant in Hampstead

Stone, brick and cladding each bring their own colour challenge: a stone or brick facade shifts in tone from one area to the next. We choose a colour that reads well across the surface rather than chasing one spot, agreed on site where needed. We work on powder-coated and anodised frames, hotel bathrooms and public areas and cladding panels, and the usual reasons a site gets in touch are old sealant that has yellowed, darkened or faded and white or grey sealant that clashes with the finish. Whoever orders the work in Hampstead, the brief is normally the same: a fixed quote, no surprises on site and a 12-month guarantee behind the result.

Around Hampstead, as across the capital, commercial buildings range from converted period premises to recent office and mixed-use blocks, so one job can involve stone, brick, powder-coated frames and laminate in a single visit. The right product goes on each, in a colour chosen to suit where the joint is seen.

Work we carry out comes with a 12-month guarantee. If an installation problem shows up, call the office on 01277 525 020 or email the details over and we’ll arrange a return visit.

Where
Hampstead (NW3, NW6, NW11, N2)
Wider area
Greater London
Guarantee
12 months on every job
Price
Fixed quote, scope in writing
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

We check first that sealant really is the fix. It isn’t the answer for:

  • Overpainting a joint that needs a non-paintable product
  • Cleaning or repairing the surrounding finishes
  • A guaranteed perfect match to every finish

Not sure which it is? You can call the office on 01277 525 020 or send details through our quote form and we’ll tell you honestly before you book.

What we seal

  • Cladding panels
  • Powder-coated and anodised frames
  • Natural stone and brick
  • Hotel bathrooms and public areas
  • Office fit-out finishes
  • Shop-fit joinery and counters

Diagnose, treat, sign off

Inspect, seal, sign off: every visit follows that pattern. First comes an inspection and agreement on scope, then we prepare and seal each joint with the specified product, and we finish with a walk round so the work can be signed off. All of Greater London is in the ULEZ, and kerbside space in Hampstead can be scarce. Let us know about any on-site parking or loading arrangements when you send the job details.

  1. Photos or drawings show us the finishes and joints.
  2. We send the closest colours from the product’s range.
  3. Tell us your site hours and access windows and we’ll plan around them.
  4. Joints are prepared, primed where specified and backed.
  5. The agreed colour is installed and tooled neatly.

Before we start on site

  • Share the asbestos register for older buildings
  • Arrange parking or a loading space
  • Move anything stored against the joints

Quotes

For a fixed quote, ring 01277 525 020 or email the details over. You can also send details through our quote form.

Get a price

Read more

Shops, offices and hotels in and around Hampstead

The 3 miles around Hampstead take in at least three named trading estates, business parks or retail parks. Each new occupier on a park like these tends to refit, from reception to staff kitchen, often in a colour the occupier specifies. Most London commercial buildings run contractors through a reception, a permit system and booked goods-lift slots. We work within them, one zone at a time.

In hotels such as Quality Hotel Hampstead (less than half a mile south of Hampstead), refurbishments typically mean bathroom, bar and reception joints where a matched sealant colour has to sit with the finishes. A business with units at The Quadrant Business Centre and Regis Road Business Park needn’t use two contractors for its sealant. Premises within reach of Finchley Road & Frognal station (less than half a mile south-west of Hampstead) often have busy frontages where joints are seen by everyone passing.

Hampstead is about 3 miles north-west of City of Westminster, in Greater London. Our applicators travel to Hampstead for work on colour-matched joints. Our Greater London coverage takes in 764 places.

Postcode districts covered here: NW3, NW6, NW11 and N2. If your site is on Hampstead High Street, New End Square and The Mount Square or close by, send details and we will quote for colour-matched joints. With the A1 and A502 nearby, Hampstead is straightforward for us to reach. If your building is just outside Hampstead, we cover Greenhill (1 mile north-east), West Hampstead (1 mile west), Fortune Green (1 mile west), Vale of Health (1 mile north) and South Hampstead (1 mile south). Further afield, our area takes in London (5 miles south-east), City of Westminster (3 miles south-east), Marylebone (3 miles south-east), Kensington (4 miles south), St Pancras (3 miles south-east) and Shoreditch (5 miles south-east). Among the larger centres in Greater London is Hampstead, and we take on colour-matched joints for its commercial and public buildings.

Local landmarks in Hampstead

In Hampstead, that means premises near South Hampstead High School, Kilburn Grange Park and St Anthony's Preparatory School, among other places. Other local landmarks include King William IV Public House (under half a mile north-east) and Cecil Sharp House (1.7 miles south-east). Hampstead has its own railway station: Finchley Road & Frognal station. Other landmarks nearby include Isokon Gallery (0.8 miles east) and New End Hospital (less than half a mile north). Green spaces nearby include Belsize Wood and The Long Water.

Map of Hampstead © OpenStreetMap contributors

Quoting for work in Hampstead

Before we quote, we look at:

  • Joint width, depth and condition
  • Whether the work must be split into stages
  • Induction, permit and paperwork requirements
  • Specialist products, such as fire-rated or hygienic sealants

The price depends on how many linear metres there are, how much old material needs removing and how the joints are reached. Call for a fixed quote when you are ready.

Details that help us quote

We can often quote from photos and a few details. It helps to include:

  • How the joints are reached, and at what height
  • Your programme or deadline
  • Whether the building will be occupied during the work
  • Where the site is, with the postcode

If there’s a specification, drawings or a tender package, send it with your enquiry, and we’ll price the work to it. For smaller jobs, photographs and a description will do.

Questions about Hampstead

Will you take on work at estates like The Quadrant Business Centre, close to Hampstead?

Yes. We cover Hampstead and the area around it, including industrial estates, business parks and retail parks such as The Quadrant Business Centre. Send details of the unit and the work through our quote form for a quick quote.

Does a hotel in Hampstead need to shut while its sealant is renewed?

In the majority of cases no closure is needed: we work room by room or floor by floor. We agree the order of rooms and the timings with you before we start.

What if there’s asbestos in the old mastic?

Some older mastics, especially in pre-2000 buildings, can contain asbestos. Before we disturb old sealant in an older building, we ask to see the asbestos register or survey, and if asbestos is suspected, work stops until it’s tested. Removing asbestos is a job for asbestos specialists, not us.

Will you just go over the old sealant?

No. Failed sealant is removed and the faces cleaned back to sound, dry material first, since fresh sealant will not bond reliably to aged material.

When is resealing likely to be due?

There’s no fixed lifespan: movement, exposure, cleaning, traffic and the product all play a part. Treat them as maintenance items and inspect them regularly.

Does a coloured sealant perform differently from a standard one?

The product type decides performance, not the colour. The joint gets the product it needs, in a colour from that product’s range, installed in exactly the same way.

Can you work to our specification?

Yes. Send it with your enquiry, and the quote will be based on it.

Why it’s worth doing now in Hampstead

People notice sealant lines more than you might expect, especially in shop fits and hotels. Resealing in a suitable colour is a modest cost against the finishes it sits beside, and it lifts the whole area. Repeat call-outs disrupt occupied London buildings, so cutting the old sealant out fully and doing it right once is the better route.

Whether it’s a single area or a whole estate, the same things set the price: scope, access, product and programme. Call for a quote and we’ll put a fixed figure on it.

What you get with us

  • Work carried out by CSCS-carded applicators
  • Over 20 years of commercial sealing
  • Fully insured
  • Standard and matched colours in many product ranges

Take a look at how commercial sealant jobs are priced or our accreditations.

What the job involves on each surface

Natural stone

Stone facades and stone interiors vary widely. Colour is agreed on site where possible.

Office fit-outs

Partition frames and joinery are often in a set colour. We match from the product’s range as specified.

Accreditations

Trusted. Accredited. Insured.