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

Facade Sealing in Newyears Green

Looking for facade sealing in Newyears Green? Send us the details for a fixed quote, backed by a 12-month guarantee on the work.

  • Failed sealant on precast panel joints
  • Unsightly perimeter sealant on a visible elevation
  • Perimeter joints where frames meet the structure
1
Send details
Send the specification, photos or a marked-up plan.
2
Get a quote
Scope agreed and priced before anything starts.
3
We seal
Failed joints cut out, faces prepared, new sealant laid.
4
Guaranteed
12-month guarantee on our workmanship.
London, the South East & Scotland
CHAS & Constructionline
£5m public liability

Need facade sealing in Newyears Green?

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

Facade sealing in Newyears Green

Installing framed glazing systems isn’t part of our work. What we seal are the joints around them: perimeter joints where frames meet the structure, panel joints and window perimeters. Most enquiries involve sealant pulling away from frames or panels and gaps between rainscreen or cladding panels, across cladding panel joints, coping and flashing joints and shopfront frames. A specialist sealant contractor works differently from a general builder: in Newyears Green, that means joint design, primers and backing rod as standard.

Around Newyears Green, as across London, much of the work is refurbishing existing buildings as well as building new ones. New frames, overcladding and fit-outs all end in perimeter and facade joints, frequently with occupants close by, so tidy, well-planned work matters.

Whoever the client is, the cover is the same: a 12-month guarantee on our workmanship. It doesn’t extend to damage, faults in the building or work by others, and we are upfront about that.

Where
Newyears Green (UB9)
Wider area
Greater London
Guarantee
A 12-month guarantee
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

What we are called out for in Newyears Green

The wrong product causes its share of trouble: acetoxy-cure silicone may mark stone or corrode certain metals, and an interior product won’t last outdoors. Most external joints call for a neutral-cure, facade-grade sealant.

Things that normally lead to an enquiry:

  • Air leaks through failed facade joints
  • Failed sealant on precast panel joints
  • Failed seals around shopfront and entrance frames
  • Perimeter sealant that has split or peeled away

When a school such as Whiteheath Infant and Nursery School is extended or refurbished, the mastic package is often squeezed into the holidays.

What to look for in a quote

  • What level of public liability insurance do they hold?
  • Whether their applicators hold CSCS cards
  • How joint depth will be controlled
  • Their pre-qualification and accreditations

Questions to ask before you appoint anyone

Common questions from Newyears Green clients

Is Uxbridge Business Park, near Newyears Green, within your area?

Yes, sites like Uxbridge Business Park are within our area, along with the rest of Newyears Green. Send details of the unit and the work through our quote form for a quick quote.

Can you cope with the access rules in a London building?

Yes. Booked loading bays, goods lifts and permit-to-work systems are normal for London jobs. The building manager’s rules go straight into our method. All of Greater London is inside the ULEZ, and our planning allows for it

Is it okay to overlay old mastic?

No. Overlaying is a shortcut that peels away quickly. Our method is a full cut-out, cleaning, backing and a new bead.

Do you need to see the site first?

It depends on the job. Simple work can often be priced from photographs, and bigger or more complex jobs typically get a visit.

Will you quote for a small job?

We quote for single jobs as well as large packages and programmes. Send details for a fixed quote.

Will your applicators have CSCS cards?

Yes. We use CSCS-carded applicators, as many construction sites ask for.

Can you work while the building is occupied?

Yes, with some planning. We agree a sequence with your contact so just one area at a time is disrupted.

How a job runs

A typical day starts with protection: masking tape along the joint edges and sheeting over anything nearby. The work itself normally takes longer on a full elevation than on a handful of window perimeters, and it always depends on dry weather, and our waste is bagged and taken away as we go. Planning a London job such as one in Newyears Green starts with access. Send the building rules and access times with your enquiry.

  1. Photos, drawings or a visit tell us about the joints and the access.
  2. We confirm the joint type, movement and the specified product.
  3. The existing bead comes out in full.
  4. Primer goes on where the product data asks for it.
  5. Rod goes in to fix the depth, then the joint is sealed and tooled.
  6. We go over the completed work with you before leaving.

Before we start on site

  • Agree which areas must stay open
  • Explain the parking and delivery arrangements
  • Make sure the joints can be reached

Getting a fixed quote

Tell us about the building, the joints and when you need the work done, and a fixed quote will follow. The easiest way is to give us a call on 01277 525 020 or use the quote form.

Get a quick quote

Related advice

Why it’s worth doing now in Newyears Green

Topping up a failed joint typically buys very little time. A full cut-out and reseal costs more on the day but lasts much longer. Failed sealant in a building in Newyears Green can quickly affect neighbours, tenants or the floor below: water travels through shared structures, and a small leak becomes a dispute between occupiers. Putting it right early is less disruptive than dealing with the consequences.

Quantities, awkward access and phased working all shape the price. So do site requirements such as inductions and permits.

Why appoint us

  • Sealing commercial buildings since 2005
  • Standard and matched colours in many product ranges
  • Products installed to the manufacturer’s instructions
  • RAL and finish matching where the product range allows

Read our cost guide or our accreditations and insurance.

What sets the cost

Your fixed quote is built from the real scope. It takes account of:

  • The size and state of each joint
  • Which sealant the job calls for
  • Location, for remote and island sites
  • Any access equipment needed

No two sites price the same: the joint sizes, the specified product, access and working hours each have a bearing. Send the details and a fixed figure follows.

Before you send an enquiry

A few photos plus some basic facts will normally do. Please tell us:

  • The product your specification calls for
  • Clear photographs of the problem areas
  • Anything awkward about access or site hours
  • The asbestos register, for older buildings

We quote a fixed sum against the scope you give us, so you know the figure before anyone is on site. To start the process, speak to us on 01277 525 020 or email drawings and photos.

What sealant work can’t fix

Our job is the joint, not everything around it. On its own, sealant can’t deal with:

  • Work on the window or framing system itself
  • Render or concrete edges that have broken away
  • Joints whose design needs changing by the specifier

If in doubt, call 01277 525 020 or use the quote form and we’ll say what we think before you book.

Joints and surfaces we work on

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

Facades, frames and programmes in Newyears Green

The ULEZ covers the whole of Greater London, Newyears Green included, so site vehicles need to meet its standards or pay the daily charge. Delivery slots and scarce storage shape how and when the mastic goes in. The area within 2 miles of Newyears Green holds several hotels. Hotel schemes tend to have fixed reopening dates, so the mastic is programmed tightly with the other trades.

Further education sites such as Orchard Hill College Park View Centre, 2.3 miles to the south of Newyears Green, are extended and refurbished from time to time, with mastic often programmed into the summer break. Recladding or extending a unit at a site like Uxbridge Business Park (2.1 miles south-west of Newyears Green) brings panel joints and frame perimeters into the programme.

Newyears Green is about 2 miles west of Ruislip, in Greater London. We cover Newyears Green and the rest of Greater London, with the same fixed quotes and 12-month guarantee as everywhere else. We work across 764 places in Greater London. There’s a separate page for London, roughly 17 miles from Newyears Green.

Postcode districts covered here: UB9 for facade joints. If your building is just outside Newyears Green, we cover South Harefield (1 mile north-west), Ickenham (2 miles south), Denham (2 miles south-west), Ruislip Manor (2 miles east) and Ruislip (2 miles east). Bigger towns within reach include City of Westminster (14 miles east), Marylebone (14 miles east), Kensington (12 miles south-east), St Pancras (15 miles east), Hampstead (12 miles east) and Brompton (14 miles south-east).

Local landmarks in Newyears Green

We work on buildings around Breakspear Arms, Vyners School and Church Field Gardens. Newyears Green’s nearest station is West Ruislip station, about 1.2 miles south-east of the centre. Other landmarks nearby include The Chimes (2.6 miles south) and Hillingdon Museum and Archives Services (2.7 miles south). For a walk, there’s Northala Fields and Dews Farm Sand Pits.

Map of Newyears Green © OpenStreetMap contributors

When to bring in a specialist

Site maintenance staff can often handle a short internal joint. Where it goes wrong is preparation: new sealant over old, damp or dusty faces, or the wrong product for the movement.

General builders and handymen seal joints, but it isn’t their main trade. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint, which is what makes a joint last.

Accreditations

Trusted. Accredited. Insured.