Mastic sealing for building owners and managing agents in Farringdon, Greater London
Mastic sealing for building owners, managing agents and housing associations in Farringdon and across Greater London. CHAS accredited and fully insured, with a 12-month guarantee.
- Open joints in brickwork or panels
- Worn sealant at communal door frames
- Repeated reactive repairs to the same buildings
Need mastic sealing in Farringdon?
Send drawings, photos or a joint schedule, or tell us about the site, and we’ll come back with a fixed quote.
About our mastic sealing in Farringdon
In buildings from before 2000, some old mastics contain asbestos. We check the asbestos register or survey before any old sealant is cut out and if it’s suspected, work stops until it’s tested. We don’t remove asbestos-containing materials. Site teams most often ask us about water getting in round frames after rain and repeated reactive repairs to the same buildings, on communal entrances and stairwells, window and door perimeters on blocks and external wall and movement joints. Facilities teams, main contractors and managing agents in Farringdon tend to want the same three things: a clear scope, tidy work and joints that don’t fail again.
London has a large stock of purpose-built blocks, mansion flats and converted buildings managed by agents and housing associations. Mastic around windows, doors and balconies tends to fail across a whole block at a similar time.
Building owners and contractors get the same cover: a 12-month guarantee on our workmanship. Faults in the structure, damage and other trades’ work fall outside it, and we say so plainly.
- Location
- Farringdon (EC1V, EC1R, EC1P)
- Region
- Greater London
- Guarantee
- 12 months on every job
- Quote
- Quoted before any work starts
- Phone
- 01277 525 020
- Last updated
- 3 November 2026
Why deal with it now?
Leaving failed external joints lets water reach the structure behind. That can lead to damp, staining and damage to finishes and those cost far more to put right. Getting scaffold, permits or access booked in Farringdon takes effort, so while access is arranged it pays to renew all failing joints, not just the worst.
What a job costs comes down to how many linear metres there are, how much old material needs removing and the access. Call for a quote when you’re ready.
Why choose Mastic Doctor in Farringdon
- Specification-led, product-correct work
- A fixed quote before work starts
- Work carried out by CSCS-carded applicators
- Health and safety: CHAS accredited
Read what affects the cost and our accreditations.
What the job involves on each surface
Commercial and mixed-use buildings
Commercial buildings have mastic at shopfronts, entrances and external joints. We work across portfolios on a planned basis.
External movement joints
Movement joints are cleaned out, backed with rod and resealed with a sealant of the right movement class.
After the work
Regular inspection catches problems early. In particular:
- Group repairs into a planned programme
- Keep a record of when each building was resealed
- Make it easy for occupiers to report draughts
- Look at the sunniest and most exposed elevations first
Ask residents or tenants to report draughts or leaks round windows early. Early reports catch failures before damage spreads.
Leaks at window perimeters spoil finishes and can affect frames. Early resealing is far simpler than repairs inside.
Places near Farringdon
Also in Farringdon
Planned mastic for Farringdon portfolios
Blocks in London are typically run by managing agents, landlords or housing associations, with residents to notify and access to arrange. We fit the programme to your notice periods. Two care or nursing homes sit less than 2 miles from Farringdon. Care home owners need frame and external mastic kept sound without unsettling residents.
If you own or manage units on a site such as Grand Vitesse Industrial Estate, 1.2 miles to the south of Farringdon, failed mastic on frames, door surrounds and external joints can be dealt with unit by unit. If you manage student housing near a university such as Queen Mary's University West Smithfield Campus, less than half a mile south-east of Farringdon, the summer turnaround is the time for mastic. Trustees of buildings like St John Clerkenwell can bring frame and external mastic into a planned maintenance list.
Farringdon is about 2 miles north of London, in Greater London. We cover commercial sites throughout Farringdon, for single jobs and planned programmes alike. Farringdon is one of 764 places in Greater London on our list.
We cover the EC1V, EC1R and EC1P postcode districts for mastic joints. We cover commercial and managed buildings on Oat Lane, Shoe Lane and Long Lane and the roads nearby. With the A1 and A4 nearby, Farringdon is easy to get to with materials and equipment. Just outside Farringdon, we also work in Smithfield (1 mile south), Clerkenwell (1 mile north), Holborn (1 mile west), Blackfriars (1 mile south) and Temple Bar (1 mile south-west). Bigger towns within reach include Kensington (4 miles west), Walthamstow (6 miles north-east), Hampstead (4 miles north-west), Ruislip (14 miles west), Brompton (3 miles south-west) and Stockwell (4 miles south).
What’s near Farringdon
Recent enquiries here include premises near The Castle Public House, St Mary-at-Hill and Barts Health Archives, among other places. Nearby too are St Peter and St Paul RC Primary School (less than half a mile north), Barbican Conservatory (under half a mile east) and Central Foundation Boys' School (0.8 miles east). There’s a railway station in Farringdon itself: Farringdon station. Well-known places in the area include Museum of the Order of St John (less than half a mile north-east) and Gabriel's Wharf (0.9 miles south). Open spaces near Farringdon include Ludgate Hill and Barnsbury Wood.
Diagnose, treat, sign off
Before we leave any area, the masking comes off, the area is cleaned and every joint is checked, ready for your sign-off. Where the sealant needs time to cure before use, we tell you and sign the area. The ULEZ covers the whole of Greater London, and parking near a job is rarely simple. Let us know about any on-site parking or loading arrangements when you send the job details.
- A building-by-building inspection lists the failed joints.
- The quote is fixed and split as suits you.
- Dates and areas are agreed so occupiers can be told.
- Failed sealant is removed and the faces prepared.
- Joints are resealed and tooled.
- We check the finished work and confirm the guarantee.
Getting the site ready
- Send your site hours and access windows
- Have the specification and drawings to hand
- Share the asbestos register for older buildings
Get a fixed quote
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, speak to us on 01277 525 020 or email a schedule or drawings.
Read more
How the quote is worked out
Each job is priced on its own details. The things that drive the figure:
- Working within restricted access windows
- How accessible the joints are
- How much there is to seal
- Whether old sealant has to be cut out first
We don’t publish prices, because the scope varies so much from one building to the next. Call for a quote.
Before you send an enquiry
A good diagnosis starts with the right details. Let us know:
- Your programme or deadline
- Asbestos survey details if the building is older
- A wide shot and a close-up of the area
- Access details, including height
The quickest route to a quote is a few photos and the site postcode. Send them through the quote form, or give us a call on 01277 525 020 or send photos by email if you’d rather talk the job through.
Farringdon: questions and answers
Can you quote for a block close to Farringdon station?
Yes. Managing agents, landlords, property factors and housing associations are who this service is for. Send the address, photographs of the elevations and your access arrangements, and we will give a fixed quote.
Can work in a care setting near Farringdon go ahead while residents are there?
Yes. We work around residents’ routines, a room or two at a time. Noise and disruption are kept to a minimum.
When is resealing likely to be due?
There isn’t a single answer, because life depends on how much the joint moves, how exposed it is and how it’s cleaned and used. Regular checks let you plan resealing before leaks or damage.
How do you choose the sealant?
If the job is specified, we follow the specification. If not, we choose for the movement, the surfaces and the conditions, in line with the manufacturer’s guidance.
Is it fine to apply new sealant on top of old?
No. We cut the old material out and clean the joint back before sealing, because fresh silicone will not bond with aged silicone.
Do you work to architects’ specifications?
Yes. Include it with the drawings when you ask for a quote, and the quote will be based on it.
Do you work in Farringdon?
Yes. Farringdon is in our area, within our coverage of Greater London, South East England and Scotland. To discuss a job, ring 01277 525 020 or email us.
Should maintenance staff do it?
For a quick touch-up, site staff may be fine, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
There’s also the paperwork. Main contractors and clients often ask for CSCS cards, RAMS and insurance details, and our CSCS-carded applicators are used to working under those rules.