Mastic sealing for building owners and managing agents in Crofton, Greater London
We carry out mastic sealing for building owners, managing agents and housing associations in Crofton and the surrounding area. Send details for a fixed quote.
- Old repairs sealed over failed mastic
- Occupiers reporting cold air round windows
- Damaged joints in communal entrances and corridors
Mastic sealing for Crofton sites
Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.
About our mastic sealing in Crofton
Blocks are lived in, so access and disruption have to be thought through. Dates, areas and the order of work are agreed with you in advance, giving you what you need to notify residents. Entrances and stairwells are kept in use while we work. We work on window and door perimeters on blocks, balcony and threshold joints and shopfronts below residential blocks, and the usual reasons a site gets in touch are old repairs sealed over failed mastic and the same joint failures repeated across a portfolio. Facilities teams, main contractors and managing agents in Crofton tend to want the same three things: a fixed quote, no surprises on site and a 12-month guarantee behind the result.
Planning mastic work on a London block means notices to residents, access to flats and agreed working areas. Work is planned with the agent so residents get notice and access is arranged in advance.
What our 12-month guarantee covers is the way we did the job: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.
- Location
- Crofton (BR6, BR5)
- Wider area
- Greater London
- Guarantee
- 12 months on our workmanship
- Quote
- A fixed quote before we start
- Phone
- 01277 525 020
- Page updated
- 3 November 2026
General trades versus a specialist
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.
Using site staff can make sense for a small touch-up, but larger jobs are different: a specialist brings efficiency, a consistent finish and a 12-month guarantee.
For owners and agents in Crofton
There are five care or nursing homes within about 2 miles of Crofton. For owners and operators of care buildings, window perimeters and external joints are best renewed in planned phases around residents. In London, mastic work on a block goes through the managing agent or landlord, with notice to residents. We work to your notice and access plan.
Owners of student blocks near University of Greenwich Avery Hill Campus, 4.9 miles north of Crofton, can schedule frame and external mastic for the summer vacation. Schools and community buildings such as Crofton Infant School need frame and external mastic kept sound like any building. Buildings close to stations like Orpington station, less than half a mile to the east of Crofton, are often flats over shops, with frame mastic to keep sound.
Crofton is about 1 mile south-west of Orpington, in Greater London. Commercial clients in Crofton can call on us for mastic joints, as part of our coverage of Greater London. Crofton is one of 764 places we cover in Greater London. For work in that direction, see our London page (11 miles or so).
Work on mastic joints is covered throughout BR6 and BR5. If your site is on Grange Road, Reed Avenue and Gumping Road or close by, we can quote for mastic joints. If your building is just outside Crofton, we cover Broom Hill (1 mile north-east), Locksbottom (1 mile west), Petts Wood (1 mile north), Farnborough (1 mile south) and Green Street Green (2 miles south). A short drive away, we cover London (11 miles north-west), City of Westminster (14 miles north-west), Marylebone (14 miles north-west), Kensington (15 miles north-west), St Pancras (14 miles north-west) and Shoreditch (12 miles north-west).
Landmarks near Crofton
Locally, jobs take us to sites close to The Priory School, Newstead Wood School and The Maxwell pub. Crofton has its own railway station: Orpington station. A little further out are Orpington Hospital (1.1 miles south-east) and Crofton Roman Villa (under half a mile south-east). Green spaces nearby include Summer Hill and The Warren.
Towns and villages near Crofton
Other services in Crofton
Work for main contractors and building owners
CHAS accredited and a Constructionline member, we make supplier vetting simple. Our insurance certificate can be sent along with the quote.
We work for building owners and managing agents on sealant work across single buildings or whole portfolios. One quote can cover more than one site, which keeps the paperwork simple.
On site: what to expect
Before we leave any area, we remove the tape, clean down and inspect every joint with your site contact. Where the sealant needs time to cure before use, we tell you and sign the area. Planning a London job such as one in Crofton starts with access. Send the building rules and access times with your enquiry.
- A building-by-building inspection lists the failed joints.
- The quote is fixed and split as suits you.
- We agree the programme and dates with you.
- Old mastic is removed and the joint faces prepared.
- Joints are resealed and tooled.
- We check the finished work and confirm the guarantee.
What we need from you
- Have the specification and drawings to hand
- Tell us what induction or permit system the site runs
- Clear stock, furniture or equipment away from the joints
Getting a fixed quote
If there’s a specification, drawings or a tender package, send it with your enquiry, and we will price the work to it. For smaller jobs, photographs and a description will do.
Advice
How the quote is worked out
Before we quote, we look at:
- Which sealant the job calls for
- Distance, for remote addresses
- Induction, permit and paperwork requirements
- Working within restricted access windows
What a job costs comes down to the quantity of joints, how much old material needs removing and the access. Call for a fixed quote when you’re ready.
Sending details for a quote
There’s no need for a formal survey. A few details are enough to get going:
- The postcode of the building
- When you need the work done
- Anything awkward about access or site hours
- The type of building and who uses it
Send details, get a quote, we seal, guaranteed: that’s how every job runs. The first step is to phone 01277 525 020 or email a schedule or drawings with what you know.
Surface by surface
Estate-wide resealing programmes
A programme can start with the worst buildings and work down. Quotes can be per block or for the full programme.
Planned maintenance
We can work into your cyclical maintenance plan, building by building.
Crofton: questions and answers
Is Halo Business Park, near Crofton, within your area?
Yes. We cover Crofton and the area around it, including industrial estates, business parks and retail parks such as Halo Business Park. To start, just speak to us on 01277 525 020 or send photos by email with the unit, the joints involved and your access times.
Can work in a care setting near Crofton go ahead while residents are there?
Yes. Care settings are planned area by area, at times agreed with the home. We follow the home’s own procedures throughout.
What will the job cost?
We don’t publish prices, as every site differs. With photographs or drawings, we can give you a fixed quote.
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.
Can you work to our specification?
Yes. We follow the specification, along with the manufacturer’s installation guidance, and any queries are raised before we start.
How long does a job like this take?
We plan the time on site around your programme and access. We’ll give you an estimate of time on site when we quote.
Do you work for managing agents and housing associations?
Yes, that’s exactly who this service is for. We work through buildings in a planned order with dates agreed in advance.
What sealant work can’t fix
A proper diagnosis includes knowing what sealant can’t do. You will hear from us if the cause turns out to be one of these:
- Misted or failed double-glazed units
- Asbestos-containing sealant, which we don’t remove
- Roof leaks, gutters or failed flashings that aren’t sealant joints
If you are not sure, just speak to us on 01277 525 020 or use the quote form and we will give you a straight answer before you book.
Joints and surfaces we work on
- Window and door perimeters on blocks
- Communal kitchens and washrooms
- External wall and movement joints
- Communal entrances and stairwells
- Balcony and threshold joints
- Shopfronts below residential blocks