Greater London · England
External & façade joints in Enfield Lock, Greater London
Our applicators work in Enfield Lock on sealing brickwork movement joints, render, cladding and façade joints. Old material cut out, joints cleaned and sealed neatly and a 12-month guarantee.
- Failed seals between different materials
- Old sealant gone brittle and cracked
- Water getting into walls through failed joints
External mastic in Enfield Lock, done properly
Low-level joints can generally be done from the ground. Where joints are higher up, tell us about the building when you get in touch and we will confirm what’s needed to reach them safely. Typical jobs include joints where the bead has come unstuck and plants rooting in failed movement joints, across brickwork movement joints, joints between brick and frames and render & cladding joints.
London’s terraces and conversions often share walls, gutters and downpipes with their neighbours, so a leaking gutter joint or failed wall joint can affect more than one home. For a flat in Enfield Lock, check the lease for who looks after the outside.
A 12-month guarantee comes as standard.
- Location
- Enfield Lock (EN3)
- Region
- Greater London
- Cover
- A year, on every job
- Quote
- Quoted before any work starts
- Call
- 0345 464 0079
- Updated
- 26 October 2026
Signs you need external mastic in Enfield Lock
Some movement joints have been pointed up with mortar, often by someone who didn’t know what it was for. The joint cannot move, so the wall cracks somewhere else instead.
The most common problems we see are:
- Joints with sealant missing in places
- Failed sealant between panels on a façade
- Movement joints filled with mortar instead of sealant
- Failed seals between different materials
If you look after a building such as Prince of Wales Primary School, its movement joints, gutters and trims need looking after like any other building’s.
Questions to ask before you book
- The length of the guarantee
- How the joint is cleaned and prepared
- What the quote includes, VAT included or not
- What the cure time is
Should I try it myself first?
If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.
The biggest DIY mistake is sealing over old sealant. Silicone does not stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
Nearby places to Enfield Lock
Also in Enfield Lock
Questions from Enfield Lock
Do you work for landlords with property near Enfield Lock station?
Yes, rental work is part of what we do. You can call 0345 464 0079 or drop us an email with the address and a few details, and we will give you a fixed price before we start.
Is parking an issue for external mastic in Enfield Lock?
Parking in Enfield Lock, as in most of London, takes a little planning: a visitor permit or a bay close to the door helps a lot.
What is a movement joint?
Most straight vertical gaps in brickwork are movement joints. It lets the bricks expand without cracking, and it should be sealed with a flexible sealant.
Can I do it myself?
Sometimes. The key is preparation: remove all the old material and work on a clean, dry joint. If it doesn’t work out, we can redo it.
Do you cover Enfield Lock?
Yes. We cover Enfield Lock and the rest of Greater London. To book, call 0345 464 0079 or send us an email.
Should I point up the gap in my brickwork?
No, not where the gap is a movement joint. Filling it with mortar defeats its purpose, and the wall may crack nearby. We will reseal it with a flexible sealant.
Will the old sealant be removed?
Yes, every time. New sealant won’t bond properly to old, so the joint is cleaned back first.
Is it OK to seal over old sealant?
No. The old sealant always comes out first, so the new sealant bonds properly.
The process
We work through the job in order: protection first, then preparation, sealing and a tidy-up. For most jobs that takes a few hours for a handful of joints, longer for a whole elevation and we leave things clean and tidy. For a job in Enfield Lock, parking and access are the things to plan: tell us about permits, visitor bays or off-street space, which floor we are working on and whether there’s a lift.
- We start by checking each joint, agreeing the ones to redo and how we’ll reach them.
- Old sealant and any debris are cut and raked out.
- The joint faces are cleaned and primed where the sealant needs it.
- We push in closed-cell backing rod so the sealant is the right depth and bonds to the sides only.
- We gun in a flexible exterior sealant in a colour that suits the wall and tool it neatly.
Preparing for the visit
- Let us know if you’ve seen damp or leaks
- Let us know about parking restrictions
- On commercial sites, let us know about site rules
Get a quote
For external mastic in Enfield Lock, call 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Related advice
What we can’t put right
Before you book, it’s worth knowing the limits:
- Rising or penetrating damp from elsewhere in the wall
- Render that’s blown, hollow or coming away
- Cracks in the bricks or render themselves, away from the joints
If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think before booking.
Where we work in Enfield Lock
- Joints between brick and frames
- Façade panels
- Copings & trims
- Concrete & block
- Render & cladding joints
- Brickwork movement joints
Why act early in Enfield Lock
Mortar or ordinary filler might look like a quick way to close an open joint, but it stops the joint moving. The movement then cracks the brickwork or render nearby. A flexible sealant over backing rod is what the joint needs. Converted houses in London often have a bathroom above someone else’s living room, so a small leak from tired sealant can mean a neighbour’s ceiling and a lot of disruption. Dealing with it early is far simpler.
Commercial jobs are quoted on the same basis as homes: how much there is to do, how we reach it and what it needs, along with when we can work on site. Call for a quick quote and we’ll explain what it covers.
Why us?
- One-year guarantee on every job
- Quality sealants from Arbo and Everbuild
- Anti-fungal sanitary silicone in wet areas
- Domestic, commercial and hotel work
For landlords and businesses
For anyone letting property in or around Enfield Lock, several properties can go on one quote. Send us the addresses and the work at each, and pictures by email help.
Whether it’s one flat or a portfolio, you get the same standard of work: the old material taken out, careful preparation and a 12-month guarantee.
What affects the cost of external mastic
Every job gets its own quote. These are the things that affect it:
- The number and length of the joints
- The old material and how stubborn it is
- Access and height
- The product the joint needs
There are no prices on our website, because each job is priced on what it involves. For a quick quote, please call 0345 464 0079 or drop us an email.
What to tell us for a quote
You do not need to know the technical terms. Just tell us:
- Access, such as stairs, a lift or height
- The type of property
- What’s wrong with the joints now
- Any previous sealing or DIY work
Want a quote for external mastic? Please ring 0345 464 0079 or send us an email and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.
Outside joints around Enfield Lock
With historic houses such as Forty Hall (about 1.8 miles west) nearby, there’s older building stock in the area around Enfield Lock as well as newer homes. Where a home is older, older brick and stone need a sealant that suits them, at the right joint depth. London terraces and converted houses often share gutters, downpipes and walls, so it’s worth agreeing who is responsible before work starts.
Homes close to Ss Peter and Paul Church include some older properties, and an extension built onto an older house moves differently, and the joint between them takes the strain. Enfield Lock is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.
Enfield Lock is about 2 miles south-west of Waltham Abbey, in Greater London. Our applicators cover external mastic for homes and businesses in Enfield Lock and nearby, as part of our work across Greater London. Across Greater London, we cover 764 places, Enfield Lock among them. We also work in London, about 12 miles from Enfield Lock.
Every address in EN3 is within our area for external mastic, from the main roads to the quietest streets. Streets in the area include Bell Lane, Park Road and Albany Road. If you’re just outside Enfield Lock, we cover Enfield Island Village (1 mile east), Freezywater (1 mile north), Enfield Wash (1 mile west), Brimsdown (1 mile south) and Enfield Highway (1 mile south-west). We also work in nearby towns such as London (12 miles south), City of Westminster (12 miles south-west), Marylebone (12 miles south-west), Kensington (14 miles south-west), St Pancras (11 miles south) and Shoreditch (10 miles south).
Local landmarks in Enfield Lock
In Enfield Lock, that means homes and buildings near Aylands School, Gunpowder Park and Oasis Academy Enfield. There’s a railway station in Enfield Lock itself: Enfield Lock station. Other landmarks nearby include Museum of Enfield (2.6 miles south-west) and St Michaels Hospital (2.5 miles west). Not far away are Lippitts Hill and Bowyer's Water.