Greater London · England
External & façade joints in Pimlico, Greater London
Movement joints in Pimlico need attention? We remove the old material, prepare the joints and seal them properly.
- Joints pointed up with cement by mistake
- Weeds or debris growing in open joints
- Sealant pulling away from one side of the joint
Pimlico questions
Do you cover Pimlico for external mastic?
Yes, Pimlico is within the area we cover. Our work covers London and the South East. Just phone 0345 464 0079 or email us with a few details of the job, and we will give you a clear price.
Is parking an issue for external mastic in Pimlico?
London parking needs a little planning, so let us know about permits, bays or a driveway when you book. That way the visit can be planned around it.
What information do you need?
Where the job is, what the problem is and roughly how big it is. If you can, email a few pictures.
How much does external mastic cost in Pimlico?
We don’t publish prices, because the cost depends on the job: how much there is, what’s there now, how we reach it and what it needs. We agree the price before any work begins.
Will you leave a mess?
We keep the work tidy. We protect what’s around the joints.
Can you do several jobs on one visit?
Yes, and it often makes sense. Combining jobs makes good use of the visit, so mention them when you ask for a quote.
Why is there a gap in my brick wall?
Walls move with heat, cold and moisture, and planned joints take up that movement. The gap is sealed with a flexible sealant over backing rod.
Do you remove the old sealant?
Yes. All of the old material is cut out and the joint cleaned before resealing.
External mastic for homes and businesses in Pimlico
Short cuts in external joints show up within a season or two. New sealant over old, joints packed with mortar and beads with no backing all tend to fail early. We take the old material out and do it properly. Common call-outs are for movement joints filled with mortar instead of sealant and failed seals between different materials, across brickwork movement joints, copings & trims and joints between brick and frames.
Modern London flats rely on sealed movement joints and cladding joints. Older terraces have their own weak points: gutter joints, roofline trims and the joint where an extension meets the original wall, and both kinds of building are found across London.
Big or small, you get the same one-year guarantee in Pimlico and across Greater London.
- Location
- Pimlico (SW1P, SW1V, SW1W)
- Region
- Greater London
- Cover
- A year, on every job
- Quote
- A clear price before we start
- Call
- 0345 464 0079
- Page updated
- 26 October 2026
The process
You do not need to clear the whole room or building before we come, just the space around the work. We protect the rest, and the work takes anything from a few hours to several days, depending on the building for a typical job. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- Each joint is checked and the colour of the new sealant agreed.
- We take out the old sealant until the faces are sound.
- Closed-cell backing rod is pushed in so the sealant bonds to two sides only.
- We prime the faces where required.
- A low-modulus exterior sealant is gunned in and tooled to a neat finish.
Before we arrive
- Keep pets and children clear of the area while we work
- Let us know about earlier repairs to the joints
- Tell us about access, such as stairs, a lift or high-level joints
How to get a quote
We quote each job on its own, so start by telling us what you need. Just ring 0345 464 0079 or send us an email with the details, and photos are welcome.
Advice
What the job involves on each surface
Concrete and blockwork
Wide joints in concrete need the depth controlling carefully. Backing rod sized to the joint sets it.
Joints between dissimilar materials
Wherever two materials meet, they move differently. A flexible sealant bridges the two so the movement is taken up.
Pimlico buildings and the weather
Rainfall in the South East is lower than in much of the UK, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. With historic houses such as Buckingham Palace (about 0.9 miles north) nearby, there’s older building stock in the area around Pimlico as well as newer homes. Where a home is older, older walls and rooflines need a sealant that moves with them and suits the material.
As a London address, Pimlico can be tricky for parking: let us know about parking bays, permits or a driveway. Managing a site like Churchill Gardens Primary Academy? Then larger buildings have long runs of movement joint that eventually need resealing.
Pimlico is about 1 mile east of Brompton, in Greater London. Every kind of property in Pimlico can book us for external mastic, old or new, large or small. Every job comes with our 12-month guarantee. 764 places in Greater London are on our list.
Postcode districts we cover here for external mastic: SW1P, SW1V and SW1W. That includes homes and businesses on Ponton Road, Wilton Road and Ebury Square. You’ll find Pimlico on the A202 and A3212, so it’s easy for us to get to with everything needed for external mastic. We also cover the places around Pimlico: Victoria (1 mile north-west), Nine Elms (1 mile south-west), Westminster (1 mile north), Millbank (1 mile north) and Vauxhall (1 mile east). Larger places within reach include Kensington (3 miles west), St Pancras (3 miles north), Shoreditch (4 miles north-east), Walthamstow (8 miles north-east), Hoxton (4 miles north-east) and Whitechapel (4 miles north-east).
Local landmarks in Pimlico
In Pimlico, that means homes and buildings near Lambeth Palace Library, Grosvenor School of Modern Art and Pimlico Gardens, among other places. Also close by are Denbigh Arms (within half a mile north-west) and Pimlico Academy (under half a mile south-east). The nearest railway station is London Victoria station, roughly 0.5 miles north-west. Well-known places in the area include Baynard's Castle (2.3 miles north-east) and Harrods (1.3 miles north-west). Not far away are Bellenden Road Nature Garden and Ludgate Hill.
For landlords and businesses
If you manage several properties in or around Pimlico, jobs at different addresses can be quoted together. Just tell us the addresses and what each one needs, and photos by email help.
Whether it’s one flat or a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.
What we cannot put right
A few problems are outside what sealant work can do:
- Adding movement joints to masonry that has none
- Damp from another source, such as a leaking gutter or a bridged damp-proof course
- Loose or hollow render, which needs re-rendering
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer.
What we seal
- Brickwork movement joints
- Concrete & block
- Joints between brick and frames
- Copings & trims
- Façade panels
- Render & cladding joints
Can I do it myself?
Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Overfilling a joint is a classic DIY mistake. A thick, smeared bead looks untidy and does not move well, and the joint depth matters as much as the finish.
Do you need external mastic in Pimlico?
UV, rain and frost all age exterior sealant. In time it goes hard, crazes on the surface and stops stretching, so the joint eventually tears or comes away from one side.
People usually contact us when they notice something like this:
- Old sealant gone brittle and cracked
- Movement joints filled with mortar instead of sealant
- Brick movement joints where the sealant has split
- Gaps where render, brick and frames meet
If you live in an older home near St Gabriel's, an extension built onto an older house moves differently, and the joint between them takes the strain.
What your quote should include
- Which colour the sealant will be
- Are they insured?
- Whether the sealant suits the joint
- How the joint is cleaned and prepared
Other services in Pimlico
How we quote for external mastic
We quote each job individually. This is what makes a difference:
- How much there is to do
- Which sealant suits the joint
- Any working-time requirements on site
- The number of rooms or windows
Combining jobs into one visit usually makes better use of the time than several visits. We’ll give you a clear quote for the lot.
What we need to know
There’s no need for technical detail. Just tell us:
- Whether it’s a home or a business
- Roughly how big the job is
- If someone has resealed it before
- Access, such as stairs, a lift or height
We don’t publish a price list. Instead, your job gets its own clear quote. To get started, ring 0345 464 0079 or drop us an email.