lintel repairs Archives

November 22, 2023 By admin 0 Comments

Helifix Lintel Repair

At London Structural Repairs we often carry out Helifix Lintel Repairs to a high standard for domestic households and also to some commercial buildings.

Lintels often fail because they have lost their structural integrity. Common causes of this are often because of the following reasons.

The property has had the timber sash windows removed and replaced with PVC windows without insufficient propping.
The lime mortar in-between the brick joints has lost its strength through age and then the bricks loose there friction holding them in place and causing them to sag and drop.
We come across a lot of lintels in London that are in need of Helifix Lintel Repair because of bomb damage from world war 2.

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We have been using the Helifix lintel repair system for a number of years now and it has never let us down to date. It provides us with the ability to reinforce the lintels and also the brickwork above from cracking any more. If the works are carried out correctly the works leave the building looking neat and tidy.

This is one of my recent projects in Chelsea London. The client had just purchased the property and the lintel fault was flagged in there home buyers survey before purchase, she then had a structural engineer specify the Helifix Lintel Repair and recommend LSR to carry out the repairs.

This is a standard repair for London Structural Repairs on period properties in and around London.

We are a a small local family run business here to serve London and the surrounding areas.

If you notice any cracks in or above your lintels and would like LSR to carry out Helifix Lintel Repair then feel free to get in touch for a free quote.

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July 11, 2017 By admin 0 Comments

Remedial Repairs South London

One of our recent projects on a victorian house to carry out remedial repairs South London

London Structural repairs carried out a variety of remedial repairs South London for a private property developer.

The property was a period property that was suffering from bowing walls on the side elevations of the house and there was also cracks in the property that needed remedial crack stitching works carried out.

We were asked to strip the house bare internally for the client before carrying out the remedial Repairs, removing all plaster from the walls and ceilings.

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LSR provided a full Structural survey and designed the remedial solutions for the properties defects.

Lateral Restraint ties were installed to the bowing side elevation walls, connecting to the floor joists to stop any further outward movement of the wall.

Bowing walls outward movement in most cases is due to insufficient lateral restraint, tying the wall to the ceiling and floor joists. Without these lateral restraint ties the building is vulnerable and with the continued outward movement the building is at risk of collapsing.

Carrying out essential structural repairs will protect your investment

Helifix bars were installed to all external and internal walls where cracks were present this is known as crack stitching.

Cracks In buildings can develop for a number of different reasons. It is important to diagnose the root cause of the cracking in order to be able to recommend the correct crack repair method. Most cracks can be diagnosed by the crack pattern and the position on the crack on the wall or building. Remedial repairs South London is an area we carry out works in quite frequently.

London Structural Repairs specialise in investigating, diagnosing, repairing and the monitoring of cracks or any remedial Repairs South London or any parts of London.

London Structural Repairs are specialists in these type’s of works and these works are not usually carried out by general builders.

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If you own a property and it is in need of remedial repairs south London or any other part of London then feel free to contact London Structural Repairs on

020 8936 7699 for a free consultation.

December 12, 2016 By admin 0 Comments

Concrete Window Sill Repairs

London’s concrete window sill repair specialists could save you money and disruption

London Structural Repairs carried out repairs to concrete window sills at two private residential property blocks in Brentwood, Essex.

The property’s concrete window sills were suffering from concrete spalling due to deteriorating steel rods embedded in the sills, causing cracks and sections of the window sills to fail.
Our cost effective, sympathetic repairs caused no disruption to the residents at the property. The failed concrete window sills had new reinforcing rods installed and were repaired using specialist mortars, and then given two coats of anti-carbonation coatings. This ensures a long-lasting repair without the need to remove the windows and install new concrete window sill’s, therefore avoiding disruption and expensive costs for the residents.

Why should concrete window sill repairs be on your maintenance list?

Concrete window sill repairs may not seem like a high priority for your home’s maintenance, but they play a vital role in protecting your home from weather elements. They can often be the first weak point allowing rain or damp into your property. A cracked, poorly maintained, or uneven window sill can let rainwater drain into your home, this then leads to stained wallpaper, mould, or damaged plaster. These issues can result in ongoing problems and costly repairs.

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The importance of specialist contractors for window sill repairs

Your window sills may seem like decorative features, but they serve a simple yet essential engineering purpose by allowing water to run freely away from your property – much like guttering for your windows. The outward slope of the sill allows rain to run, therefore keeping your windows and walls dry.
In most cases, stone or concrete window sills can be repaired by a specialist and saved. However, if the damage is beyond repair, replacing the sill may be the only option. This would require removing the entire window frame and running the risk of damaging the brickwork. To avoid these complications, ensure you hire an experienced specialist contractor.

How to ensure a long-lasting window sill repair

Whether you are repairing or replacing your window sill, it’s crucial to ensure that the finished results are durable and effective in keeping water away from your window frames and walls. After repairs, check that the window sills are angled correctly so water runs away from the property. You can water test this by pouring a small amount of water and observing its flow.

Understanding the importance of the drip groove

A well-designed window sill should also have a drip groove on its underside. This groove prevents water from running directly onto your brickwork, thus potentially causing penetrating damp or frost damage. The drip is a groove that runs the full the length of the sill, it is usually the width and depth of a pencil, or your little finger. Over time, the drips can get clogged with dirt or painted over, which then renders them ineffective. Regular maintenance stops this from happening, and protects your property from penetrating damp or damaged brickwork.

Explore our wide range of services that we have to offer, no job is too big or small.

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If you notice any cracks or damage to your window sills then give us a call on

020 8936 7699 we can design the best remedial solution for your concrete window sill repairs.

April 6, 2016 By admin 0 Comments

Concrete Restoration Specialists

Concrete Restoration Specialists based in London

Concrete is a tough and flexible building material widely used in construction because it is strong & long-lasting. However concrete surfaces can deteriorate over time due to factors like weather, heavy traffic & structural stress. This deterioration can weaken the concrete leading to safety risks and looking unsightly. Therefore restoring concrete is crucial to preserve the structural integrity and appearance of concrete surfaces.

By fixing issues such as cracks, flaking and surface wear restoration experts can extend the lifespan of concrete structures and avoid costly replacements. Concrete restoration enhances the visual appeal of buildings and infrastructure while also ensuring their safety and functionality.

Whether it is a commercial property, residential building or public infrastructure maintaining the structural integrity of concrete surfaces is vital for long-term sustainability. Understanding the importance of concrete restoration is key to preserving the value & longevity of concrete structures making it an essential aspect of property maintenance and infrastructure management.

Concrete Preparation Is Key

Surface preparation usually involves cleaning the concrete surface to remove dirt, rubbish and pollutants that may hinder the restoration materials. Crack repair is a vital part of concrete restoration as it prevents further moisture entry & structural decline. Various methods such as epoxy injection, routing and sealing or pressure grouting may be used to effectively repair cracks and restore the concrete’s integrity.

Structural reinforcement may be needed for tackling underlying issues like corrosion of reinforcement bars or structural instability. Once the required repairs are done, applying protective coatings or sealants can enhance the restored concrete surface’s durability and looks. These coatings provide resistance against moisture, chemicals, UV exposure and abrasion thereby prolonging the concrete’s lifespan and reducing maintenance needs.

Professional Repairs Will Save You Money In Long Run

Restoring and repairing concrete surfaces requires expertise, precision & following industry best practices to ensure lasting results. After concrete restoration proactive maintenance is key to preventing future damage and preserving the restored surfaces’ longevity. Regular cleaning with mild detergents and gentle scrubbing can help remove surface pollutants and maintain the concrete’s appearance. Applying sealants or protective coatings regularly can also provide ongoing protection against environmental factors and wear.

Property owners should address drainage issues to stop water accumulating around concrete surfaces as prolonged moisture exposure can speed up deterioration. Inspecting the concrete periodically for new damage or wear signs is crucial for identifying issues early & addressing them promptly. Following these maintenance tips, property owners can maximise their restored concrete surfaces’ lifespan and minimise extensive repair needs in future.

Before restoration, concrete surfaces may show visible cracks discolouration, surface spalling or an overall worn look. These issues detract from aesthetic appeal but also indicate underlying structural concerns needing attention. After restoration, the concrete surfaces are revived with repaired cracks uniform texture, enhanced colour vibrancy and improved resistance to environmental factors.

The restored surfaces look visually appealing and regain structural integrity & functionality. For parking garages industrial floors or decorative concrete features, the before-and-after impact of professional restoration highlights investing in expert services to revive deteriorated concrete surfaces.

Let The Professionals Handle Your Concrete repairs

Hiring a professional concrete restoration specialist offers many benefits for property owners seeking to revitalise their concrete surfaces. Professionals have the expertise, equipment & materials to effectively address various concrete damage types. Their knowledge of industry best practices ensures restoration projects are completed to high standards, delivering lasting results. Specialists can also customise solutions based on each project’s specific needs whether repairing structural damage, refinishing decorative concrete or applying protective coatings for enhanced durability. Entrusting the restoration process to qualified specialists saves time and resources while ensuring concrete surfaces are restored with precision and care.

What makes us your go-to concrete repair specialists professionals is our connection with local authorities, property managers, and housing associations. We have successfully completed a vast range of projects for concrete repairs. If you need some tips for protecting and maintaining your concrete structures, get in touch with us for expert advice.

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If you manage, maintain or repair concrete structures and require methods of investigating, testing and repairing cracks in concrete be sure to contact London Structural Repairs for a free consultation.

January 2, 2016 By admin 0 Comments

Cracks in Walls

If your property has cracks in Walls then its time to get them fixed

London Structural Repairs are specialists in dealing with cracks in walls to period and modern properties in London and surrounding areas.

Cracks In walls can develop for a number of different reasons. It is important to diagnose the root cause of the cracking in order to be able to recommend the correct crack repair method. Most cracks in walls can be diagnosed by the crack pattern and the position on the crack on the wall or building.

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We specialise in investigating, diagnosing, repairing and the monitoring of cracks in walls.

London Structural Repairs can offer you an in depth survey to find out the root cause of the cracks in walls to your property, then we can provide you with the most economical modern repair methods, with the least disturbance to all involved.

Structural defects can devalue your property and even stop the sale of your property

We recently carried out Helifix bar installation to a period property in High Wycombe. The property was suffering from lintel failure, which was the cause of the cracks. London Structural Repairs trained operatives installed deep masonry, helical beams and crack stitch bars to restore the structural integrity to the property, the pointing was colour matched to the existing masonry.

Attention to detail will make all the difference

Expensive specialist tools are used to carry out the repairs and it is important for the works to be carried out neatly and professionally with a high standard of finish because the last thing you want is an unsightly repair drawing your eye to the repair area.

London Structural Repairs operatives are highly skilled and trained in dealing with all types of modern day repair systems for cracks in walls repairs.

This may mean installing masonry reinforcement (Helical Bars), underpinning or rebuilding.

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If your investment is suffering from cracks in walls then we will be glad to hear from you to provide you with a free quotation on 020 8936 7699

July 4, 2015 By admin 0 Comments

Lintel Failure

Is your Property suffering from this common problem of Lintel Failure

London structural repairs are specialists in the repair and reinforcement of failed lintels which have caused structural defects such as cracking and downward movement. We use various repair techniques to suit each individual situation of Lintel Failure.

LSR carried out lintel failure repairs to a property in London, the properties lintel had failed and we installed masonry reinforcement as well as pinning up the lintel with our modern repair methods.

Cracked or sagging lintels will make your property look unsightly

Lintel Reinforcement is necessary when Lintel Failure has occurred, in many instances the only method of repair was costly and disruptive remove and rebuild techniques but with London structural repairs modern repair method’s this can be avoided with our sympathetic non disruptive repair technique.

By combining a range of Bed Joint Reinforcement techniques combined with Pinning Ties and grout injection LSR can introduce concealed reinforcement within the Bed Joints this will carry the new imposed loads alleviating the stress from the lintel failure , combined with pinning ties which reconnect the sagging lintel and high strength grout injection we can reinforce the masonry whilst retaining the original aesthetics.

Why not take a look at our services page for other repairs we carry out

London structural repairs have carried out a vast amount of Lintel failure Reinforcement works to both the domestic and commercial sectors.

In domestic applications where the home owner would like to retain the original aesthetics to their period property our installation method will include the complete Lintel Repair including the repair of all cracks with the mortar, replacement matching bricks restoring the structural integrity of the failed masonry whilst providing an almost hidden repair.

In commercial applications LSR can save a vast amount of time and money by carrying out Lintel failure Reinforcement without the need for disruptive and time consuming remove and re-build methods. Often when window replacement schemes are being carried out Lintel Failure is common cause of concern and disruption to schedules and planned works.

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In instances of Lintel Failure be sure to contact London structural repairs for your free no obligation specification and quotation to restore the structural integrity of your failed lintels today 020 8936 7699

May 21, 2015 By admin 0 Comments

Cracks Above Windows and Doors

Has your property got Cracks Above Windows and Doors ?

This is one of our recent projects in south London. The property was a period property suffering from cracks above windows and doors. LSR had to work on the masonry above a set of patio doors and two windows. London Structural Repairs installed masonry reinforcement beams and pinning ties to stabilise the brick arch lintels and then made good the pointing and cracks to a near invisible repair but with a bit of weathering will become a perfect repair as seen from the photos below. This type of repair method is quick, cost effective and non disruptive to the residents of the property.

Cracks above windows and doors are usually caused by failed lintels. This a common fault on Victorian and Edwardian properties as the brick lintels known as boot lintels do not span across the opening into the main wall of the house as modern lintels do taking the load of the brick work above it.

Lintels are usually made up of bricks, concrete or steel and also it is not uncommon for us to come across timber lintels. When the lintels fail you get cracks above openings and this is usually because of window replacement, eroded mortar joints or if in London we come across it to be bomb damage from world war two frequently.

Have your Cracks Above Windows and Doors looked at by our experts

Brick arch lintels were designed to sit on top of well made timber windows or doors on period properties. Routine maintenance to the doors or windows is important to maintain the structural integrity of the wood. A lot of home owners have the timber windows removed and replaced with modern type UPVC windows. It is important during the window exchange to try not to disturb the above brick arch lintel or you run the risk of cracks above windows and doors.

London Structural Repairs LTD are specialist masonry repair experts and are here to solve any issues you may be facing with your your property no matter how big or small.

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