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  • Writer's pictureJake Hodson

A Homeowner's Guide to Lintel Repair and Replacement in the UK

Lintels play a crucial role in supporting the structure above doorways and windows in buildings. Over time, lintels can deteriorate due to various factors such as age, moisture, and structural movement, leading to issues such as cracking, sagging, or failure. Addressing lintel problems promptly is essential to maintain the structural integrity and safety of your home. In this comprehensive guide, we'll walk you through the process of repairing or replacing a lintel in the UK, covering everything from inspection and diagnosis to hiring professionals and ensuring compliance with building regulations.


  1. Identifying Signs of Lintel Damage:

  • Cracks above doors or windows

  • Sagging or unevenness in the brickwork

  • Doors or windows that are difficult to open or close

  • Visible signs of rust or corrosion on metal lintels

  • Crumbling or deteriorating masonry around the lintel

  1. Consulting with Structural Engineers or Building Surveyors:

  • If you suspect lintel damage, it's essential to seek professional advice from structural engineers or building surveyors.

  • They can conduct a thorough inspection of the property, assess the extent of the damage, and recommend appropriate repair or replacement solutions.

  1. Obtaining Necessary Permissions and Approvals:

  • Depending on the nature and scope of the repair or replacement work, you may need to obtain planning permission or building regulations approval from the local authority.

  • Check with your local council or building control department to ensure compliance with relevant regulations before proceeding with the project.

  1. Hiring Qualified Contractors:

  • Look for reputable building contractors or masonry specialists with experience in lintel repair and replacement.

  • Obtain multiple quotes from different contractors, considering factors such as expertise, reputation, and cost.

  1. Inspecting and Preparing the Site:

  • Before work commences, the site should be inspected and prepared accordingly.

  • Clear the area around the affected lintel, removing any obstructions and protecting nearby surfaces from damage.

  1. Repairing Lintels:

  • If the damage is minor and localized, lintel repair may be possible.

  • This can involve methods such as repointing mortar joints, reinforcing cracked lintels with steel plates or resin injections, or patching damaged masonry.

  1. Replacing Lintels:

  • In cases of severe damage or structural instability, lintel replacement may be necessary.

  • This typically involves removing the existing lintel, installing a new lintel of appropriate size and material, and rebricking or rendering the surrounding area as needed.

  1. Ensuring Structural Integrity and Safety:

  • Throughout the repair or replacement process, it's crucial to prioritize structural integrity and safety.

  • Contractors should follow industry best practices and use quality materials to ensure the longevity and stability of the repaired or replaced lintel.

  1. Finishing and Restoration:

  • Once the repair or replacement work is complete, any finishing touches such as repainting, re-rendering, or re-pointing should be carried out to restore the appearance of the affected area.

  1. Final Inspections and Compliance:

  • After the repair or replacement work is finished, arrange for a final inspection by building control officers to ensure compliance with relevant regulations.

  • Obtain completion certificates and approvals as necessary to confirm that the work meets the required standards.


Repairing or replacing a damaged lintel is a crucial aspect of maintaining the structural integrity and safety of your home. By following this guide and seeking professional advice and assistance as needed, homeowners in the UK can address lintel issues effectively and ensure the long-term stability and durability of their properties. Remember to prioritize safety, quality, and compliance with building regulations throughout the process to achieve successful outcomes.

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