Underpinning

Underpinning involves strengthening the existing foundations of a building to provide additional support. This is typically required when the original foundation is no longer strong enough to support the structure, often due to changes in soil conditions, nearby construction, or subsidence damage.

Signs You Need Underpinning

Cracks Near Foundations

Cracks visible at or near ground level on external walls, suggesting foundation movement.

Bulging or Leaning Walls

Walls that are no longer plumb, indicating the foundations have shifted.

Gaps Around Window Frames

Gaps opening between window frames and brickwork caused by foundation settlement.

Cracks in Floor Slabs

Internal floor slabs cracking as the foundation beneath them moves unevenly.

Why Act Early

Avoid Structural Failure

Weak foundations worsen over time. Early underpinning prevents partial or complete structural failure.

Simpler, Cheaper Repairs

The earlier you underpin, the less extensive the work needs to be — saving time and money.

Regulatory Compliance

Addressing foundation issues proactively ensures your property remains compliant with building regulations.

Key Benefits

Building regulations compliant

Can increase property value

Long-term foundation stability

Multiple underpinning methods available

Structural engineering expertise

Suitable for all property types

Pros & Cons

Advantages

Permanently strengthens and stabilises foundations
Multiple methods available for any situation
Suitable for all property types and ages
Can increase your property's value
Full building regulations compliance and certification
Designed by qualified structural engineers

Considerations

Traditional methods involve excavation and are disruptive
Work may take several weeks for larger properties
Access to foundations from outside the property is usually needed
Costs can be significant for deep or complex foundations

How It Works

1

Assessment

Thorough assessment of your foundations and soil conditions.

2

Design

Our engineers design the optimal underpinning solution for your property.

3

Installation

Expert installation using the chosen underpinning method.

4

Certification

Full documentation and certification of completed works.

Frequently Asked Questions

What types of underpinning do you offer?

We offer several methods including mass concrete underpinning, mini-piled underpinning, beam and base systems, and resin injection. The best method depends on your property's specific foundation type, soil conditions, and the extent of movement.

How much does underpinning cost?

It varies. Costs depend on the property size, depth of existing foundations, chosen method, and ground conditions. We provide free, no-obligation quotes after an initial survey so you know exactly what to expect.

Is underpinning disruptive to my home?

It can be, depending on the method. Traditional mass concrete underpinning involves excavation and can be disruptive. However, modern alternatives like resin injection are far less invasive and can often be completed in a day.

Do I need planning permission for underpinning?

No, generally not. However, building control approval may be required depending on the scope of work. We handle all necessary approvals and certification as part of our service.

Free Underpinning Quote

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