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.

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

Underpinning — Pros and Cons

Pros

  • Provides a permanent, engineered solution for weak foundations
  • Multiple methods available to suit different ground conditions
  • Can increase property value with certified documentation
  • Suitable for all property types including listed buildings
  • Compliant with building regulations

Cons

  • Traditional methods involve excavation and can be disruptive
  • Mass concrete underpinning can take several weeks
  • Costs can be significant for deep or complex foundations
  • May require temporary propping during installation

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 approach depends on your property's specific ground conditions and structural requirements.

How much does underpinning cost?

It varies depending on the property size, depth of foundations, and method used. We provide free, no-obligation quotes after an initial assessment so you have a clear picture of costs before any work begins.

Is underpinning disruptive?

It can be, depending on the method. Traditional mass concrete underpinning involves excavation and is more 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, planning permission is not usually required. However, building control approval may be needed depending on the scope of work. We handle all necessary approvals as part of our service.

Free Underpinning Quote

No obligation — across Merseyside

Need Underpinning?

Get a free, no-obligation quote from our specialist ground engineering team.

Request Free Quote