Skip to main content
Sub-Tech Contracts

40+ Years Of Experience

Sub-Tech Contracts

Award-Winning Services

Sub-Tech Contracts

24-Hour Call-Out Available

Sub-Tech Contracts
Underpinning

Delivered By Your Leading Civil Engineering Contractors in London

When a building’s stability is compromised, the foundations matter more than anything else. Underpinning is a solution designed to strengthen and stabilise existing foundations, protecting the structure and its value. At Sub-Tech Contracts, we deliver professional underpinning services that are carefully engineered, expertly managed and built to last. Contact us today.

What is Underpinning?

Underpinning is the process of strengthening and stabilising the foundations of an existing building or structure. This is achieved by extending the depth or breadth of the foundations so that they rest on more stable ground, or by redistributing the load across a wider area. The aim is to prevent movement, settlement or structural damage while improving the overall integrity of the building.

Sub-Tech Contracts
Sub-Tech Contracts

Our Underpinning Services

At Sub-Tech Contracts, we provide comprehensive underpinning services delivered by highly qualified engineers and construction specialists. Every project begins with a detailed assessment of ground conditions, structural loads and site constraints, ensuring the most appropriate underpinning method is selected.

Our underpinning services include traditional mass concrete underpinning, reinforced underpinning solutions and bespoke engineered systems for complex or restricted sites. With extensive knowledge, we can design and deliver underpinning works with precision and confidence.

Whether supporting an existing structure, enabling a new extension or resolving subsidence issues, our team works safely, efficiently and in full compliance with UK regulations. We prioritise minimal disruption to surrounding properties while maintaining the highest standards of workmanship and site management. Contact us today for more information about our services.

Health & Safety Is Our Priority

 Health and safety are our number one priority in every project we undertake. We are proud of our zero-incident record, which reflects the rigorous standards we uphold on every project. When you choose Sub-Tech Contracts, you can be confident that your site clearance or waste removal will be carried out responsibly, legally and with the utmost care for the safety of all involved.

Your Underpinning Works in 3 Simple Steps

Step 01

Contact Us

Contact us today to discuss your underpinning requirements. We’re here for general enquiries as well as urgent 24-hour call-outs when you need us the most.

Step 02

Your Requirements

Share the details of your project, including scope, site location and schedule. Our expert team will provide you with clear guidance and a competitive quote.

Step 03

Expert Solutions

Our highly skilled engineers and construction specialists carry out the works with precision, ensuring compliance, safety and timely completion.

Sub-Tech Contracts

The Importance of Professional Underpinning Services

  • Structural Stability
    Proper underpinning prevents further movement, cracking or settlement. This ensures the building remains structurally sound and safe for occupants both now and in the future.
  • Long-Term Protection
    Strengthened foundations safeguard the building for decades to come. By addressing underlying ground or load issues, underpinning provides lasting reassurance.
  • Regulatory Compliance
    Professional services ensure works meet building regulations and local authority requirements, essential for approvals, certifications and avoiding costly delays.
  • Risk Reduction
    Expert design and installation minimise the risk of future structural issues. A professionally managed approach also reduces the likelihood of damage to properties and more.
  • Property Value Preservation
    Stable foundations protect and often enhance property value. Buyers, investors and lenders all place greater confidence in buildings with proven structural integrity.

Underpinning FAQs

How do I know if my building needs underpinning?

Signs include cracks in walls, uneven floors or visible settlement. A professional assessment is essential.

Is underpinning disruptive?

When managed correctly, disruption is minimised. We plan works carefully to reduce the impact on occupants and neighbours.

Do I need planning permission?

Underpinning often requires building control approval. We can advise on local authority requirements.

Can underpinning support extensions or basements?

Yes, underpinning is commonly used to enable new basements or ground-floor extensions.

Will underpinning stop subsidence?

When correctly designed and installed, underpinning stabilises foundations and prevents further movement.

Is underpinning safe for neighbouring properties?

Yes, professional underpinning is designed to protect adjacent structures.

What types of underpinning do you offer?

We provide traditional and engineered underpinning solutions tailored to each site.

How long does the process take?

The length of time the process takes will vary depending on the scope of work and local authority approvals, but we work to minimise delays.

Can you handle small projects?

Yes, we manage projects of all sizes – from small residential access points to large commercial road networks.

Do you cover residential as well as commercial projects?

Absolutely. We work with homeowners, local authorities, commercial contractors and more.

What areas do you cover?

We provide underpinning services across London and the surrounding areas.

Why work with us?

Sub-Tech Contracts

40+ Years of Expertise

With over 40 years of civil engineering expertise, we understand the demands of both small and large projects.

Sub-Tech Contracts

Award-Winning Services

Recognised for excellence with a National Site Award, we continually strive to set higher standards within our sector.

Sub-Tech Contracts

Fully Certified

Every team member is trained, accredited and committed to maintaining our zero-incident health and safety record.

If you need fast, reliable, and professional underpinning services in London, look no further than Sub-Tech Contracts. With our highly experienced team, commitment to safety and flexible solutions, we make your project simple, cost-effective and stress-free. Contact us today!

Contact Us

Phone:

0208 591 0560

Address:

17-19 Thames Road
Barking
London
IG11 OHN

Get in touch

    Sub-Tech Contracts Ltd
    Privacy Overview

    This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.