Extensions & Structural
Alterations

From structural steels and foundations to complete house extensions. Professional structural alteration services across Hertfordshire and surrounding areas.

Extensions &
Structural Steels

Flowcraft provides complete groundworks and structural alteration services for house extensions across Hertfordshire. Whether you need structural steels (RSJs) installed, load-bearing walls removed or full foundations dug for a new extension, we have the experience and equipment to deliver.

We handle everything from initial excavation and concrete footings through to structural steel installation, brickwork support and site reinstatement. As always, we leave your property in pristine condition with premium landscaping once the work is complete.

  • Single & double storey extensions
  • Structural steel installation (RSJs)
  • Load-bearing wall removal
  • Structural alterations & remodelling
  • Foundations & footings for extensions
  • Underpinning & structural support
  • Garage conversions
  • Complete groundworks for new builds
  • Premium reinstatement & landscaping
House extension and structural alteration works
How We Work

Simple Steps To Get
Your Project Started

Message Us
01
WhatsApp Us

Send us a WhatsApp message with a brief overview of what you need and, if possible, a few photos. This helps us understand the scope quickly and get back to you with the right advice.

02
We Get Back To You

We'll review your message and photos, then follow up by phone or email to discuss your project in more detail and arrange a convenient time for a site visit.

03
Site Visit & Quote

We visit your property to fully assess the requirements and provide a detailed, no-obligation quote. For complex jobs, we may visit twice to make sure every detail is covered.

04
Work Begins

Our experienced team carries out the work efficiently and to the highest standards, from septic tanks and drainage to civil engineering and groundworks.

05
Premium Finish

We don't just do the job and leave. We reinstate your site with quality landscaping, leaving it better than we found it. That'''s the Flowcraft difference.

Ready To Start
Your Project?

Drop us a WhatsApp with a quick description and some photos. We'll review everything and get back to you to arrange a site visit.

07908 899417

Call, WhatsApp or email anytime