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

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

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.
Call, WhatsApp or email anytime