Excavation and construction of strip, pad, or raft foundations for new buildings and extensions. Covers soil investigation, concrete specification, and building inspector sign-off.
Typical cost
£8,000 — £15,000
Typical duration
1-2 weeks
Certificate
Building Regulations approval required
Scope type
flexible
Typical tasks
Excavate foundation trenches to engineer's specification
Install any drainage or service crossings
Pour and level concrete to structural spec
Build foundation brickwork to DPC level
Backfill and compact around foundation
Extras & additional works
Based on a standard 50m² foundation for a residential extension. Costs may increase if ground conditions require additional excavation or reinforcement.
Common questions Stainesai
The cost can be influenced by ground conditions, access to the site, the complexity of drainage systems, and the size of the foundation.
Yes, foundation work must comply with UK Building Regulations to ensure structural integrity and safety.
Foundation work for a typical residential extension usually takes 1-2 weeks, including excavation and concrete curing time.
Foundation work includes excavating trenches, installing drainage, pouring concrete, and building brickwork to DPC level.
Yes, foundation work is a regulated trade requiring professional expertise to meet structural and safety standards. Always confirm with your tradesperson before work begins.
Ready to post a foundations job?
Describe what you need. Stainesai structures it into a proper scope. Your first job post is free.