EXTENSION AUDIT
GARAGE CONVERSION AUDIT
STRUCTURAL LOFT CONVERSION AUDIT
PRE-PURCHASE FEASABILITY CONSULTATION
TEMPORARY WORKS
STEEL WORK CONNECTIONS
SITE VISIT
INTERIOR MINOR ALTERATIONS
CDM & ASSOCIATED REPORTS
HEALTH & SAFETY REPORTS
3D MODELLING (from)
PROJECT MANAGEMENT
SOIL INVESTIGATION REPORTS
AIR PRESSURE TESTING
SOUND TESTING
BUILDING CONTROL APPLICATIONS
AIR TIGHTNESS TESTING
SOUND INSULATION TESTING
PART F VENTILATION TESTING
RENEWABLE ENERGY ADVICE & INSTALL
ENERGY STATEMENTS
THERMOGRAPHIC SURVEYS & TESTING
CODE FOR SUSTAINABLE HOMES
PART G WATER CALCS
DOMESTIC EPC’S FOR LANDLORDS & HOMEOWNERS
We design and build on helical screw pile foundations, with every pile designed by our sister company, Sussex Structural Engineers. No trench digging, no waiting for concrete, and one point of contact from drawings to Building Control sign-off.
Helical screw piles are steel shafts with spiral plates, wound into the ground to a set torque. They carry your extension on firm ground, skipping the deep trench and the concrete wait.
Piles reach past shrinkable clay and root zones that make trench foundations deep and costly.
A compact rig fits through side passages and back gardens where a digger can't.
Piles take load as soon as they're in, so the frame can follow straight on.
Little excavation means fewer skips, less mud and a garden that recovers quickly.
Torque is recorded as each pile goes in, giving Building Control proof of capacity.
Our timber frame panels sit on a light ground beam over the piles, which suits a fast, dry build.
Design, structural engineering and construction are coordinated by one team, making the process simpler from the first site visit onwards.
We look at the ground, trees and access, and agree what you want to build.
STAAC draws the extension and SSE designs the pile layout and ground beam.
Piles are wound in with a compact rig and torque is logged for each one.
The timber frame follows straight on, with no concrete curing time.
Torque records and calculations go to Building Control for sign-off.
From our base on Denton Island, Newhaven, we cover Sussex, Surrey and South London.
Tell us about your project and we'll help establish whether screw piles could give you a faster, cleaner foundation for your extension.





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STAAC Design Limited t/a STAAC. Company No - 10638628
Registered Office: 62 Cavendish Place, Eastbourne, BN21 3RL, UK
Registered With Companies House Cardiff

