AllenCo Construction's Services
Foundation repair, remedial building and custom construction across Adelaide and South Australia.
25 +
years building across SA
10 +
years guarantee on all our work
2023
MBA National Excellence Award
AllenCo Construction
A Family-Owned Adelaide Builder Since 1998
AllenCo Construction provides foundation repair, remedial building and custom construction services across Adelaide and South Australia.
From underpinning and structural crack repair through to whole-home renovations and second-storey extensions, every service we offer is delivered by the same licensed family-run team. As a South Australian building company operating since 1998, our reputation is on the line for every job we take on.
Our Services
Underpinning
Reinforced concrete bored piers and structural foundation repair for homes affected by reactive clay soil and foundation movement.
Remedial Building
Crack stitching, mortar repointing, masonry reinforcement and rendering for homes with structural damage left behind by foundation movement.
Wall Crack Repair
Structural crack repair, cracked brick wall repair and leaning brick wall repair for homes across South Australia.
Home Renovations
Custom home renovations, from whole-home transformations through to kitchen and bathroom renovations and home additions.
House Extensions
Single-storey and second-storey extensions designed around your home and built to match the original house.
Commercial Underpinning
Foundation repair and structural underpinning for commercial properties, with full SWMS documentation and $10M public liability cover.
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Why Choose AllenCo in Adelaide?
Why Choose AllenCo Construction
Award-Winning Builder
Winner of the 2023 Master Builders Australia National Business Excellence Award for small residential builders.
Licensed Builder, Fully Insured
All building work carried out under our builder's licence with $10M public liability cover.
25+ Years Building Across SA
A South Australian family business operating since 1998. The people who quote your job are the people who do the work.
10-Year Guarantee
We come to you, inspect properly, and give you a real quote based on what we actually see.
Let Us Restore It
Get Your Project Started
Whether you need foundation repair, a custom renovation or a commercial structural repair, we’ll come out, walk through the job with you, and give you a clear quote.
Get Your Free Quote!