Allenco Construction

Adelaide, SA

4.6 (58 Google ratings)
Structural crack repairWorks from engineer's report

Allenco Construction serves Unley, SA with remedial and underpinning services, including structural crack repair.

As a 2025 guide, typical underpinning runs about $4,000 to $15,000 and concrete cancer repair varies widely with access -- a guide, not a quote. See the cost guide for the detail.

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Use the provider's current licence, insurance and written scope as part of the hiring decision.

Common questions

What services is Allenco Construction listed for?

Allenco Construction's listing here covers Structural crack repair and Works from engineer's report. Treat that as a pointer for comparing specialists rather than a confirmed scope of work, and check directly what they can take on.

Is Allenco Construction licensed and insured?

This directory carries name, city and service focus only, not licensing or insurance verification. Ask Allenco Construction for their current licence and insurance details directly, and check them against your state's building regulator if you want independent confirmation.

Should I get a structural engineer's assessment before contacting Allenco Construction?

If the cracking looks structural rather than cosmetic (wide, growing, diagonal or paired with sticking doors and sloping floors), get an engineer's assessment before you contact any contractor, Allenco Construction included. It stops you paying for a fix you may not need and lets you compare quotes fairly.

How much should I expect a job like this to cost?

As a 2025 guide, residential underpinning commonly runs $4,000 to $15,000, with the full spread across jobs from about $3,000 to $25,000; concrete repair varies a lot with access. Treat any figure, including one from Allenco Construction, as a guide until you have a written, inspection-based quote. See our cost guide for the breakdown.

Source: Underpinning and concrete repair cost guide.

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