Home Extensions

Need some extra living space at your home? An Altec home extension is the ideal way to take advantage of the unused space in your backyard to add an extra room to your home. Our design consultants are experts at creating stylish new rooms that suit your family’s needs while blending with the original structure.

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Your Design, Your Way

Altec has been building home extensions in Brisbane, the Sunshine Coast and the Gold Coast for over 40 years. Our expert team can help you create a custom design that adds value to your property and takes advantage of unused space in your backyard. Whether you want to install an extension that stands out from the crowd or your block has tricky dimensions, no project is too complicated for Altec.

We can build decks, patio, pergolas, carports and boat shelters of all shapes and sizes. Prior to building your patio, our professionally trained designers will walk you through the process of getting council approval and choosing suitable materials for your home extension.

Altec works with a range of colours and hardwearing materials to ensure your extension can withstand Southeast Queensland’s climate. Come rain, hail or shine, your new home extension will be a beautiful space for relaxing and entertaining. We can also include an assortment of smart features in your home extension, including:

  • Insulated and maintenance-free internal ceilings
  • Insulated composite roofing
  • A large range of guttering colours to coordinate with your home
  • Insulated wall panels in a variety of finishes - including Colorbond steel, ply and gyprock - for both inside and outside walls
  • Quality powder-coated aluminium windows in a range of colours
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We Take Care of You from Start to Finish


Building a stylish, affordable and energy-efficient home extension is easy with Altec. Don’t run the risk of installing an inferior design by trying to build it yourself – collaborating with Altec means you’ll have the freedom to customise your extension while our highly trained designers and builders take care of all the technical details.

Our friendly team will make every aspect of the design and engineering process a breeze. From meeting energy efficiency ratings and maintaining boundary clearances to maximising head height and choosing the right materials, we’ve got all your bases covered.

To book a free, no-obligation design consultation with an Altec expert, call us today on 1800 503 682.

Book Your Free Consultation Today

Altec Finance Offers

Apply online today! It's really quick and simple.

Altec can help with two fantastic finance offers:

Offer 1:

That’s right: NO INTEREST EVER.

That’s not all, though. With Certegy Ezi-Pay, paying a small deposit on the day to make your purchase and a convenient direct debit payment plan, finance can not get any easier.

Easy application process

Fast approval times

Set and forget payment plan

It really doesn’t get any easier than that!

Contact us Today!

Offer 2:

Buy now Interest Free*

The power to borrow up to 24K

Easy online application with an instant response

24/7 online access to your account

Fees, charges, terms, conditions, lending criteria apply.

Click to view the fact sheet here

Find out More

Naturally, some terms and conditions apply.
Just call 1800 503 682 today, and find out all about these exclusive offers, available to Altec clients only.

*Continuing credit provided by Certegy Ezi-Pay Pty Ltd. Fees (including Establishment Fee, Monthly Account Keeping fees and Payment Processing fees) charges, terms, conditions and lending criteria apply. Ask in-store for details or visit certegyezipay.com.au

**Not available with any other offer; terms, conditions, fees and charges apply; contact us for full details.

***Skye Mastercard Interest Free* offer may vary and is not available with Altec’s no interest ever offer; ask us about our current offer.

*Approved applicants only. Fees, terms, conditions & minimum finance amount apply, incl $99 Annual Fee charged on the account open date and annually on the anniversary of that date. Annual Fee must be paid in full within 90 days or it will attract interest. 90 days Interest Free and no repayments available on all Skye Mastercard purchases (excluding cash withdrawals). Standard Card Purchase Rate applies to any outstanding balance after the 90 day Interest Free and no repayment period. Minimum monthly repayment required. Interest, (charged at the Expired Promotional Rate) payable on outstanding balances after any Interest Free Period. See skyecard.com.au for current interest rates. Only available at Skye retail partners. Credit provided by FlexiCards Australia Pty Ltd ABN 31 099 651 877 Australian Credit Licence number 247415. FlexiCards Australia is a subsidiary of FlexiGroup Limited.

Product Guarantee

Altec offers up to 15 year product guarantee on all patio installations.

Workmanship Guarantee

Altec offers a 10 year workmanship guarantee on all patio installations.