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About Us

Design Service Extensions Unlimited provides a free extension design service. Our background ensures we provide a design solution that balances sound construction, good taste and a fair price. Your extension will be designed to enhance and compliment your home. Above all, we listen. It’s your home… tell us what you want to achieve. Working Drawings Extensions Unlimited provide working drawings produced by our registered practitioners. Quotations are also available for clients who supply their own working drawings. Permits & Engineering The Company will arrange for all building permits and liaise with all local government bodies as required. This service can include detailed soil reports, engineered working drawings (as required) and computations. All asset protection fees are paid as required by local government. Constraints HIC-4 Master Builder Home Improvement contracts are used. All projects have fixed price and a guaranteed start and completion date. All clients are protected by the required insurances and are issued with a warranty insurance certificate. Construction All trades have completed an occupational health and safety course (Red Card) and are trained under the company’s code of conduct policy. The works are periodically inspected by independent surveyors who will issue reports during the progress of the works and a final certificate upon completion. Electricians are A-Grade, certified and provide a certificate of electrical safety guaranteeing their work. Company project managers are qualified to carry out electrical lead tagging on all power tools on site. Plumbers are fully certified and licensed to carry out all sanitary, water, advanced gas, roofing, and storm-water/drainage works and provide a guarantee of works from the plumbing industry commission. Major scaffolding is erected by qualified riggers. Company tarpaulins are owned and maintained or hired as required.

Services Provided

Architectural Drawings, Building Design, Energy-Efficient Homes, Floor Plans, Granny Flat Design & Construction, Home Additions, Home Renovating, Home Restoration, Project Management, Site Planning, Site Preparation, Structural Engineering

Areas Served


Professional Information

License Number: 066600968

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Business Details

Business Name

Extensions Unlimited

Phone Number



Melbourne, Victoria 3180

Typical Job Cost

$270,000 - $400,000


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