Granny Flat Builders Sydney

Custom Granny Flat Construction Planned for Your Property

A granny flat can give your property more usable space for family, guests or future rental income. Benson Building & Construction manages custom granny flat construction across Sydney, coordinating the build around the approved design, site access and the way you want the new dwelling to be used.

Every property brings different planning, service connection and construction requirements. Benson Building reviews the site and project documents before the build begins, then keeps the trades, selections and programme organised through to handover.

Custom Designs for Any Block

Fast, Stress-Free Approvals

Flexible Layouts & Specialised Options

Premium Finishes & Quality Materials

Why Choose Benson Building & Construction

Licensed Builders, Not Just Tradies

With a track record delivering $5 million to $10 million dollar builds, Benson Building brings structure, foresight and professional project management to every job, led personally by Anthony Violi.

A Team That Shares One Standard - Excellence

Every trade on site is handpicked for skill, mindset and attention to detail. Quality work starts with quality people.

Thoughtful Construction, Done Right the First Time

From laser-level precision to product research and installation, Benson Building & Construction builds smarter so the finished result lasts.

Custom Granny Flats Built Around How You Will Use the Space

The best layout depends on who will live there, how much privacy they need and how the new dwelling connects with the existing property. Benson Building reviews the approved design and construction scope with those practical needs in mind.

Granny Flats for Family Living

A secondary dwelling for parents, adult children or extended family should support comfortable day-to-day living. Access, bathroom layout, storage, natural light and separation from the main home all affect how well the space works.

Guest Accommodation and Flexible Space

A granny flat can also create private guest accommodation, a work area or a flexible space that changes with the household. The design and approved use determine what can be included, so Benson Building works from the project documentation rather than applying a fixed package to every block.

Granny Flats for Rental Use

For owners planning to rent the dwelling, durability, privacy, maintenance and practical storage matter alongside appearance. Benson Building coordinates the specified materials and finishes as part of the complete construction scope.

Detached and Attached Granny Flat Construction

The approved design may position the granny flat as a detached building or connect it to an existing structure. Access, fire separation, drainage, services and structural requirements will influence the construction approach. These details are reviewed with the plans before work starts.

What Is Included in Granny Flat Construction

The final inclusions depend on the approved plans and contract, but a complete granny flat build may include:

Any demolition, landscaping, driveways, retaining work, utility upgrades or consultant services are identified in the proposal as included, excluded or separately arranged.

Planning for Access, Services and Approvals

A granny flat adds a separate dwelling to an existing property, so the available yard is only one part of the assessment. The design must also account for access, setbacks, drainage, utility connections, private open space and the requirements attached to the chosen approval pathway.

Benson Building can review the construction documents and coordinate with the relevant designer, certifier or consultant where clarification is needed. Planning approval and design services are confirmed separately because the required pathway depends on the property and proposal.

How We Work

At Benson Building & Construction, we believe great results start with clear communication and thoughtful planning. From your initial consultation, we take the time to understand your vision, budget and expectations. Our team manages every stage, from design and approvals through to construction and handover, with a focus on quality, safety and delivering on time.

Experienced project management and skilled trades keep each stage organised and clearly communicated.

Consultation and site inspection

We meet with you to discuss your vision, inspect the site and understand your goals.

Design and planning

Our architects, draftsmen and managers work together to develop a detailed, tailored construction plan that aligns with your budget and timeline.

Construction and project management

We manage every aspect of your project, keeping you informed and ensuring work is completed to the highest standard.

Completion and handover

We deliver your project on time, on budget and with no loose ends, ready for you to move in, open your doors or hand back the keys.

Ready to Discuss Your Granny Flat?

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Recent Granny Flat Projects

Granny Flat — Ermington

Granny Flat — Marrickville

Custom Home + Granny Flat – Ermington

Granny Flat Builder FAQs

Benson Building can review your construction documents and coordinate construction questions with the relevant designer, certifier or consultant. Design and approval services depend on the property and are confirmed as part of the project scope.

The cost depends on the design, site access, ground conditions, service connections, structural requirements and selected finishes. Benson Building reviews the plans and property information before preparing a tailored proposal.

Timing depends on the approval status, documentation, site conditions, material selections and scope. Benson Building confirms the proposed construction programme after reviewing the project rather than promising a standard timeframe for every property.

A two-bedroom layout may be possible where the property and approved design support it. The designer or certifier can confirm the planning pathway and dimensional requirements before Benson Building prices the construction.

Benson Building undertakes suitable projects across Sydney, with a focus on Ryde, the Inner West, Parramatta, West Pennant Hills and the Hills District. Projects in the Eastern Suburbs and other Sydney areas are considered where the scope is a strong fit.

Parramatta and West Pennant Hills sit within the usual project area. Benson Building does not currently service Camden, Fairfield, Wetherill Park or the far west and south-west of Sydney. Confirm the property suburb when you enquire.

Plan Your Granny Flat with Benson Building

Send Benson Building your property suburb, plans and current approval stage. The team will review the information, confirm whether the project is a suitable fit and arrange the next discussion.