Residential building design project St Albans, Melbourne western suburbs

Registered building designer for St Albans and surrounds

Extensions, granny flats, dual occupancy, and new homes. RD Building Design manages design and permits across Brimbank.

RD Building Design is a registered building design practice covering St Albans and Melbourne's wider western suburbs. We manage residential projects from the first conversation through to approved building permit drawings.

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Who is RD Building Design?

Rhys Davies Building Designer (DP-AD 43008) Adv.Dip. Building Design (Arch.), Registered Building Practitioner (Arch.) RD Building Design

A registered building design practice based in Melbourne's western suburbs, working across Brimbank and neighbouring councils.

We specialise in residential projects: extensions, granny flats, dual occupancy, knockdown rebuilds, and new homes. One designer leads your project from start to finish.

Straightforward communication, realistic timelines, and permit documentation that is right the first time.

Curious about the difference between a building designer and an architect?

Dual occupancy potential in St Albans

For St Albans properties on lots with adequate size and frontage, dual occupancy can be a genuine option.

The permit pathway is more complex than a standard extension, but the result is two separately titled dwellings on a single block.

RD Building Design assesses dual occupancy feasibility as part of every initial consultation. We confirm whether the numbers work before any design commitment.

Design with a return in mind

In St Albans, many building projects are driven by investment logic: rental yield, subdivision value, or positioning for resale.

RD Building Design works with this brief regularly. Dual occupancy projects are designed for maximum yield per dwelling. Granny flat designs deliver a self-contained rental dwelling from the outset.

Our permit documentation is clear and complete, which helps builders price accurately and reduces construction contingencies.

Secondary dwellings for St Albans properties

The 2023 Victorian planning changes mean most St Albans properties zoned NRZ or GRZ can add a secondary dwelling up to 60sqm without a planning permit, provided ResCode requirements for setbacks, coverage, and open space are met.

RD Building Design manages granny flat design and permit documentation. Our Boxed Buildings range uses SIP panel construction for faster assembly. We manage design and documentation; your builder manages the build.

The main question for any St Albans block is site coverage. We confirm what fits before you commit.

What you can build in St Albans

Planning controls and development potential under the Brimbank Planning Scheme

Council

Brimbank

Planning scheme

Brimbank Planning Scheme

Predominant zones

GRZ General residential zone

Allows moderate housing growth. Dual occupancy viable on lots of 300sqm+ per resulting title. Medium density development permitted with a planning permit.

RGZ Residential growth zone

Encourages higher density development. Apartments and multi-unit developments permitted. Fewer restrictions on building height and dwelling numbers.

Planning overlays

No heritage, flood, or design overlays apply broadly to this suburb. Individual properties should still be checked for site-specific overlays.

Typical lot size

Medium to large (typically 500-800sqm+)

More design flexibility. Site coverage is rarely the binding constraint, allowing larger secondary dwellings and more generous setbacks.

Granny flat viability

Permitted up to 60sqm without a planning permit under Victoria's 2023 provisions. Most blocks have sufficient site coverage capacity for a well-sized secondary dwelling.

Dual occupancy

Viable on many lots

GRZ or RGZ zoning on a significant proportion of properties. Lots meeting the minimum 300sqm-per-title threshold are common. Planning permit required.

Location

17km from Melbourne CBD. Nearest station: St Albans.

This summary reflects general planning conditions for St Albans as of 2025. Individual properties may have additional overlays or conditions. A property assessment confirms exactly what applies to your block.

Building design services in St Albans

Whatever your project RD Building design can help.

New home design

Custom home design from initial brief through to permit-ready documents

Knockdown rebuild designs

A completely new design on your existing block, built around the life you want

Residential extensions and renovations

Additions that connect and blend with your existing home

Townhouses / Multi-Unit design

Multiple dwellings on one site, with all planning and documentation managed

From first conversation to approved plans

RD Building Design manages the full process.

Consultation. We discuss the project, review your St Albans property, and outline what is possible. No charge.
Feasibility. Goals tested against site conditions and planning controls. Done before design starts.
Concept. Floor plans and external design showing how the project works on your block. You guide the revisions.
Planning permit (where needed). Full application prepared and managed through Brimbank assessment.
Permit drawings. Working drawings for building permit and builder quoting.
Completion. A full set of approved drawings, ready for construction.

RD Building Design serves homeowners across Melbourne's western suburbs and beyond.

Building design questions for St Albans homeowners

Will I need a planning permit to extend in St Albans?

That depends on the scope of the work and any overlays on your property. Many standard extensions go straight to building permit. Heritage or design overlay areas typically need planning approval first. We check this at your initial consultation.

What is the typical permit timeline in St Albans?

Building permits are usually assessed in around 10-20 business days. If a planning permit is needed, Brimbank generally takes about 10-60 days. RD Building Design provides realistic timelines at the outset of every project.

Is a granny flat possible on my St Albans block?

Under Victoria's 2023 reforms, a secondary dwelling up to 60sqm can be built on most NRZ and GRZ lots without a planning permit, provided site coverage, setback, and open space requirements are met. We assess this as part of an initial consultation.

Can I subdivide my St Albans property for dual occupancy?

Dual occupancy requires adequate lot size, and sufficient frontage. RD Building Design assesses feasibility at the initial consultation stage.

How can I find out what is buildable on my St Albans property?

A property assessment from RD Building Design reviews your block against the Brimbank Planning Scheme and provides a written summary of development potential, including extension capacity, granny flat viability, and dual occupancy options.

Ready to talk about your St Albans project?

Book a free consultation and we will review your property, discuss your goals, and give you an honest picture of what is possible.

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