rhys@rdbd.com.auEmail | Call 0414 135 014 | Altona Victoria
Residential building design project South Kingsville, Melbourne western suburbs

Registered building designer covering South Kingsville

From initial brief through to approved permits. Extensions, dual occupancy, and rebuilds in South Kingsville.

At 9km from the CBD, South Kingsville is well inside Melbourne's established inner west. Property values here reward good design, and the planning framework gives room to work with if you know where to look.

RD Building Design is a registered practice working under the Hobsons Bay Planning Scheme. We manage design and permit documentation for residential projects across the Hobsons Bay area.

Two dwellings on one South Kingsville block

About RD Building Design

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

RD Building Design is a registered building design practice specialising in residential projects across Melbourne's western suburbs. Our work covers Hobsons Bay and the surrounding councils.

Every project is led by an experienced building designer from first conversation to permit approval.

For South Kingsville homeowners: straightforward advice, honest timelines, and permit drawings done properly the first time.

Want to understand the difference between working with a building designer and an architect?

Two dwellings on one South Kingsville block

Where zoning and lot size allow, dual occupancy turns one South Kingsville property into two separately titled dwellings.

It is a more involved process than an extension or granny flat, but the financial outcome is a different category entirely.

RD Building Design reviews feasibility at the first consultation. We assess block size, zoning, and planning constraints before any design work begins.

House extensions on compact South Kingsville blocks

On South Kingsville's smaller lots, every extension decision has cascading effects. Adding floor area to one side tightens a setback. Going up triggers overlooking provisions. Covering outdoor space reduces the private open space calculation.

Getting these trade-offs right at design stage, rather than discovering them at permit assessment, is what separates a smooth project from an expensive rework. RD Building Design designs extensions on tight sites regularly and understands where the Hobsons Bay Planning Scheme gives room to work with.

Extending a home you plan to keep

South Kingsville homeowners who extend are usually staying. That changes the design brief entirely. This is not about maximising a sale price. It is about making a home work better for the people living in it.

RD Building Design designs extensions around how households actually use their homes: how rooms connect, where natural light falls, how indoor and outdoor spaces relate to each other.

What you can build in South Kingsville

Planning controls and development potential under the Hobsons Bay Planning Scheme

Council

Hobsons Bay

Planning scheme

Hobsons Bay 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.

NRZ Neighbourhood residential zone

Limits housing growth. Maximum two dwellings per lot in most cases. No apartment-style development. Protects established neighbourhood character.

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

Small to medium (typically under 500sqm)

Site coverage is frequently the binding constraint. Extensions and secondary dwellings need careful positioning to stay under the 60% site coverage limit.

Granny flat viability

Permitted up to 60sqm without a planning permit under Victoria's 2023 provisions, but site coverage is likely to be the binding constraint. Many blocks can accommodate a secondary dwelling if existing building footprint allows.

Dual occupancy

Viable on selected lots

Some GRZ zoning available, but NRZ dominates or lot sizes limit opportunities. Feasibility depends on specific block dimensions and frontage.

Location

9km from Melbourne CBD. Nearest station: Spotswood.

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

From first conversation to approved plans

From first conversation to approved plans

RD Building Design manages the full process.

  1. Consultation. We discuss the project, review your South Kingsville property, and outline what is possible. No charge.
  2. Feasibility. Goals tested against site conditions and planning controls. Done before design starts.
  3. Concept. Floor plans and external design showing how the project works on your block. You guide the revisions.
  4. Planning permit (where needed). Full application prepared and managed through Hobsons Bay assessment.
  5. Permit drawings. Working drawings for building permit and builder quoting.
  6. 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 South Kingsville homeowners

Do I need planning approval to renovate in South Kingsville?

Many renovations and extensions can proceed on a building permit alone under ResCode. Properties with heritage overlays or in special planning areas will generally need planning approval. RD Building Design determines this at the first consultation.

How long do permits take through Hobsons Bay?

A building permit is typically assessed in about 10-20 business days. Planning permits through Hobsons Bay generally take around 10-60 days. We set realistic expectations at the start of your project.

Can my South Kingsville property support a granny flat?

Most NRZ and GRZ properties can add a secondary dwelling up to 60sqm without planning approval since Victoria's 2023 changes. The key constraints are site coverage, setbacks, and open space. RD Building Design confirms what your block allows.

Is my South Kingsville block big enough for dual occupancy?

Under GRZ in Hobsons Bay, dual occupancy typically needs at least 250sqm per resulting lot and appropriate frontage. RD Building Design reviews feasibility at the initial consultation before any design work.

What about adding a second level to my South Kingsville home?

Second storey additions are viable on most properties, subject to structural capacity and planning requirements for overlooking, overshadowing, and neighbourhood character. We assess all of this at concept stage.

Where do I start if I want to build on my South Kingsville property?

Start with a property assessment. RD Building Design reviews your block against the Hobsons Bay Planning Scheme and provides a clear written summary of what you can build, including extensions, <a href="/backyard-buildings/granny-flats/">granny flats</a>, and dual occupancy potential.

Contact RD Building Design South Kingsville

Ready to talk about your South Kingsville project?

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