
Service | Electrical design

Service | Electrical design
About Electrical Design
Electrical Design That Gets It Right
Electrical Design That Gets It Right
Poor coordination between design and construction is one of the leading causes of delays and cost overruns on development projects. Estate Power Design, CJ Doyle's specialist electrical design division, is structured to eliminate that risk, managing the full process from initial concept through to authority approval.
Our team works closely with developers, consultants, and project managers to deliver designs that are fully compliant, practical, and construction-ready. By aligning design with real-world construction requirements, we minimise revisions, reduce rework on site, and keep projects moving forward without unnecessary delays.
Backed by over four decades of electrical infrastructure experience across Sydney, our designs are grounded in practical delivery knowledge as well as technical compliance. The result is a streamlined design process and documentation that translates directly into efficient, reliable construction outcomes.
Poor coordination between design and construction is one of the leading causes of delays and cost overruns on development projects. Estate Power Design, CJ Doyle's specialist electrical design division, is structured to eliminate that risk, managing the full process from initial concept through to authority approval.
Our team works closely with developers, consultants, and project managers to deliver designs that are fully compliant, practical, and construction-ready. By aligning design with real-world construction requirements, we minimise revisions, reduce rework on site, and keep projects moving forward without unnecessary delays.
Backed by over four decades of electrical infrastructure experience across Sydney, our designs are grounded in practical delivery knowledge as well as technical compliance. The result is a streamlined design process and documentation that translates directly into efficient, reliable construction outcomes.

Our services
Our Design Process
Our Design Process
A structured, four-step process designed to keep your project on track and fully compliant from the outset.
A structured, four-step process designed to keep your project on track and fully compliant from the outset.
Initial Consultation and Authority Brief
Step 1.
After reviewing your project requirements and site conditions, we obtain or align with the electrical authority's Method of Supply, setting the technical framework that guides the design.
Initial Consultation and Authority Brief
Step 1.
After reviewing your project requirements and site conditions, we obtain or align with the electrical authority's Method of Supply, setting the technical framework that guides the design.
Design Development
Step 2.
Our team develops the full electrical design, including HV and LV reticulation, substations, and network integration, fully coordinated and compliant with authority standards.
Design Development
Step 2.
Our team develops the full electrical design, including HV and LV reticulation, substations, and network integration, fully coordinated and compliant with authority standards.
Submission & Authority Approval
Step 3.
We manage the submission to the relevant authority and work through any review comments or revisions until full approval is achieved.
Submission & Authority Approval
Step 3.
We manage the submission to the relevant authority and work through any review comments or revisions until full approval is achieved.
Delivery & Construction Support
Step 4.
Once approved, we support the transition to construction, ensuring the design is delivered accurately on site and aligned with project timelines through to completion.
Delivery & Construction Support
Step 4.
Once approved, we support the transition to construction, ensuring the design is delivered accurately on site and aligned with project timelines through to completion.
Our projects
Recent Electrical Design Projects
Recent Electrical Design Projects
Recent Electrical Design Projects

Electrical
Wilton

Electrical
Gledswood Hills

Electrical
Gledswood Hill

Electrical
North Wilton

Electrical
emerald hills

Sewer
Greenacre Dr Tahmoor
Support
Frequently asked questions
Frequently asked questions
Still have questions?
Still have questions?
What does your electrical design service include?
Can you handle designs for large-scale subdivisions?
Do you coordinate with the electrical authority on our behalf?
How long does the design process typically take?
Can CJ Doyle also construct the electrical works after design?
