All Services

Service 04

New Home Build Advisory

We provide independent, owner-side advisory support for clients planning, procuring, and delivering a new home build.

Our role is to help clients make better decisions before they commit to a builder, before documentation gaps harden into pricing problems, and during the build where independent commercial and construction-focused input is valuable.

This service is for clients who want experienced support without relying solely on builder sales processes, vague documentation, or reactive decision-making.

Important boundary: We provide advisory support only. We do not act as the builder, architect, certifier, engineer, legal adviser, or superintendent unless expressly engaged on that basis.

Who This Service Is For

Clients planning a custom or semi-custom home
Time-poor professionals who want better decision support
Interstate or overseas owners building in Perth
Clients comparing multiple builders or procurement pathways
Clients worried about scope gaps, allowances, exclusions, or variation risk
Clients who want independent input before making expensive commitments
Clients who want strategic support without engaging a full project manager

Where We Add Value

Typical Issues We Help Clients Avoid

Easy Entry Point

Early Plan Review

An independent second opinion on your plans, inclusions or preliminary build documents before going further. Identifies obvious build-risk issues and documentation gaps while changes are still easier and cheaper to make.

$199

+ GST

Credit toward larger work. If you proceed to a larger package within 7 days, the $199 fee is credited toward that engagement.

Service Packages

Entry Point

Early Plan Review

$199 + GST

Stage-Based

Advisory Packages 1–6

Fixed fee

Full Engagement

Full Owner-Side Advisory

1.25% – 2.0% of project cost

Included consultation calls are limited to 30 minutes. Additional time is charged at $320 + GST per hour.

Package 1

Build Feasibility & Risk Review

Best for clients in the early stage who want a deeper view on likely build risks before committing further time and money.

From $1,350

+ GST

View details ↓

What's included

  • Review of available concept plans, site information and client brief
  • One 30-minute consultation call
  • High-level commentary on likely build complexity, commercial risks and key decision points
  • Identification of major missing information and likely cost and risk drivers
  • Short written feasibility and risk summary

Deliverable

A concise early-stage advisory note identifying likely project complexity issues, probable site or documentation risk areas, common commercial traps, and recommended next steps before progressing.

Scope assumptions

  • One site and one concept package
  • One written summary
  • Moderate complexity only

Important limitations

  • Full cost estimate, design review, engineering review, or development approval assessment

Package 2

Builder Selection & Procurement Support

Best for clients deciding how to approach the market and which builder pathway is most suitable.

From $1,850

+ GST

View details ↓

What's included

  • Review of project stage, documentation readiness and procurement options
  • One 30-minute consultation call
  • Support with builder shortlist criteria and procurement approach
  • Preparation of a builder comparison framework or tender issue checklist
  • Commentary on likely procurement risks and information gaps
  • Short written procurement support note

Deliverable

A practical framework to help the client approach the market more strategically and compare builders on a more informed basis.

Scope assumptions

  • One project and one procurement pathway review
  • One written framework or support note

Important limitations

  • Builder introductions, tender administration and extensive shortlist management are additional unless separately agreed

Package 3

Scope & Specification Review

Best for clients who want to tighten the documentation before pricing or contract commitment.

From $2,250

+ GST

View details ↓

What's included

  • Review of plans, schedules, inclusions and available specification material
  • Identification of obvious omissions, vague wording and likely decision gaps
  • Commentary on documentation areas likely to create pricing inconsistency or future disputes
  • One 30-minute consultation call
  • Written issues summary and clarification list

Deliverable

A structured review showing where the current documentation may be too loose, incomplete, or commercially risky before going to builders.

Scope assumptions

  • One document set
  • Moderate design and documentation complexity
  • One written issues summary
  • One round of minor clarification

Important limitations

  • Specialist technical review remains outside scope unless separately engaged

Package 4

Builder Quote Comparison & Commercial Review

Best for clients who have received multiple builder proposals and need help understanding the real differences.

From $2,450

+ GST

View details ↓

What's included

  • Review of up to 4 builder quotes or proposals
  • Side-by-side comparison of inclusions, exclusions, allowances and assumptions
  • Commentary on major pricing gaps and probable commercial drivers
  • Identification of prime cost, provisional sum and scope clarity risks
  • One 30-minute consultation call
  • Written comparison matrix or summary note

Deliverable

A structured comparison showing where quotes are not like-for-like, where pricing appears artificially low or poorly defined, and where the client should seek clarification before proceeding.

Scope assumptions

  • Up to 4 substantive quotes
  • One written comparison
  • One round of minor clarification

Important limitations

  • This package supports decision-making but does not guarantee final build cost or contractor performance

Package 5

Pre-Contract Build Risk Review

Best for clients close to commitment who want a final commercial and scope sanity check before signing.

From $2,750

+ GST

View details ↓

What's included

  • Review of builder proposal, inclusions, exclusions and key supporting documents
  • Owner-side commentary on major commercial risk areas
  • Commentary on documentation clarity, scope exposure, allowance risk and likely variation pressure points
  • One 30-minute consultation call
  • Written pre-contract risk summary

Deliverable

A concise pre-commitment advisory note identifying the major non-legal risks the client should understand before entering the build.

Scope assumptions

  • One preferred builder proposal
  • One written risk summary
  • One round of minor follow-up clarification

Important limitations

  • This is not legal advice and does not replace formal legal review of the building contract

Package 6

Variation Review

Best for clients already under contract who want an independent view on a proposed variation before approving it.

From $850 per variation

+ GST

View details ↓

What's included

  • Review of one builder variation and supporting context
  • Commentary on scope clarity, commercial logic and obvious risk points
  • One 30-minute consultation call
  • Short written variation review summary

Deliverable

A concise advisory note highlighting what appears included, what may still be unclear, where the client should seek clarification, and obvious risk or ambiguity points.

Scope assumptions

  • One variation only
  • Moderate complexity
  • One written summary

Important limitations

  • Not legal advice, contract administration or quantity surveying
  • Large or heavily layered variations may require a separate fee
Full Advisory

Package 7

Full Owner-Side Build Advisory

Best for clients who want independent support across the full build journey, from procurement through to key delivery-stage decisions.

1.25% – 2.0% of project cost

+ GST

View details ↓

What's included

  • Builder selection and procurement support
  • Scope and documentation input
  • Quote and proposal review
  • Pre-contract commercial risk input
  • Review of key variations and build-stage decisions
  • Owner-side strategic input at agreed checkpoints
  • Ongoing advisory support to help the client stay commercially and strategically in control

Deliverable

A higher-touch advisory engagement tailored to the project, providing ongoing owner-side support across the key decision stages of the build. Best suited to custom homes, high-value new builds, interstate owners, time-poor professionals, and projects where stronger owner-side risk management is warranted.

Scope assumptions

  • Typically priced as a fixed fee or percentage of project cost depending on scale and complexity
  • Custom quoted for each engagement
  • Indicative range: 1.25% to 2.0% of project cost + GST

Important limitations

  • Not full project management, superintendent services, contract administration or site supervision unless expressly agreed

Optional Add-Ons

Site Review Add-On

Site attendance to review accessible conditions, progress issues or specific decision points.

From $750 + GST per visit

Additional Consultation Time

For extended calls, reviews or meetings beyond package inclusion.

From $320 + GST per hour

Additional Revision Round

For additional document updates after the included revision allowance.

From $450 + GST

Tender Pack Support

Formatting and structuring of documentation for issue to builders.

From $850 + GST

Meeting Attendance

Attendance at builder or consultant meetings.

From $450 + GST per hour, plus travel if applicable

What We Do Not Do

Provide legal advice
Certify design compliance
Replace the architect, designer, engineer or building surveyor
Guarantee final build cost, build duration or builder performance
Act as builder or superintendent unless expressly engaged
Provide quantity surveying unless separately arranged
Undertake full-time project management unless separately agreed

How It Works

1

Initial Review

The client sends through available plans, quotes, builder information and background.

2

Package Selection

We determine whether the matter suits an early plan review, stage-based fixed-fee package, or full owner-side advisory engagement.

3

Delivery

We complete the agreed advisory package within the defined scope boundary.

4

Additional Support

If the project expands or build-stage issues arise, additional services are scoped separately.

Important Limitation

West Coast Construction Advisory provides independent building and scope advisory services only. We do not act as builder, superintendent, contract administrator, architect, engineer, certifier, or legal adviser. Nothing provided under this service constitutes legal advice, engineering assessment, architectural advice, or financial product advice. We do not guarantee build cost, build duration, or contractor performance. Our liability is limited to the terms of the engagement agreement.

Ready to get independent advice on your build?

Get in Touch