---
title: "What is a Detail Survey and Why Do Architects Need It? | City Land Surveyors Perth"
description: "A detail survey maps all physical features on a property including ground levels, contours, buildings, trees, fences and services. Essential for architectural design."
canonical_url: "https://citylandsurveyorsperth.com/blog/what-is-detail-survey-perth"
last_updated: "2026-09-16"
# last_updated_source: sitemap-lastmod
---
Blog / Detail

# What is a Detail Survey and Why Do Architects Need It?

Jan 15, 2026

A detail survey (also called a topographic survey or feature survey) maps all physical features on a property including ground levels, contours, buildings, trees, fences, driveways, and underground services. It creates a scaled plan used by architects, engineers, and councils for design and planning purposes.

## How Much Does a Detail Survey Cost in Perth?

A detail survey in Perth typically costs $1,500 to $4,000 for a standard residential property. Costs increase for larger blocks, heavily vegetated sites, or properties with many features to capture. A basic detail survey for a 600sqm block starts around $1,500.

## When Do You Need a Detail Survey?

You need a detail survey when: designing a new building or extension, lodging a DA with council, planning earthworks or landscaping, assessing drainage issues, or preparing for subdivision. Most Perth councils require a detail survey for DA submissions involving new buildings.

## Detail Survey vs Boundary Survey

A boundary survey defines your legal property boundaries. A detail survey maps features within those boundaries (contours, buildings, trees, etc.) but may not include a full boundary re-establishment. Many projects require both - boundaries for legal purposes and detail for design.

## How Long Does a Detail Survey Take?

A detail survey typically takes 1-2 days on site, with the completed plan delivered within 5-10 business days. Complex sites with many features or dense vegetation may take longer. Rush services are available for urgent projects.

[Learn About Detail Surveys](/detail-survey) [Get a Quote](/contact-us)

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- [Do You Need a Survey Before Building a Fence in Perth? | City Land Surveyors Perth](https://citylandsurveyorsperth.com/blog/survey-before-building-fence-perth)
- [What is a Detail Survey and Why Do Architects Need It? | City Land Surveyors Perth](https://citylandsurveyorsperth.com/blog/what-is-detail-survey-perth)

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