---
title: "Free Backyard Landscaping & Decking Cost Calculator | BackyardCost"
description: "Estimate landscaping, timber decking, fencing, retaining walls, and patio costs in your suburb with our free interactive calculator. Updated for 2026."
source: BackyardCost
sourceUrl: https://backyardcost.com/
lastUpdated: 2026-06-06
citationUrl: https://backyardcost.com/
---

# How much does a backyard remodel really cost?

Estimate landscaping, timber decking, fencing, retaining walls, and patio costs in your suburb with our free interactive calculator. Updated for 2026.

Configure your backyard, get a detailed estimate.

Free · No signup required · Estimates for 2026

Whether you are planning a simple backyard clean-up, installing boundary fencing, or building an expansive multi-level timber deck with integrated retaining walls, outdoor construction costs in Australia can vary significantly. Standard tradesmen rates and material logistics differ from region to region, driven by local council codes, supply indexes, and soil conditions.

At BackyardCost, our mission is to eliminate the guesswork. We compiled real, localized commercial data from licensed landscape architects and decking builders across Australia. Our interactive cost model factors in your specific postcode, slope, access complexity, and finish quality (ranging from cost-effective budget timbers to ultra-premium composite decking and high-end stone masonry) to deliver an accurate itemized estimate.

Unlike generic cost guides that provide wide, unhelpful ranges (such as $10k–$80k), we break down the elements line-by-line. This means you can model different scenarios—like comparing timber vs. composite decks, or scaling down a paved patio area—to match your exact financial budget before you request a single builder quote.

### Quick Backyard Calculator

## Explore Our Cost Estimator Scope

### Timber & Composite Decking

### Retaining Walls

### Paving & Hardscaping

### Soft Landscaping & Turf

## The Reality of Backyard Landscaping Costs

#### Calculators

#### Resources

#### Compliance

## Key Points

- 🧮 Interactive Calculator
- 🌳 Garden & Turf Landscaping
- 🔨 Timber & Composite Decking
- 🧱 Patios, Pergolas & Paving
- 🪵 Timber Retaining Walls
- 🛡️ Boundary Fencing
- 📚 Backyard Cost Guides
- 📖 Best Landscaping Projects
- 🧮 How We Calculate
- 📊 Data Sources & Benchmarks

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*Source: [BackyardCost](https://backyardcost.com/)*