Sydney Eastern Suburbs · Deck Pricing Guide 2025

What does a deck
cost in Sydney
right now?

A clear breakdown of what goes into a deck quote — materials, subframe, and the things nobody tells you about.

This is a planning guide. Every job has unique factors.
Use this to orientate yourself, not to hold anyone to a number.

Cost Calculator

Estimate your build

Subframe / framing
Deck Size 20
13 m²80 m²

Smaller deck? Get in touch — I’ll scope it or point you in the right direction.

Estimated all-in price · inc. GST
$12K – $18K
Spotted Gum · Standard H4 · 20 m²
Every Eastern Suburbs job is different — slope, access, height, and finishes all move this number. This is a planning guide only.
What’s Included

Every build comes with

Full site measure & design
Fixed-price written quote
All materials & delivery
Greg The Decksmith is the main carpenter on every build
Free deck pressure wash with every composite build
Free 6 week health check
Site clean-up on completion
Structural warranty
Not included in the estimate above
Balustrades & glass panels
Pergola or roof structure
Lighting installation
Electrical / outdoor power points
Landscaping or garden tie-ins
Council DA (if required)
Footings beyond standard posts
Add-ons

Quoted separately

Stairs — per flightPOA
Timber balustrade (post & rail)$2,800 – $6,000
Glass balustrade$6,000 – $22,000
Stainless cable balustradePOA
Deck lighting$800 – $2,500
Pergola / shade structure$9,000 – $25,000
Bench seat / planter box$1,800 – $3,500
Site prep / earthworksPOA
Price Factors

What pushes the price up

Height & elevation

Height adds significant cost. Every course of additional height means more bracing, blocking, and labour. A balcony deck can be significantly higher than a ground-level build — that difference matters in the quote.

Site access

Tight side passages, steep blocks, or no vehicle access — common across the Eastern Suburbs — means hand-carrying materials. That adds time and cost.

Balustrades & stairs

Not in this estimate. Glass balustrades can add $6K–$22K. Timber post-and-rail from $2,800. Stainless cable on request. Stairs quoted per flight on site.

Subframe upgrade

Beachside or shaded understorey sites benefit from aluminium or LowDeck subframes over standard H4 treated pine. Worth it for coastal Eastern Suburbs properties.

Council DA

Many Sydney decks are exempt from a DA depending on height, size, and location. Check your obligations via Waverley Council’s approval guide — or ask me when we meet on site.

Irregular shapes

L-shapes, curves, and wraparound decks increase cutting waste and labour. Straight rectangular builds are the most cost-effective footprint.

Ready to get a real number?

Book your
free consultation.

I come to your site, take the measure, talk through materials, and give you a fixed-price quote. No surprises on day one or day thirty.

Book your free consultation → No obligation. Eastern Suburbs only.
— Greg, The Decksmith