NSW Precast Concrete Specialists

Quality Precast Concrete Blocks at Competitive Prices — Supply & Install Across NSW

From $60+GST. LEGO blocks, flat top blocks, half blocks — delivered or pickup available. Family-owned, 40+ years combined experience.

Request a Quote Call (02) 8089 0265 Ask Us a Question

Servicing NSW-wide from 2 locations — Sydney to Tweed Heads and everywhere in between

Symon Concrete Products supplies precast concrete blocks across NSW — LEGO blocks, flat top blocks, and half blocks — with upfront pricing from $60+GST. We manufacture and supply from two NSW locations — Mount Kuring-Gai and Marsden Park — with delivery NSW-wide and optional offload and placement (supply & install).

$60+
GST From
Half blocks from $60. Full blocks from $80.
2.5T
Anchor Point
Built into every block for safe crane handling.
40+
Years Exp.
Combined concreting & building industry experience.
1.5
Week Turnaround
Typical delivery from order. Urgent on request.
NSW
Wide Delivery
Sydney to Tweed Heads. No hard distance limit.
factory
In-House Made
Manufactured in-house at two NSW locations using Verdex moulds.

Our Precast Concrete Blocks

From $60+GST. Manufactured in-house, delivered across NSW, or pickup from either location.

Precast Concrete LEGO Block
1200×600×600mm · 1 tonne

Precast Concrete LEGO Block

$80+GST

Best for: Interlocking retaining walls, flexible site layouts, hoarding barriers.

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Precast Concrete Flat Top Block
1200×600×600mm · 1 tonne

Precast Concrete Flat Top Block

$80+GST

Best for: Material bays, simple stacking, non-interlocking applications.

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Precast Concrete LEGO Half Block
600×600×600mm · 0.5 tonne

Precast Concrete LEGO Half Block

$60+GST

Best for: Lower walls, corners, tighter spaces, material bays.

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Precast Concrete Flat Top Half Block
600×600×600mm · 0.5 tonne

Precast Concrete Flat Top Half Block

$60+GST

Best for: Lower walls, simple stacking, compact applications.

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COMING SOON
Stone Face LEGO Block - Coming Soon
1200×600×600mm · 1 tonne

Stone Face LEGO Block

Price TBA

Best for: Premium retaining walls, landscaping features, decorative applications.

REGISTER INTEREST
COMING SOON
Stone Face Flat Top Block - Coming Soon
1200×600×600mm · 1 tonne

Stone Face Flat Top Block

Price TBA

Best for: Decorative garden walls, feature boundaries, upscale material bays.

REGISTER INTEREST

We're expanding our range with stone face finishes and residential-friendly 300mm blocks. Email info@symonconcreteproducts.com.au or call (02) 8089 0265 to register interest.

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Industrial Applications

Concrete Blocks for a Range of Projects Across NSW. From site hoarding to marine applications, our blocks are trusted by commercial, industrial, and residential buyers.

Site Hoarding & Temporary Fencing
Site Hoarding & Temporary Fencing

Used as ballast for construction site hoarding, temporary barriers, and event perimeters. Popular with hoarding companies and site managers who need fast, stable, reusable solutions.

Retaining Walls
Retaining Walls (Residential, Commercial, Industrial)

Ideal for permanent retaining walls in backyards, commercial sites, and industrial facilities. LEGO blocks offer interlocking stability for sloped terrain or high-load applications.

Material Bays & Storage
Material Bays & Storage

Perfect for segregating stockpiles (sand, gravel, mulch, recycling) at quarries, landscaping yards, and construction sites. Flat top blocks provide clean, stackable partitions.

Marine & Mooring Applications
Marine & Mooring Applications

Trusted by marinas and mooring operators for boat ramp barriers, jetty ballast, and waterfront retaining structures. Durable concrete withstands salt, water, and heavy loads.

Farm & Rural Walls
Farm & Rural Walls

Used for property boundaries, erosion control, livestock yards, and dam walls on rural properties. Half blocks are popular for gateways and corner work.

Civil Construction & Infrastructure
Civil Construction & Infrastructure

Supplied to civil contractors and councils for roadworks barriers, drainage support, levee construction, and temporary infrastructure. Reliable turnaround for project deadlines.

Not sure which block suits your project?

REQUEST A QUOTE CALL (02) 8089 0265

Why Choose Symon Concrete Products?

Straightforward Pricing, Reliable Service, No Runaround

payments

Price Transparency

We list our prices upfront — $80+GST for full blocks, $60+GST for half blocks. No quote-chasing, no surprises. Delivery and install are quoted separately based on your location and site access.

build_circle

Supply + Install Flexibility

Need them delivered and placed? We'll offload from the truck and position them exactly where you need them. Install is quoted per hour and takes the pressure off your crew. Or collect from Mount Kuring-Gai or Marsden Park.

local_shipping

NSW-Wide Delivery (No Distance Limit)

From Sydney to the Central Coast, Hunter, South Coast, or as far as Tweed Heads near the QLD border — if you're in NSW and the job makes sense, we'll get them to you. Delivery cost depends on distance, truck type, and site access, and is quoted upfront.

schedule

Fast Turnaround When You Need It

Typical turnaround is 1.5–2 weeks depending on current stock. Got an urgent project? Talk to us and we'll advise the soonest available slot.

REQUEST A QUOTE CALL (02) 8089 0265

Deployment Process

Getting Your Blocks Is Straightforward

01
Get in touch

Call, email, or use our chat. Tell us: block type, quantity, delivery suburb (or pickup), and site access.

02
We quote clearly

Product cost (per block) + delivery cost (based on location) + install cost if required (per hour).

03
Manufacture or Stock

Typically 1.5–2 weeks. Urgent orders on request.

04
Deliver and Place

Or you collect from Mount Kuring-Gai.

START YOUR QUOTE

Trade Feedback

PH

"Great pricing and George was really helpful with delivery logistics for our site. Blocks arrived on time and in perfect condition. Will definitely use again for our next project."

Commercial Builder, Sydney
PH

"We needed blocks urgently for a hoarding job in the city. Symon Concrete Products turned it around in under 2 weeks and the install crew made it seamless. Highly recommend."

Site Hoarding Company, NSW
PH

"Straightforward to deal with, competitive pricing, and the blocks are solid. Exactly what we needed for our marina retaining wall project."

Marine Contractor, Central Coast
WORK WITH US

Servicing NSW-Wide — 2 Locations

Based in Mount Kuring-Gai and Marsden Park, we deliver precast concrete blocks across New South Wales — from Sydney metro and the Northern Beaches to the Central Coast, Hunter region, South Coast, and regional areas like Tweed Heads (near the QLD border).

Delivery pricing is based on your location, order size, and site access, and is quoted upfront.

Prefer to collect?

Pickup is available from either of our two NSW locations by arrangement. Call ahead to confirm stock and timing.

Northern Sydney

Mount Kuring-Gai

56 Beaumont Road, NSW 2080

Western Sydney

Marsden Park

223 Grange Avenue, NSW 2765

SEE DELIVERY DETAILS CALL (02) 8089 0265
Popular delivery areas include:
  • distance Sydney metro & Northern Beaches
  • distance Central Coast (Gosford, Wyong, Terrigal)
  • distance Newcastle & Hunter region
  • distance South Coast (Wollongong, Illawarra)
  • distance Western Sydney & Blue Mountains
  • distance Regional NSW (Tweed Heads, Port Macquarie, Bathurst, and beyond)

Common Questions

Pricing starts from $60+GST. Full-size blocks are $80+GST and half blocks are $60+GST. Delivery and placement (if required) are quoted upfront based on your location and site access.
Request a quote Call (02) 8089 0265
Yes — Sydney metro, Central Coast, Hunter/Newcastle, South Coast, and regional NSW (including as far as Tweed Heads near the QLD border). Delivery cost depends on distance, truck type, and site access, and is quoted upfront.
See delivery details
Yes. Our supply & install service includes delivery, offloading, and placement to your instructions. Install is quoted per hour and excludes site preparation unless agreed.
See supply & install
Typically 1.5–2 weeks depending on current stock. If you have an urgent project, let us know and we'll advise the soonest available slot.
Call (02) 8089 0265
It depends on order size and site access. We use rigid trucks, semi-trailers, or B-doubles, and confirm the best option during quoting.
Access requirements
Yes. Pickup is available from two locations: Mount Kuring-Gai (56 Beaumont Road, NSW 2080) and Marsden Park (223 Grange Avenue, NSW 2765). Call ahead to confirm stock and arrange timing.
Call (02) 8089 0265

Ready to Get a Quote?

Tell us what you need — we'll get back to you with clear pricing and next steps.

REQUEST A QUOTE CALL (02) 8089 0265 Ask Us a Question