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Buildana construction project in Western Sydney

Home Extension Builder Miller — More Space, Same Address

Fixed-price home extensions in Miller 2168. Ground floor, second storey and rear additions. Liverpool City Council approvals managed. Free design consultation.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIAHIA MemberMBA NSWMBA NSW0476 300 300
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Quick Answer

A home extension in Miller costs $150,000–$600,000+. Rear extension from $150K, second-storey addition from $300K. Buildana manages design, Liverpool City Council approvals, and construction under one fixed-price contract.

Home Extension Builder in Miller

Miller homeowners with 1960s–1980s-era properties are increasingly turning to home extensions to gain space without the disruption of a full move. With typical lots of 500–650m², most Miller properties can accommodate ground-floor or second-storey extensions under Liverpool City Council's planning controls. Buildana manages feasibility, design, approvals, and construction for Miller extension projects under one fixed-price contract.

Buildana manages the complete home extension process in Miller — from design consultation and structural engineering through to DA or CDC approval, and fixed-price construction to handover. Extend your home without the stress.

Read our Home Extension Cost Guide 2026 or explore extension approval pathways in NSW.

  • Home extensions in Miller from $150K
  • Liverpool City Council DA and CDC approvals managed
  • Ground floor, rear and second-storey additions
  • Class H soil — structural engineering included
  • 1960s–1980s-era homes assessed for extension suitability
  • Connect new to existing — seamless finish
  • 6-year structural warranty
  • Free design consultation — near Liverpool (4 km) station
Home extension in Miller
Structural assessment for 1960s–1980s-era homes
Ground floor and rear living extensions
Second-storey additions
Kitchen and bathroom extensions
Geotechnical assessment (Class H soil — Miller)
BASIX certificate and NCC 2022 compliance
Liverpool City Council DA or CDC lodgement
Seamless connection to existing dwelling
Weatherproofing during construction
Defect-free handover guarantee

Why Extend Your Home in Miller?

Miller is an established residential suburb with 1960s–1980s housing stock on standard blocks. The suburb offers affordable entry to Liverpool LGA with renewal opportunity.

Building costs in Miller sit below the Sydney metro average, making it an attractive location for value-conscious homeowners and investors. Typical residential lots of 500–650m² in Miller (2168) provide strong building envelopes across a range of project types. transport access via Liverpool (4 km). R2 Low Density zoning across Miller supports quality detached homes with generous setbacks and outdoor living. Class H reactive soil is common in Miller — Buildana includes engineered slab design as standard. Median house prices of $700K–$900K mean land value supports a quality build investment, with granny flat rental potential of $380–$500/week.

Home extensions in Liverpool LGA suit the area's 1980s–2000s housing stock, many of which have spacious floor plans that can be further enhanced. Common extension projects include open-plan kitchen-living additions, master suite wings, and covered outdoor entertaining areas. Liverpool Council requires DA for extensions over 50m² or structural second-storey additions. Buildana manages structural assessment, design, approval, and construction under one contract.

Planning Controls — Liverpool City Council

Liverpool LEP 2008 & DCP Part 01. R2 zones: FSR 0.5:1, R3 zones: FSR 0.75:1, building height 9m, front setback 6m. Secondary dwellings under the Affordable Rental Housing SEPP. CDC available for compliant designs.

Have a question about your project?

Talk to our team — free site assessment and fixed-price quote.

How It Works

From First Call to Final Key

We assess your Miller home — existing structure, block size (500–650m²), R2 Low Density zoning, setbacks, FSR, and your space requirements. You'll know what's achievable before spending on detailed design.

Extension designed to complement your existing home — floor plan, elevations, structural connection details. Liverpool City Council compliance built into the design from day one.

DA through Liverpool City Council (40–90 days) or CDC (10–15 business days). Construction Certificate obtained before works commence. Buildana manages all submissions.

Extension built with minimal disruption — new footings (Class H soil), frame, connection to existing dwelling, fit-out. Weekly updates from your project manager.

Defect-free handover with seamless connection between old and new. 6-year structural warranty. Your Miller home — with the space you need.

Quality Promise

Every Buildana home extension in Miller is delivered under a fixed-price contract — from design consultation through to defect-free handover.

Fixed-price extension constructionNCC 2022 and BASIX compliantFull Liverpool City Council complianceSeamless old-to-new connectionWeekly progress updates6-year structural warranty

Our Team

OA

Oliver Alameri

Founder / Director / Builder

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

Estimate Your Build Cost

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Cost Guide

ItemEstimated Range
Rear ground-floor extension$130,000 – $260,000
Second-storey addition$260,000 – $440,000
Large multi-room extension$350,000 – $530,000+
Structural engineering$3,000 – $7,000
Council contributions$2,000 – $13,000
Temporary weatherproofing$2,000 – $4,000

Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.

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Frequently Asked Questions

Google Reviews
5.0
Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.

Fatima Al-Rashid

Liverpool, NSW

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Areas We Serve

We Build Across Sydney

Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.

Extend Your Home in Miller

Free design consultation for Miller 2168. We'll assess your home, design the extension, and provide a fixed-price quote.

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