Skip to content

We’re here to make it feel like home

Buildana construction project in Western Sydney

Home Renovation Builder Northbridge — Fixed-Price, From $30K

Fixed-price renovations in Northbridge 2063. Bathroom from $20K, kitchen from $30K, full internal reno $150K+. No hourly rates, no surprise invoices.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIA Member — Buildana Custom Home Builders SydneyHIA MemberMaster Builders Association NSW Member — BuildanaMBA NSW0476 300 300
?

Quick Answer

A home renovation in Northbridge costs $100,000–$500,000+. Kitchen from $30K, bathroom from $20K, full renovation from $150K. Buildana manages design, Willoughby City Council approvals (where required), and construction under one fixed-price contract.

Renovating Homes in Northbridge

A home renovation in Northbridge earns the harbour — 1920s to 1970s homes on 500 to 900m² blocks with substantial fall to Middle Harbour on the water-side streets, where the renovation's job is capturing the outlook the block already owns.

On the falling lots, suspended structures and retaining are engineered early. Near Sailors Bay Road, the Heritage Conservation Areas shape the frontages, checked before design.

The sandstone-dominant ground is read by geotech, and the older fabric gets the lead-paint and asbestos checks by era.

We renovate fixed-price, licence HBL 487805C. Get our renovation scope, with the fall engineered, before you commit.

Buildana manages the complete home renovation process in Northbridge — from initial consultation and design through to approvals (where required) and fixed-price construction to handover. Your home, modernised.

Not sure whether to renovate or rebuild? Use our Renovation vs KDR Calculator or read the renovation vs knockdown rebuild comparison.

  • Home renovations in Northbridge from $100K
  • Willoughby City Council approvals managed (where required)
  • Kitchen, bathroom, and full-home renovations
  • 1920s–1970s-era homes — renovation specialists
  • Asbestos assessment and removal included
  • Staged renovation plans to minimise disruption
  • 6-year structural warranty on structural work
  • Free consultation — near Artarmon (3 km) station
Renovated family home in Northbridge, Willoughby, NSW
OA

Reviewed by Oliver Alameri

Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010

Capture what the block owns

Northbridge's premium is the harbour, and many 1920s-70s homes under-use it — the renovation reorients living toward the water, opens the plan, and adds the glazing and levels the fall makes possible.

On the falling lots, the engineering is designed and priced before the first sketch is sold.

Heritage streets, sandstone ground

The HCAs near Sailors Bay Road shape the frontages — checked before design. The sandstone ground is read by geotech, and the era-appropriate lead-paint and asbestos checks are licensed processes.

All priced into the scope upfront.

Home renovation builder in Northbridge — key facts

Suburb
Northbridge, NSW 2063
Council / LGA
Willoughby City Council (Willoughby)
Primary zoning
R2 Low Density
Typical lot size
500–900m²
Soil class
M
Median house price
$3.2M–$5.0M
Home era
1920s–1970s
Typical price range
$30,000 – $500,000+
Typical timeline
3–8 months depending on scope
Approval pathway
Exempt development for cosmetic, CDC/DA for structural

Want a real number for YOUR block — not a generic estimate?

Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.

Cost Guide

ItemEstimated Range
Cosmetic only (paint, floors, fittings)$20,000 – $65,000
Wet area renovation (kitchens, bathrooms)$65,000 – $230,000
Wet area + structural (wall removal)$230,000 – $490,000
Full renovation + electrical/plumbing upgrade$490,000 – $780,000
Heritage-sensitive full renovation$590,000 – $1,040,000

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

How It Works

From First Call to Final Key

A Northbridge renovation starts with what's worth keeping. Character floorboards, structural brickwork, original joinery — if it earns its place, it stays. Everything else gets a hard look.

Design is pragmatic. Removing the right wall to open a kitchen, upgrading the bathroom to function properly, fixing the laundry that was an afterthought in 1975. Structural engineer signs off before anything load-bearing moves.

Construction runs in stages so you can live in the house for parts of it. Wet areas and kitchens get a clear programme — three weeks without a kitchen is normal; three months is someone else's job.

Handover is clean. New work tied into old work with matched finishes, defects fixed before you move back into the finished zones, warranty on all new work.

Open-plan kitchen/living created by removing the right wall — done properly with structural engineer sign-off
Bathroom that functions as a room, not a tight 1970s cubicle
Kitchen designed for how you actually cook — work triangle, storage, bench landing
Flooring continuous through the living zones — eliminates the awkward transition strips
Natural light brought in through considered windows, skylights or remodelled openings
Laundry upgraded from 'shed-off-the-kitchen' to a functional utility zone
Paint, finishes and fixtures chosen for how they'll age — not how they photograph on day one

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

Estimate Your Build Cost

Use our free calculator to get an instant cost estimate for your project

Open Calculator →

Still got questions? Talk to Oliver directly.

30-min free call — bring your block, your brief, your budget. We'll map out feasibility, timeline, and realistic cost. No sales pitch.

Frequently Asked Questions

Google Reviews
5.0·26+ verified reviews
Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.
FA

Fatima Al-Rashid

Liverpool, NSW

Read every review
Areas We Serve

We Build Across Sydney

Headquartered in Western Sydney's Fairfield. Active across all 28 metropolitan Sydney LGAs — from Penrith to the Eastern Suburbs, the Hills to the Sutherland Shire.

Renovate Your Home in Northbridge

Free renovation consultation for Northbridge 2063. We'll assess your home, design the renovation, and provide a fixed-price quote.

Start Your Project