
Regents Park Home Extension Builder — Live In, Build On
Buildana extends homes across Regents Park 2143 while you stay in place. 1950s–1970s-era structure, Cumberland City Council rules, weatherproofing during build — all managed locally from Fairfield.
Extending Homes in Regents Park
A home extension in Regents Park makes sense for the same reason people move here in the first place — the train. These are 1950s to 1970s homes on ordinary suburban blocks, close enough to the line that upsizing elsewhere means paying for a commute you already have. Adding a rear wing keeps the position and buys you the room a growing family runs out of.
Whether it is worth doing comes down to the house itself. Brick with sound footings takes an addition without argument. A worn fibro place is a different conversation, and I will run the rebuild numbers with you rather than pretend a wing is always the answer. Any fibro we disturb is stripped out under licence before framing starts.
At a $1.0M to $1.3M median the case for staying is clear when the house deserves the spend. The footings for the new part are designed around the ground under your block, so old and new sit level together.
We build these fixed-price, licence HBL 487805C. Ask us to measure what your block can hold.
Buildana manages the complete home extension process in Regents Park — 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 Regents Park from $150K
- Cumberland City Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class M soil — structural engineering included
- 1950s–1970s-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Regents Park station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Read the house before you spend
I look at what you own before I talk about drawings. Regents Park brick with decent bones carries a rear wing — bedrooms, a second living room — cleanly. If the original is tired fibro, I would rather show you what a rebuild costs than sell you an extension that fights the old structure the whole way.
The blocks here have the depth for a proper ground-floor addition, so the family space goes on without forcing a second storey and its steel.
Fibro out, footings sized right
Wherever the work exposes fibro, it is removed under a licensed strip-out first — that is the part cheaper builders skip and homeowners pay for later.
The new footings are engineered to your ground, not a template, and both the strip-out and the footing work are inside the fixed price from the outset.
Home extension builder in Regents Park — key facts
- Suburb
- Regents Park, NSW 2143
- Council / LGA
- Cumberland City Council (Cumberland City)
- Primary zoning
- R2 Low Density & R3 Medium Density
- Typical lot size
- 450–650m²
- Soil class
- Class M
- Median house price
- $1.0M–$1.3M
- Home era
- 1950s–1970s
- Typical price range
- $150,000 – $600,000+
- Typical timeline
- 6–12 months design to handover
- Approval pathway
- CDC for most rear extensions, DA for second-storey
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.
Quality Promise
Every Buildana home extension in Regents Park is delivered under a fixed-price contract — from design consultation through to defect-free handover.
How It Works
From First Call to Final Key
Walk through your Regents Park home with our designer and structural engineer. We measure, photograph, and check the bones — footings, frame condition, roof structure. The cost estimate that follows is grounded in what we found, not a generic per-m² number.
⏱Our designer works with your existing home's layout — connecting new living areas to existing rooms, matching materials and roof pitch, and maximising natural light. You approve floor plans and 3D renders before we proceed.
⏱Most rear extensions in Regents Park qualify for CDC — cleaner, faster, no neighbour notification. Second-storey additions typically need DA through Cumberland City Council because of overshadowing and privacy assessments. We choose based on your design, not on what's easier to lodge.
⏱Extension built from new footings to completion — connecting structurally to your existing home. Class M soil design managed. Temporary weatherproofing maintains liveability where possible.
⏱Walk through the completed extension, confirm finishes, collect your OC. Six-year structural warranty covers all new work including the junction with your existing home. Maintenance guide provided.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
Use our free calculator to get an instant cost estimate for your project
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
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
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.
Last updated: 1 April 2026
Add Space to Your Regents Park Home
Free design consultation for Regents Park 2143. We'll assess your home, design the extension, and provide a fixed-price quote.
Start Your ProjectMore in Regents Park
Other Buildana services in Regents Park
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Regents Park 2143. Cumberland City Council regulations and local controls are covered on each page.