
Home Extension Builder Middleton Grange — Approved in 60 Days
Middleton Grange 2171 extensions with tight approval timelines. CDC where eligible (~15 days), DA via Liverpool City Council in 40–60 days. Construction 12–24 weeks depending on scope.
Extending Homes in Middleton Grange
A home extension in Middleton Grange is precision work — the 2010s estate's 350 to 500m² blocks demand additions designed to the metre, and the earliest homes are already being extended where young families outgrew the plans.
The clean fabric keeps the work simple, the Class H clay gets engineered junctions, and I say honestly where the home does not need the spend yet.
At the $900K to $1.1M median, the designed-to-the-metre wing beats upsizing where the plan is genuinely outgrown.
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 Middleton Grange — 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 Middleton Grange from $150K
- Liverpool City Council DA and CDC approvals managed
- Ground floor, rear and second-storey additions
- Class H soil — structural engineering included
- 2010s–present-era homes assessed for extension suitability
- Connect new to existing — clean, matched finish
- 6-year structural warranty
- Free design consultation — near Leppington (4 km) station

Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Precision on the compact block
Middleton Grange's 350 to 500m² blocks leave no room for sloppy design — the addition is planned to the metre, and the earliest estate homes are already proving the demand where families outgrew the original plans.
I say honestly where the home does not need the spend yet.
Clean and engineered
The clean 2010s fabric keeps the work simple, and the Class H junctions are engineered.
Both are costed up front, to the metre.
Home extension builder in Middleton Grange — key facts
- Suburb
- Middleton Grange, NSW 2171
- Council / LGA
- Liverpool City Council (Liverpool City)
- Primary zoning
- R2 Low Density
- Typical lot size
- 350–500m²
- Soil class
- Class H
- Median house price
- $900K–$1.1M
- Home era
- 2010s–present
- 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
Middleton Grange home extension specialists: we work on your home while you live in it, weatherproof the site nightly, finish clean.
How It Works
From First Call to Final Key
On-site assessment of your 2010s–present-era home in Middleton Grange. We check structural condition, block dimensions (350–500m²), setback availability, and Liverpool City Council's DCP requirements. Written feasibility and cost estimate provided.
⏱Designing an extension is half about the new space and half about how it joins the old one. Doorway position, ceiling height transition, floor level matching, light wells — the junction makes or breaks how the finished home feels.
⏱We lodge your extension approval — CDC for eligible designs or DA through Liverpool City Council. Full documentation including structural engineering for Class H soil, BASIX, and shadow diagrams. CC issued before works start.
⏱For ground-floor rear extensions you usually stay in the house during the build, with temporary weatherproofing at the junction wall until the new section is locked up. Second-storey additions need a 4–8 week relocation during the roof-off and frame-up phase.
⏱Final inspection, Occupation Certificate, 6-year structural warranty. Your Middleton Grange home now has the space your family needs.
⏱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
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Other Buildana services in Middleton Grange
Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Middleton Grange 2171. Liverpool City Council regulations and local controls are covered on each page.