JDS – Home Extensions Hero

Home Extension
Builders Penrith

Expand your home with a family-owned Penrith builder. Over 20 years experience in single-storey extensions, open-plan additions, and seamless builds across Western Sydney.

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JDS – Extensions Intro

Need a Home Extension Built in Penrith?

If you're looking for experienced home extension builders in Penrith, JDS Construction & Design delivers high-quality extensions designed to grow with your home and lifestyle.

As a family-owned construction business based in Penrith with over 20 years of experience, we specialise in practical, well-built home extensions that add space, functionality, and long-term value. Whether you're expanding for a growing family or upgrading your living areas, we manage the entire process from start to finish.

Custom Home Extensions Designed for Western Sydney Homes

A home extension is one of the most effective ways to gain extra space without the cost and disruption of moving. We design and build extensions that integrate seamlessly with your existing home, while meeting local council requirements and Western Sydney conditions.

Every home extension is tailored to your block, budget, and future plans.

A well-designed extension should feel like it has always been part of the home. We take care to match materials, rooflines, and finishes so your extension blends seamlessly with your existing structure — from brickwork and roofing to internal finishes.

More space for your family, more value for your property — without leaving the street you love.

Single-storey home extension with new sliding doors, large windows, and paved outdoor area
JDS – Extension Benefits

Why Western Sydney Families Extend Instead of Moving

More space, less disruption. A home extension lets you grow your property without leaving the area you love.

Room for a Growing Family

Extra bedrooms, a bigger living area, or a second bathroom — an extension gives your family the space it needs without the upheaval and cost of selling, buying, and moving.

Open-Plan Living

Extend out the back and create the connected kitchen-dining-living zone your home was missing. Open-plan extensions are the most popular build we do — and the most transformative.

Stay in the Area You Love

Kids' schools, proximity to work, family nearby — there are plenty of reasons to stay put. An extension lets you get the bigger home you need on the block you already own.

Boost Property Value

A well-built extension adds significant square metres and buyer appeal. It's often the most cost-effective way to increase your home's resale value in the current Western Sydney market.

JDS – Extension Types

Home Extension Types We Build Across Western Sydney

We focus on practical layouts, natural light, airflow, and finishes that suit everyday living in the Nepean region.

Rear home extension Penrith – JDS Construction

Rear & Side Extensions

The most common extension type across Western Sydney. We extend out the back or side of your home to create additional living, dining, or kitchen space that flows naturally from the existing house.

Every rear extension is designed to maximise natural light and outdoor connection while matching your existing roofline and materials.

Open-plan living extension Western Sydney – JDS Construction

Open-Plan Living & Dining

Create the connected kitchen-dining-living space your family needs. We remove walls, extend the footprint, and build an open-plan zone designed around how you actually live and entertain.

This is the most transformative extension type — and the one that consistently delivers the strongest return at resale.

Growing Families
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Master Bedroom & Ensuite Additions

Add the master suite your home is missing. We design and build bedroom extensions with walk-in robes and ensuites that feel considered and spacious — not like an obvious add-on.

Ideal for growing families or homes where an extra bedroom would make the biggest difference to daily life.

Family Flexible
Second living area extension Penrith – JDS Construction

Second Living Areas & Family Rooms

A second living space gives your family room to spread out. Whether it's a media room, kids' playroom, or separate lounge, we build additions that add genuine daily flexibility to your home.

Seamless Build
Single-storey home extension Penrith – JDS Construction

Single-Storey Extensions

Our speciality. Single-storey ground-level extensions that integrate seamlessly with your existing home — matching rooflines, brickwork, and finishes so the addition looks like it was always part of the original build.

JDS – Granny Flat Process

Your Home Extension Build — From First Call to Handover

A clear, structured process so you know exactly what to expect at every stage.

1

Free On-Site Consultation

We visit your property, assess your home, discuss your extension goals, and provide honest advice on what's possible. No pressure, no obligation.

2

Design & Quote

We develop your extension plan — layout, materials, finishes. You'll see exactly what's included, how long it will take, and what it will cost. Fixed-price quote before anything starts.

3

Approvals & Preparation

We handle council approvals or council DA or complying development certification. We coordinate all trades, order materials, and prepare your site for construction.

4

Construction

Our team works on-site with clear timelines and minimal disruption. You'll have direct contact with Jeremy throughout — no call centres, no runaround.

5

Final Inspection & Handover

We conduct a thorough walkthrough with you before handing over the keys. The job isn't finished until you're completely satisfied with every detail.

JDS – Granny Flats Trust Section

A Local Extension Builder You Can Actually Trust

Proud Member – Master Builders Association of NSW

JDS Construction & Design is a verified member of the MBA, held to the highest industry standards for quality, compliance, and professional conduct across all residential building work.

20+ Years Experience

20+ Years of Building Experience

We've been building extensions and homes across Western Sydney for over two decades. That experience means fewer surprises, tighter timelines, and an extension built to last.

Family-Owned & Operated

JDS is not a franchise or a faceless corporation. You deal directly with Jeremy and the team from day one. Your home extension gets the personal attention it deserves.

Licensed, Insured & Compliant

Every home extension is delivered by licensed tradespeople, fully insured, and built in accordance with the Building Code of Australia and relevant NSW regulations.

Western Sydney Locals

We live and build in the Penrith, Blue Mountains, and Hawkesbury regions. We understand local council processes, soil conditions, building styles, and what works across Western Sydney properties.

Quality & Time-Efficient Delivery

We provide realistic timeframes upfront and stick to them. No dragged-out builds, no surprise costs, no disappearing trades.

Google Reviews

What Our Customers Say

Real feedback from Western Sydney homeowners who trusted JDS with their home extensions.

4.9Google star 1Google star 2Google star 3Google star 4Google star 5
4.9Google star 1Google star 2Google star 3Google star 4Google star 5
Top Rated Service
Verified by Trustindex
Top Rated Service
  • 4.9 Excellent rating Last 12 months
  • Verified by Trustindex Based on real customer reviews Learn more
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Michelle profile picture
Michelle
184 days ago
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+0
From the first meeting to the final result, Jeremy exceeded my expectations in every way. Jeremy and his team of tradies renovated my outdoor alfresco area into an indoor dining room, transforming my small lounge/kitchen into a beautiful open‑plan lounge, dining, and kitchen space. From the moment I bought my house, I knew I wanted to enclose the alfresco to better utilise the space. Wanting to stay local, I obtained the standard 3–4 quotes, and choosing Jeremy from JDS Construction was an easy decision. His knowledge, genuine interest in what I wanted to achieve, and helpful suggestions (including ideas other builders hadn’t considered) really stood out. Communication throughout the build was excellent — Jeremy patiently answered my many questions and kept me informed every step of the way. He was on time every day, respectful of my home, and always left the site clean and tidy at the end of each day. The end result completely blew me away. Saying I’m happy with the workmanship is an understatement, and the project was even completed ahead of schedule. I couldn’t be happier. I would absolutely recommend JDS Construction to anyone considering a renovation or build.
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Edward Sing profile picture
Edward Sing
203 days ago
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Highly recommend JDS Construction for professional repair work done on our balconies' floorings and overhead beams. We're also extremely happy with the patio roofing completed with lighting. Thanks Jeremy and Mic!
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Fat Denz profile picture
Fat Denz
204 days ago
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+4
Thank you Jeremy and your wonderful team of tradies. Thank you, thank you, thank you. We added a balcony to our first floor main bedroom. The results are brilliant. We cannot praise Jeremy and his team of tradies enough. All of Jeremy's ideas were excellent. We took them all on board. Much grander ideas than we actually had and all so achievable. All the problem solving along the way ALWAYS benefited us and the job. Nothing was too hard or too tricky. Electrical, Tiling, waterproofing, roofing, balustrading, glazing/sliding doors and of course structural. All on time and EXACTLY as quoted. All finished to an exceptional standard. Nothing was too much trouble. Nothing. Communications were excellent! Always keeping us in the loop and giving us an end of day summary each day, with expected plans for tomorrow and the week. Excellent tradesmen, delivering excellent results. And to a man, very respectful to my family and our home. First class people providing first class results. Impossible for us to accurately express our gratitude in just one review like this. Thank you, Jeremy. We LOVE it.
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Geoff Eldering profile picture
Geoff Eldering
206 days ago
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Used JDS construction for our extension on the house and Pergola Had several quotes and face to face meetings but the ease at dealing with Jeremy and his knowledge and explanation of the best way to do my job we had no hesitation in giving him our work As we had a budget to work with JDS quotes were more than reasonable We also went with a local tradesman to support our local community His workmanship is of a excellent standard If your looking for a professional tradesman We highly recommend this Company for any of your projects!
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Dylan McInherny profile picture
Dylan McInherny
207 days ago
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Great Craftsmanship and Price on our granny flat, Jeremy was great with communicating with us and his trades throughout the entire process. Highly Recommend
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Paul Orland profile picture
Paul Orland
207 days ago
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Well mannered gentleman who done at great job at a price
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David Mylonas profile picture
David Mylonas
207 days ago
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Jeremy at JDS Constructions has done many projects over the years for me including 3 bathroom renovations , pergola repairs , a pool machinery enclosure and other minor jobs . He is a friendly ,professional builder whose prices are reasonable and his work is of the highest quality . I have always been very happy with all that he has done for me .
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Brett Power profile picture
Brett Power
208 days ago
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Jeremy and the team exceeded our expectations from planning to execution of our renovations, he went above and beyond ensuring our project was delivered on time and within budget. Jeremy and the team were very professional with a wealth of knowledge. I will be engaging JDS for future projects and recommending Jeremy and the team to friends and family. Best ever experience, hassle free excellent level of service.
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Mike A profile picture
Mike A
208 days ago
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We recently had a house extension completed by JDS Construction & Design and couldn’t be happier with the result. From start to finish, the whole process was well organised and stress-free. The team was professional, easy to deal with, and kept us informed every step of the way. The quality of the workmanship really stands out, and the attention to detail exceeded our expectations. The extension has completely transformed our home, giving us more space while blending seamlessly with the existing structure. Highly recommend JDS Construction & Design to anyone considering a renovation or extension.
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anne fahey profile picture
anne fahey
472 days ago
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Jeremy and his team are second to none. We had a bathroom renovation and our back verandah rebuilt and I cannot recommend JDS Construction and Design enough. Jeremy’s standard is of the highest quality and yet affordable. And it would be remiss of me not to mention Jeremy is a true gentleman, genuine and sincere good guy, focussed and conscientious with his work - someone you could absolutely 100% trust with your home. My husband and I are thrilled with our renovations, we could not be happier. If you are thinking of any work to your home, I highly, highly, highly recommend Jeremy Starr, JDS Construction and Design. Anne Fahey & Greg Kinsela
JDS – Granny Flats Service Area

Home Extension Builders Across Penrith & Surrounding Suburbs

We build home extensions throughout Penrith and a 25km radius, including:

  • Penrith
  • Glenmore Park
  • Jordan Springs
  • Emu Plains
  • St Marys
  • Cranebrook
  • Orchard Hills
  • Kingswood
  • Caddens
  • Werrington
  • Claremont Meadows
  • St Clair
  • Erskine Park
  • Mulgoa
  • Jamisontown
  • South Penrith
  • Leonay
  • Springwood
  • Blaxland
  • Lower Blue Mountains

Our local knowledge ensures your home extension is designed to suit both your property and your area — from council requirements and soil conditions to the building styles and site conditions typical across Western Sydney.

JDS Construction service area map – Penrith and surrounding suburbs
JDS – Extensions FAQ

Frequently Asked Questions – Home Extensions Penrith

Everything you need to know before extending your home with JDS Construction & Design.

Yes. Most home extensions in Penrith require either Development Approval (DA) or Complying Development, depending on the scope of works and your property zoning. We assess your block and extension plans early and guide you through the correct approval pathway.

The cost of a home extension depends on size, design complexity, site conditions, and finishes. As local Penrith builders, we provide clear, upfront pricing based on your specific home and requirements, with no hidden surprises.

Once approvals are in place, most home extensions take several months to complete. Timeframes vary based on the scope of works, weather conditions, and site access. We provide realistic timelines and keep you informed throughout the build.

Yes. Matching the extension to your existing home is a priority. We carefully align materials, rooflines, brickwork, and finishes so the extension feels like a natural part of the original structure.

In many cases, yes. Depending on the type of extension and access requirements, it may be possible to remain in your home during construction. We'll advise you upfront if temporary relocation is recommended.

For many families across Western Sydney, extending is a cost-effective way to gain extra space without leaving the area. A well-designed home extension can improve layout, functionality, and long-term property value.

Yes. We regularly build home extensions on sloping and challenging blocks, including properties in Penrith and the Lower Blue Mountains. Each site is assessed individually to ensure a practical and compliant design.

Yes. JDS Construction & Design manages the full process, including coordination with designers, approvals, construction, and final handover. You deal with one local team from start to finish.

We build home extensions across Penrith and surrounding suburbs including Glenmore Park, Jordan Springs, Emu Plains, St Marys, Cranebrook, Mulgoa, and the Lower Blue Mountains such as Glenbrook and Blaxland.

The first step is a discussion about your home, block, and goals. From there, we can arrange a site assessment and provide a free, no-obligation quote tailored to your property. Contact us here or call Jeremy on 0416 159 802 to get started.

JDS – Granny Flats CTA

Ready to Extend Your Home?

Whether you're expanding for a growing family, more living space, or a better layout, JDS Construction & Design delivers home extensions built around your home, your budget, and your timeline.

Call Jeremy directly or fill out our contact form for a free, no-obligation on-site consultation. Let's talk about what your home could become.

📞 0416 159 802