Spannenberg and Son Pty Ltd

Spannenberg & Son Pty Ltd is Sydney’s leading home extension building specialist. We are second-generation builders having been established in 1971 we have over 50 years experience specialising in home extensions.

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Are you considering a First Floor Addition renovation?

We take pride in crafting custom first floor additions that seamlessly blend with your existing home.

We respect that each house possesses its own unique charm, our goal is to enhance that character.

By collaborating closely with our homeowners, we ensure our designs align with your vision and complement the existing structure.

With our experience and expertise, you can look forward to enjoying a stunning new space tailored to your needs.

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DESIGNS PLANNING & COMPLIANCE APPROVALS

Blake, our dedicated draftsman, delivers tailored drafting and design solutions to guide your project from concept through to construction. With a strong focus on functionality, compliance, and buildability, Blake works closely with clients to transform ideas into practical, well designed spaces ready for approval and construction.

From initial concept designs and detailed documentation, to planning submissions and council compliance, every stage is carefully managed to ensure a smooth and efficient process. Whether you are building a new home or renovating, Spannenberg & Son provides the experience and attention to detail needed to bring your vision to life with confidence.

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This month, we’ve been showcasing our current project at Castle Cove — taking you behind the scenes with a full walkthrough of the build and sharing the design decisions, functionality, and material selections that bring the home to life.

From natural light, shade and weather protection to ceiling heights, air conditioning, and thoughtful floorplan layouts, every detail has been carefully considered. We’ve also explored standout features including the Japanese-style bath, skylights, Juliette balconies, and feature windows — this project truly has it all.

Follow along on our socials as we continue to share insights, progress updates, and the inspiration behind the renovation.

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After successfully managing our sites as a Leading Hand, Daniel will now be stepping up to manage our projects as a Project Manager for our Campbelltown office. This progression reflects his strong leadership, reliability, and commitment to delivering quality outcomes on every job.

Daniel has played a key role in guiding teams and maintaining high standards, and we’re confident he will bring the same dedication and expertise to his new position.

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We’re pleased to announce an exciting new chapter for our team.

Please join us in congratulating Patrick on his new role as Branch Manager for our Campbelltown office. This well-earned promotion reflects his dedication, expertise and the positive impact he has already made within our business.

We’re confident that Patrick will continue to drive success and bring great value in this new position, and we look forward to seeing him lead the Campbelltown team into the future.

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We are nearing completion of this project. From a 90s red brick home to modern design statement in Castle Cove.

The existing second storey was cut off, completely gutted the existing ground floor and rebuilt the first floor creating a completely new modern home.

A huge transformation by the Spannenberg & Son team.

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Our new office fitout is complete.

You can now find our Director Scott at our new additional office servicing the Camden / Wollondilly region.

Unit 2/7 Maxwell Place Narellan 2567.

#spannenbergandson #since1971 #designandconstruct #Designandapproval#sydneybuilder#camdenbuilder#narellanbuilder#wollondillybuilder#homerenovationspecialists#HomeRenovation

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Our Currans Hill first floor addition project is taking shape and edging closer to completion!

The new first floor addition is just the beginning of this project! By the time we’re done the whole home is going to be brand new.

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We pride ourselves on Genuine Service & Quality Workmanship.

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Completed project! - Balgowlah

Our objective was to optimize the internal configuration of the current residence.

Starting with the demolition of three existing extensions, we constructed a new extension at the back of the property.

Our design facilitated the relocation of the kitchen and an open-plan dining area, an updated living room, two bedrooms/study, and a new bathroom. We incorporated ample storage, new flooring throughout, feature skylights above the beautifully designed new kitchen, and enhanced the entrance with new fencing and gates. Check out our socials for the full gallery.

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Reflecting Spannenberg & Son's heritage

Although we have numerous trucks and utilities in our fleet, which you would have seen on the road, this one is a standout!

This is our promo ute a 1951 Chevrolet

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Completed project! – Bilgola Plateau

We designed a first floor addition for this house to seamlessly blend with the original classic cottage style home preserving and enhancing its existing charm.

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Providing an additional 3 generously sized bedrooms including a master suite with walk in robe and ensuite, an additional bathroom, a huge living space and plenty of additional storage.

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The open plan layout with high ceilings and feature floor to ceiling windows illuminate the space with sunlight whilst delivering views that stretch across Pittwater and surrounding bushland.

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We utilised an existing study room on the lower level located off the front balcony to position the staircase.

The existing French doors leading from the balcony combined with the open void of the staircase flood the Interior with natural light creating a beautiful calming addition to the home.

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This property was identified as being in a bush fire zone therefore adding to the complexity of our design and construction requirements. The bushfire ratings of Flame Zone at the rear and Bushfire Attack Level 40 rating at the front meant upgraded windows, fire rated roller shutters, fire-resistant materials incorporated in the build structure & roofing and specialised insulation were required.

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Our design also offers an opportunity for multi-generational living. The home now provides 3 bedrooms on the ground floor including a master suite with the additional 3 bedrooms including another master suite on the first floor.

The vast space included in the addition allows for the inclusion of a table setting and independent living.

The staircase placement also strategically allows for a separate external entrance to first floor.