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Second Storey Additions from 220k

We love building Second Storey Additions because our clients are always so happy with the result at the end of their project.

There are so many reasons why a Second Storey Addition makes sense.  The biggest benefit is the addition of more space, while also retaining your backyard for entertaining, children’s play areas, a pool, a garage or even a veggie patch.

If you can gain views from a Second Storey then this is a fantastic added bonus. Whether your view is of parklands, a lake, the ocean, across the city or simply provides a lovely outlook, then we can ensure that our designer maximises this benefit with a well thought-out second storey design.

Second Storey Addition and new pool in North Perth home addition, perth renovations builders, renovation builders perth

North Perth second storey additon with undercover alfresco and a resort style pool and pool room off to the side.


Adding Value with a Second Storey Addition

A quality 2nd Storey Addition will add considerable value to your home. At some point in the future when you sell, your home value will have grown, and you will get a nice return on your investment. This means you are set to benefit from adding your double storey addition both now, and in the future too.

Second storey addition with extra kids bedrooms

In this second storey addition, both the parent’s bedrooms and all children’s bedrooms were designed to be in the top storey and downstairs had multiple living areas.

Space for all of the Family

The most common reason for homeowners to opt for a second storey addition is because of the need for more space for a growing family.

Perhaps your kids are heading into their teenage years (or soon will be!) and need more space?

Maybe you need a Parent’s Retreat upstairs. A place to get away from it all with a Master Bedroom, Ensuite, Walk-in robe, study and a separate lounge area.

Character Home Second Story rear profile by Amerex Renovations and Additions

Second Storey addition and home extension at the rear – with a new pool too!

Before and After Second Storey Addition in Inglewood

In the before pic Steve can be seen measuring how far the home and second storey will extend out to.


For other families, a second storey addition is a great way to facilitate an extended family living arrangement, OR maybe you simply need MORE space!!!


Whatever your reason, we will can design and build a 2nd Storey Addition that will meet the needs of your family both now, and for many years to come.

How long does it take to build a Second Storey?

A second storey addition can be built in as little as 4 months. This includes completely fitting it out with all electrical work, plumbing, new staircase, bathroom cabinets, fixtures installed, walk-in robes, flooring, painting thoughout and more. If you are also extending the ground floor e.g. with an open plan living extension and a new afresco, then the scope of works is greater and the timeframe will be longer as a result.

Amerex use professional project management software to manage all projects and have a perfect record of delivering projects on time. At the start of your project we will schedule your entire project and provide you with an accurate completion date.


Custom Built with Superior Quality

At Amerex, we stand by our commitment to quality and with second storey additions there are a number of key factors to consider.


Because we custom-build, all joins between the top and the bottom are perfectly aligned. Recently in Perth, some builders have start to promote the ‘drop-in box on top’ concept. While this idea is interesting, it is very difficult to add a modular second storey onto an existing home and expect it to line up exactly square. This means that the top and the bottom will potentially need patching and fixing to marry the top and the bottom. This has the potential to ruin the look and finish of your home and even devalue your home if done poorly.


Before and After second storey addition in Mt Lawley

A stunning second storey addition and home extension in Mt Lawley.


For this reason, Amerex stick with the approach that provides the best quality outcome – custom-building. We want your home to be built of a standard that will add value over time with a high quality finish that will stand the test of time and look good too.


Read more about prefabricated second storey additions here, where we debunk many of the claims currently being made! Including the claim that a top storey can be added in one day. This is simply an advertising gimmick. Even once the box is craned in (after the roof has been removed and required demolition has taken place – there is a couple of weeks of work right there), the challenge of joining begins and then the process of fitting-out must commence. This clearly is more than a one day project!! Don’t be fooled. Opt for a quality solution and add value to your home.

Top Storey addition to character home in Mt Hawthorn

Second Storey Addition Inspiration in Daglish

Character Home Second Story rear profile by Amerex Renovations and Additions

Second Storey addition and home extension at the rear – with a new pool too!

We completed a Second Story Addition and Home Extension for Brenton and Jacqui in Daglish. This is what they had to say…

“We have just completed a major renovation with Steve and the AMEREX team. We had a 1930’s California bungalow and required the character at the front to be maintained whilst adding almost an entire new house to the back including a second storey.



We have built twice before, both new homes one with larger builders. The difference between that and our experience with AMEREX was astounding. This was actually an exciting and pleasurable experience throughout.

We never felt like just another number…


“Rather than a number or just “another” client, we were made to feel part of the AMEREX family. The office staff are a pleasure to deal with, nothing is ever too much effort. Kelly in particular is a great help with all the various selections and changes and is always smiling!


We did not have an issue with a single tradesman throughout. I was able to speak to Steve at any time regarding any issue and many times he would suggest changes on site to improve the look or function of the renovation. We could not recommend AMEREX highly enough.”

Brenton and Jacqui Seymour, Daglish



Fixed Price Quotes on Drawings

Do you already have Drawings for your Second Story Addition? We can provide a Fixed Price Quote to Build your 2nd Story Addition project. See Quote and Build.

Are you ready to start discussing Home Addition Design Ideas?

We help turn your ideas and requirements into a functional Second Story Addition design to meet your requirements. Learn More about our full end-to-end service: Design, Plan and Build.

Home Extension Plans and plannin


If you would like more information about any of our services contact us today

t:(08) 9227 1822   e:info@amerex.com.au

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A member of the Amerex team will arrange a time to discuss your
home renovation project and assess what stage you are at in the building process.

PO Box 115, Osborne Park WA 6917
ABN: 67 009 252 680   Builders Registration: 10250


1/171-173 Main St, Osborne Park WA 6017

PO Box 115, Osborne Park WA 6917

t: (08) 9227 1822
e: info@amerex.com.au

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MBA Member Amerex Renovations and Additions 

HIA Member Amerex Renovations and Additions

Google Reviews

Amerex Renovations and Additions
Based on 17 reviews
powered by Google
Graham Crooke
Graham Crooke
07:24 06 Jun 20
I can't say enough good things about this company! Everyone on the team was extremely professional, but also friendly and easy to deal with. Communication by them was first rate. We gave them approved architect plans for addition to our home and they quickly responded with a well-thought-through bid that was very competitive in price. As soon as we agreed on the contract, they were very quick to get started, and then built exactly what was in the plan, making only a couple of (clearly communicated) changes to increase strength and reduce cost. Subcontractors showed up when promised and were very friendly, as well as tidy with their work, cleaning up at the end of each day and doing a general cleanup at the end of the week (we lived in the rest of the house during construction). The work was completed a very high standard. They also helped with some other repairs around the house (like fixing a gutter that flowed down a wall rather than the down-pipe). The project was completed on time and on budget. They are very nice people and were a pleasure to work with. I recommend them highly and would definitely hire them again!
Garth Mason
Garth Mason
12:29 03 Feb 20
We can recommend Amerex without hesitation. Steve Burke & his team really do produce renovations of the highest quality and standard. Their many Master Builder and HIA awards demonstrate this and look at any of their online case studies and you'll see why Amerex have such an A+ reputation. We contracted Amerex to design, manage and build our character home renovation and 2 storey addition. It was, in Steve's words, "a big job" and took 14 months from demolition to completion. What sets Steve apart is his attention to detail and his integrity, and that of his contractors and staff. Whatever you have signed on for is what Amerex will take great pride in delivering. And even post-build, the customer service is still outstanding. We couldn't be happier with the end result. - Garth & Shelley Mason
Natasha Sealey
Natasha Sealey
13:23 28 Jan 20
We are really happy with the quality of the work done by Amerex. Everyone comments on how fantastic our place looks and how seamlessly the renovations integrate with the existing house. They have a great team who go above and beyond and are lovely to work with. We may even renovate again one day.... :)
Karen Simpson
Karen Simpson
14:32 07 Jan 20
Amerex recently completed a renovation/extension for my parents and the experience was positive from start to finish. We initially discussed the brief with a number of builders and decided to sign up with Amerex as we felt we could trust Steve and his team. It was absolutely the right decision. Steve insisted on good 'old fashioned' service, honesty, integrity, quality products and exceptional craftsmanship from all involved including Amerex team members, designers, tradespeople and suppliers. Everyone was polite, punctual and respectful of the neighbours. As the build progressed, Amerex's reputation became evident. Suppliers, tradies and designers all spoke highly of Steve and commented on the exceptional quality of his renovations and extensions. This was reassuring. Members of the Amerex team were outstanding from the outset. They all went above and beyond what was expected to address any concerns we had, to initiate changes when required and to ensure that the build was on time and on budget. Post completion customer service has also been exemplary. Nothing was ever too much trouble and Kelly's ongoing coordination and responses continued to be prompt and friendly. Mum and Dad love their 'new' home and couldn't be happier with the end result. The old and new sections of the house blend seamlessly and they are continually receiving comments from neighbours, family and friends about how beautiful the house has become. We can recommend Amerex without hesitation.
Cymbie Burgoyne
Cymbie Burgoyne
01:41 17 Jan 19
I was fortunate to have Steve, Kelly and the team at Amerex build my extension. Their's is a professional, highly skilled, approachable business with exacting standards and the ability to work with you from the planning stage to completion. This professionalism extends to all who come on site. Kelly's capable and warm project management ensures that everything runs like clockwork and all your queries are dealt with extreme efficiency. Very Happy!
Laila Gizzarelli
Laila Gizzarelli
07:11 19 Dec 18
We completed our first home renovation in North Perth with Amerex last year. We were undertaking a large two storey renovation of our dream home and the decision to choose Amerex came down to the high level of professionalism, expertise, excellent customer service and vast knowledge that Steve and the team displayed in character home renovations. We had not renovated in the past and we were very unsure of the process however Amerex staff spent a lot of time assisting us with the design process, they were always available to answer our enquires, provided valuable suggestions, were extremely patient and completed our project ahead of schedule. We would highly recommend Amerex as we have ended up with a beautiful home that displays excellent workmanship and a highly functional design. The home is exactly as we imagined it to be and our family and friends have all complemented on the amazing final result. We thoroughly enjoyed the building process with Steve and the highly skilled Amerex team and extend a big thankyou to all the staff who helped us along the way( Kelly, Loretta, Maryanne and Pete !)
Eric Trevaskis
Eric Trevaskis
06:21 11 Dec 17
It was an absolute pleasure to deal with the Amerex team for our home renovation. From Steve Burke the office staff & the various tradespeople, we received exceptional customer service. The skilled tradespeople were reliable, obliging & committed to the highest level of quality on our home. NOTHING was too much trouble. Steve, Pete (the foreman ) & the office staff, especially Kelly, were always available either on the phone or on site if we had any queries. We knew we could always make direct contact with them & that any queries would be quickly resolved. We felt that we received a very personal & professional service from the Amerex team. Amerex came in on budget, they completed the work earlier than scheduled & they ensured our renovation ran smoothly throughout. Thank you Amerex. We love our "new" home and our family and friends are amazed at the transformation. We would wholeheartedly recommend Amerex. Eric & Kristine Trevaskis. .
Jacqui Seymour
Jacqui Seymour
05:52 09 Aug 17
AMAZING experience. We have just completed a major renovation, and over 18 months dealing with Steve and the AMEREX team. We had a 1930's California bungalow and required the character at the front to be maintained whilst adding almost an entire new house to the back including a second story. We have built twice before, both new homes one with larger builders. The difference between that and our experience with AMEREX was astounding. This was actually an exciting and pleasurable experience throughout. Rather than a number or just "another" client, we were made to feel part of the AMEREX family. The office staff (Loretta, Kelly and Maryanne) are a pleasure to deal with, nothing is ever too much effort. Kelly in particular is a great help with all the various selections and changes and is always smiling! We did not have an issue with a single tradesman throughout. And finally Pete (working foreman) and Steve (owner) are the most hands on, professional and customer focused we have ever met. I was able to speak to either at any time regarding any issue, many times Steve would suggest changes on site to improve the look or function of the renovation and Pete can do it all. No variation fees, complete flexibility, great workmanship direct line to the owners/supervisor, quality finish. We could not recommend AMEREX highly enough. Brenton and Jacqui Seymour Daglish
Rachel Green
Rachel Green
03:57 04 Aug 17
Amerex carried out a large renovation for us in 2015; almost a year-long project. Amerex, lead by Steve, have clearly been in the building industry a long time and offered valuable input and guidance prior to, and during the build. They used skilled tradespeople and quality materials; no corners were cut and I felt confident that the build was of the highest quality. Steve and his team communicated frequently with me along the way and I was involved at every step. I felt comfortable approaching him if I had any questions or concerns, he was always available and acted quickly to resolve any issues. The team at Amerex were reliable, professional and a pleasure to deal with. In particular Kelly, who would often go ‘above and beyond’, was always positive, and nothing was ever too much trouble. People who visit our home always comment on the finish and quality of the build, most believing it’s a new home and not a renovation. I will definitely use Amerex again, and would be happy to recommend them.
Phillip Madden
Phillip Madden
02:52 24 Nov 16
From the first meeting with Loretta from Amerex until the final check we have enjoyed the experience with Amerex. They have taken our words and ideas and built them into a quality finished extension that is functional and everything that we had hoped for. The entire team at Amerex lead by Steve are friendly, reliable, use quality materials and produce a quality outcomes. Our extension has the “wow” factor and guests comment on the exceptional open plan design that is built to entertain. We are very happy with the final finish and would highly recommend them to anyone.
Christine Tonkin
Christine Tonkin
09:05 24 Oct 16
The renovation of our home was its third reincarnation as it was originally a very ordinary rectangular 1950s Roman Catholic outpost church which we turned into a house on a tight budget in the late 1980s. As is usually the case, this current renovation was very significant and emotional for me and my family but more unusually, I was living overseas for almost all of the time the renovation was undertaken. We wanted a home that would comfortably accommodate our family and overseas and interstate visitors, provide a focus for entertaining a crowd, as well as being low maintenance and energy efficient. We selected Amerex as our builder because Steve Burke and his very competent team gave our family the confidence that they could be trusted to undertake this renovation professionally and sensitively including communicating progress every step of the way. Steve and his team took our conceptual design and made our vision a reality in very quick time with practical completion of this major renovation within 7 months of the start date. The site supervision was tight which meant that the work progressed easily between the various trades. What is more, the estimated cost of the job was accurate with variations only to suit changes that we required. The outcome was a home that delivers so much more than we expected in terms of comfort, quality and our initial objectives. It was a real pleasure to deal with Steve and his team. I would not hesitate to recommend Amerex to anyone who needs the services of a truly professional builder/renovator.
Dona Mecham
Dona Mecham
04:07 11 Oct 16
This is the first renovation/building undertaking we have experienced and we cannot speak highly enough of the quality Amerex provided. The project design was flawless, and we were extremely impressed with the marrying of the old and new. The attention to detail provided by Steve and his team was outstanding and our friends and family are quick to note this. We love the extra space and seamless flow of our family home. The Amerex commitment to using quality trades and ensuring the trades delivered on time and rectifying issues, was present throughout the building of our home. This gave us great peace of mind and for these reasons we would not hesitate to recommend Amerex.’
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