You already own a luxury home...
Create the home of your dreams that truly reflects the life you’ve built and speaks to who you really are
...Without managing multiple contractors
Click The Button Below To Secure A Free 60-Minute Private Renovation Consultation & See How Your Home Can Be Renovated To Reflect Your Luxury Lifestyle. If We’re Not The Right Fit, We'll Guide You On The Best Next Step.
LIMITED AVAILABILITY
Commerce Square, 39 Rivonia Rd, Sandhurst, Sandton
Proven Track Record
20+ Years Building Dream Homes
Unique Excellence
Design-led renovations
Decades Experience
Decades of Combined Experience
Excellence Start To Finish
World-class Execution From Start To Finsh
Start To Finish
True Turnkey Construction
You Dream It. We Achieve It!
Imagine living in a home that finally feels complete… A home where the layout works perfectly, the finishes feel intentional, and every space supports how you actually live.
Imagine a home you’re proud of, not just because it looks good, but because it feels right. That’s the experience most homeowners like you want.
But instead, many people end up stuck with a house that’s almost there… A house where the flow isn’t quite right, and certain rooms feel compromised.
And the worst part? Every attempt to improve things introduces new frustrations: more decisions, more contractors, more risk.
We’ve seen this too many times in our 20+ years of building dream homes.
What you really need is clarity and confidence in the entire renovation process – from start to finish.
You need a clear plan, an accountable team, and the peace of mind knowing that your vision will come to life.
With a design-led, fully managed renovation approach, that becomes possible…
With Summersun, everything will be aligned from the start – from how you want to live, to how the home is designed, to how it’s executed on site.
For us, it’s not about building or renovating a house…
It’s about designing and executing your dream way of living. From the very beginning, we consider design, cost, construction, and your lifestyle to eliminate the gap where most high-end projects fail.
Everything is handled by one integrated team of designers, architects, builders, and executors who own the entire outcome. This ensures that every design is grounded, realistic, and buildable.
You make one decision, give one brief, and the rest is fully managed end-to-end by experienced construction project managers. No coordination, no chasing, and no stress.
Just a complete, done-for-you process that delivers the renovation you envisioned without compromise.
We bring the home you’ve been dreaming of to life without the chaos, uncertainty, or compromise that typically comes with high-end renovations. To get started with Summersun, all you have to do is…
Book A Free 60-Minute Private Renovation Consultation
This is a focused, one-on-one session designed to assess your home, your goals, and what it would realistically take to achieve the outcome you want. Here’s what to expect in this session:
Free 60-Minute Private Renovation Consultation
A one-on-one, design-led consultation focused on understanding how your existing home could be reworked to better reflect how you live today. This session explores what is no longer working, what you want your home to become, and whether a considered renovation is the right next step… All before any design or construction commitment is made.
On-Site Consultation and Feasibility Assessment For Qualified Propsects
A site visit to assess flow, layout, spatial constraints, and key structural considerations. This allows guidance to be grounded in the realities of your home, ensuring that the ideas discussed are practical, achievable, and aligned with what is possible on-site.
Discounted Look & Feel Visualisation (Valued at R50k)
Following the consultation, if we are a good fit, Summersun prepares a custom Look & Feel presentation for your home. This includes professional design thinking to visualise the overall direction of the project, helping you see the potential of your space before moving forward. Detailed designs and technical drawings remain part of the full project phase.
Expert, Grounded Guidance
Because Summersun designs and executes projects end-to-end, all guidance is realistic and buildable. You receive clear input on layout improvements, functional upgrades, and renovation opportunities, informed by real construction and execution experience.
The Iron-clad Right-Fit Guarantee
If after the consultation either party feels Summersun is not the right fit, there is no obligation to proceed. You will be advised honestly on the most sensible next step based on your needs and priorities.
Book A Free 60-Minute Private Renovation Consultation
This is a focused, one-on-one session designed to assess your home, your goals, and what it would realistically take to achieve the outcome you want. Here’s what to expect in this session:
Free 60-Minute Private Renovation Consultation
A one-on-one, design-led consultation focused on understanding how your existing home could be reworked to better reflect how you live today. This session explores what is no longer working, what you want your home to become, and whether a considered renovation is the right next step… All before any design or construction commitment is made.
On-Site Consultation and Feasibility Assessment For Qualified Prospects
A site visit to assess flow, layout, spatial constraints, and key structural considerations. This allows guidance to be grounded in the realities of your home, ensuring that the ideas discussed are practical, achievable, and aligned with what is possible on-site.
Complimentary Look & Feel Concept (Valued at R50k)
Following the consultation, if we are a good fit, Summersun prepares a custom Look & Feel presentation for your home. This includes up to eight hours of professional design thinking to visualise the overall direction of the project, helping you see the potential of your space before moving forward. Detailed designs and technical drawings remain part of the full project phase.
Expert, Grounded Guidance
Because Summersun designs and executes projects end-to-end, all guidance is realistic and buildable. You receive clear input on layout improvements, functional upgrades, and renovation opportunities, informed by real construction and execution experience.
Right-Fit Guarantee
If, after the consultation and Look & Feel stage, either party feels Summersun is not the right fit, there is no obligation to proceed. You will be advised honestly on the most sensible next step based on your needs and priorities.
A Home That Matches the Life You’ve Built
At a certain stage, your home should reflect the life you have worked hard to build. When it no longer does, the gap becomes hard to ignore. The space feels dated, the layout feels inefficient, and the experience of living there no longer matches your standards.
A considered renovation allows your home to evolve with you. It brings your space up to the level of comfort, quality, and refinement you now expect, creating a home that feels aligned with who you are today.
A Home That Matches the Life You’ve Built
At a certain stage, your home should reflect the life you have worked hard to build. When it no longer does, the gap becomes hard to ignore. The space feels dated, the layout feels inefficient, and the experience of living there no longer matches your standards.
A considered renovation allows your home to evolve with you. It brings your space up to the level of comfort, quality, and refinement you now expect, creating a home that feels aligned with who you are today.
Modern Living That Actually Works
Many homes were designed for a different time and a different way of living. Poor flow, awkward spaces, and impractical layouts are frustrating… Especially when your life now requires flexibility, comfort, and functionality.
A modern, design-led renovation rethinks how the space works as a whole. The result is a home that feels intuitive and effortless… A home that supports how you live, work, relax, and move through your space every day.
Modern Living That Actually Works
Many homes were designed for a different time and a different way of living. Poor flow, awkward spaces, and impractical layouts are frustrating… Especially when your life now requires flexibility, comfort, and functionality.
A modern, design-led renovation rethinks how the space works as a whole. The result is a home that feels intuitive and effortless… A home that supports how you live, work, relax, and move through your space every day.
A Home You’re Proud to Live In and Host In
A home should be a place you are proud of, both privately and socially. When entertaining feels awkward or certain spaces hold you back, it limits how you enjoy your own home in the company of others.
A lifestyle-focused renovation creates spaces designed for connection and ease. It transforms your home into an environment that feels welcoming, comfortable, and enjoyable to live in. Hosting will finally feel natural rather than forced.
A Home You’re Proud to Live In and Host In
A home should be a place you are proud of, both privately and socially. When entertaining feels awkward or certain spaces hold you back, it limits how you enjoy your own home in the company of others.
A lifestyle-focused renovation creates spaces designed for connection and ease. It transforms your home into an environment that feels welcoming, comfortable, and enjoyable to live in. Hosting will finally feel natural rather than forced.
One Partner
Who Handles Everything
Renovations are stressful when the responsibility is fragmented between multiple service providers. Managing designers, builders, and contractors all from different companies creates uncertainty and puts you under unnecessary pressure.
Working with one integrated turnkey partner simplifies the entire process. With a single team responsible for design, construction, and execution, the experience becomes calmer and more predictable. Ultimately, it allows you to enjoy the final product without being involved in the complexity.
One Partner
Who Handles Everything
Renovations are stressful when the responsibility is fragmented between multiple service providers. Managing designers, builders, and contractors all from different companies creates uncertainty and puts you under unnecessary pressure.
Working with one integrated turnkey partner simplifies the entire process. With a single team responsible for design, construction, and execution, the experience becomes calmer and more predictable. Ultimately, it allows you to enjoy the final product without being involved in the complexity.
Our Story
Lou and Arlene Rottanburg bring almost 2 decades of combined expertise to Summersun Property Group.
Lou, a former JSE-listed company chairman and corporate financier, partnered with Arlene, a microbiologist with a long-standing passion for property development, to create a high-end residential construction and design firm.
Specialising in luxury homes across styles from Millennium Modern to Neo-Classical, the Summersun Property Group delivers a seamless, one-stop experience.
Arlene’s design studio completes the offering, providing bespoke interior architecture and design that redefines modern luxury through globally sourced and custom-crafted pieces.
For Lou and Arlene, Summersun was never about building houses… It was about creating homes that are thoughtfully designed, expertly executed, and worthy of the lives lived inside them.
If you’re at a point where your home no longer reflects who you are, how you live, or the standard you expect, this is where the conversation should start.
Click the button below to book your private renovation consultation and take the first step toward creating a home that truly matches the life you’ve built.
Our favourite projects
A Reminder of What You Get When You Click The Button Below…
Free 60-Minute Private Renovation Consultation
A one-on-one, design-led consultation focused on understanding how your existing home could be reworked to better reflect how you live today. This session explores what is no longer working, what you want your home to become, and whether a considered renovation is the right next step… All before any design or construction commitment is made.
On-Site Consultation and Feasibility Assessment
A site visit to assess flow, layout, spatial constraints, and key structural considerations. This allows guidance to be grounded in the realities of your home, ensuring that the ideas discussed are practical, achievable, and aligned with what is possible on-site.
Complimentary Look & Feel Concept (Valued at R50k)
Following the consultation, if we are a good fit, Summersun prepares a custom Look & Feel presentation for your home. This includes up to eight hours of professional design thinking to visualise the overall direction of the project, helping you see the potential of your space before moving forward. Detailed designs and technical drawings remain part of the full project phase.
Expert, Grounded Guidance
Because Summersun designs and executes projects end-to-end, all guidance is realistic and buildable. You receive clear input on layout improvements, functional upgrades, and renovation opportunities, informed by real construction and execution experience.
A Reminder of What You Get When You Click The Button Below…
Free 60-Minute Private Renovation Consultation
A one-on-one, design-led consultation focused on understanding how your existing home could be reworked to better reflect how you live today. This session explores what is no longer working, what you want your home to become, and whether a considered renovation is the right next step… All before any design or construction commitment is made.
On-Site Consultation and Feasibility Assessment
A site visit to assess flow, layout, spatial constraints, and key structural considerations. This allows guidance to be grounded in the realities of your home, ensuring that the ideas discussed are practical, achievable, and aligned with what is possible on-site.
Complimentary Look & Feel Concept (Valued at R50k)
Following the consultation, if we are a good fit, Summersun prepares a custom Look & Feel presentation for your home. This includes up to eight hours of professional design thinking to visualise the overall direction of the project, helping you see the potential of your space before moving forward. Detailed designs and technical drawings remain part of the full project phase.
Expert, Grounded Guidance
Because Summersun designs and executes projects end-to-end, all guidance is realistic and buildable. You receive clear input on layout improvements, functional upgrades, and renovation opportunities, informed by real construction and execution experience.
Here’s What Happens Next:
Once you request your consultation by clicking the button below and submitting the form, we will contact you to book a short discovery call. This is a focused Zoom conversation to understand what you want to achieve, answer initial questions, and confirm whether it makes sense to move forward.
If there’s a good fit, a complimentary on-site consultation is scheduled. This visit is led by Arlene and focuses on understanding your home, how you live, and what could realistically be achieved. You’ll receive high-level ideas and direction, without rushing into design or detail.
Following the site visit, the team prepares a tailored look and feel presentation. This includes up to eight hours of design thinking to visualise the direction of the project and bring clarity to the overall concept. This stage, normally valued at R50k, is provided at no cost to help you make an informed decision.
Once the look and feel is aligned, a detailed quotation is prepared. This allows for discussion, refinement where needed, and clear agreement on scope, costs, and expectations before moving ahead.
After approval, the project is fully defined. This may include detailed design development, timelines, and 3D modelling depending on the size and complexity of the project, ensuring everything is clear before execution begins.
With everything agreed, the project moves into execution. Design, construction, and delivery are handled by one integrated team, allowing the process to run smoothly while you focus on enjoying the outcome rather than managing the build.
WHAT OUR CUSTOMERS SAY
A few great words from a few great clients
Summersun was super to work with from concept to final product. Their keen eye and expert design sense are beyond compare. They where such fun to work with as well as being true professionals. I would not hesitate in recommending summersun as an extremely reliable, talented designer.
summersun has provided an excellent design service, this is all inclusive from architectural design, furniture, room layout, and colour selection, comprehensive and complete from idea to implementation. I have found their work and ideas to be creative as well as beautiful. I am proud to recommend summersun for all interior design needs.
summerson did a wonderful job in identifying a clients taste and style and incorporating that into any work they do for you. They had a great sense of colour/style and final vision for any project undertaken. The end result is a masterful culmination of what they envisions as professional designers, and the look and feel desired by the
I cannot express how thrilled we are with the refurbishment and re-build of our home by summersun properties. Their one stop shop offering from design to plan approval to the finished product made the entire process seamless and stress-free. Typically, construction projects can be incredibly chaotic and overwhelming, but from start to finish everything went smoothly. The results were simple brilliant. We are extremely satisfied. With the quality of the work and the Professionalism of the team. If you are considering a re-build or renovation, look no further - our experience proves that the stress of construction projects truly ends here.
Summersun has worked with us on several projects over the past 10 years. Their in house studio, Arlene Rottanburg Design Studio is very creative in their design particularly and in general in use of colours, patterns and textures. Our Group of Companies is extremely satisfied with the results! Besides having their own construction teams, they also have a great network of specialists, which enables them to design invent and execute large projects as well as small. It has been a pleasure to work with summersun, and I am sure we will call upon them again
I am thrilled to tell you about our experience with the renovation of our 30-year-old mansion in Johannesburg. The transtormation was nothing short of remarkable. The whole house was almost re-build .It included a Kitchens, scullery, dining area and tiling. The main bedroom, dressing room and other bedrooms were redone. A major demolition took place of vast areas of the old mansion, making way for a modern and stunning space that is both functional and beautiful. summersun displayed exceptional design nous, craftmanship and attention to detail throughout the entire process which included new interiors furniture and cabinetry, Not only did Summersun handle the demolition seamlessly, but they also incorporated our vision into a design that exceeded our expectations. The communication was clear, the project was completed on time, the experience was amazing and enjoyable with no stress. The services of Summersun come highly recommended for anyone looking to breathe new life into an old home. This renovation, which is almost a re-build, has truly revitalised our home and we coulant be happier with the results.
Summersun was super to work with from concept to final product. Their keen eye and expert design sense are beyond compare. They where such fun to work with as well as being true professionals. I would not hesitate in recommending summersun as an extremely reliable, talented designer.
Summersun has worked with us on several projects over the past 10 years. Their in house studio, Arlene Rottanburg Design Studio is very creative in their design particularly and in general in use of colours, patterns and textures. Our Group of Companies is extremely satisfied with the results! Besides having their own construction teams, they also have a great network of specialists, which enables them to design invent and execute large projects as well as small. It has been a pleasure to work with summersun, and I am sure we will call upon them again
summerson did a wonderful job in identifying a clients taste and style and incorporating that into any work they do for you. They had a great sense of colour/style and final vision for any project undertaken. The end result is a masterful culmination of what they envisions as professional designers, and the look and feel desired by the
I cannot express how thrilled we are with the refurbishment and re-build of our home by summersun properties. Their one stop shop offering from design to plan approval to the finished product made the entire process seamless and stress-free. Typically, construction projects can be incredibly chaotic and overwhelming, but from start to finish everything went smoothly. The results were simple brilliant. We are extremely satisfied. With the quality of the work and the Professionalism of the team. If you are considering a re-build or renovation, look no further - our experience proves that the stress of construction projects truly ends here.
I am delighted to share my experience with Summersun for my kitchen renovation. As a resident of Canada, I had heard wonderful things about their work and decided to explore some of their past projects. I was particularly impressed with the kitchen installations featured in various homes. What truly set Summersun apart for me, was there seamless procedure and the comprehensive solutions they offered, which aligned perfectly with what I was promised during the presentation. I could not be happier with the results. My kitchen has been transformed into a beautiful and functional space. / wholeheartedly recommend summersun to anyone, anywhere in the world. Their dedication to quality and customer satisfaction is unparalleled, making them the perfect choice for any renovation project.
I am thrilled to tell you about our experience with the renovation of our 30-year-old mansion in Johannesburg. The transtormation was nothing short of remarkable. The whole house was almost re-build .It included a Kitchens, scullery, dining area and tiling. The main bedroom, dressing room and other bedrooms were redone. A major demolition took place of vast areas of the old mansion, making way for a modern and stunning space that is both functional and beautiful. summersun displayed exceptional design nous, craftmanship and attention to detail throughout the entire process which included new interiors furniture and cabinetry, Not only did Summersun handle the demolition seamlessly, but they also incorporated our vision into a design that exceeded our expectations. The communication was clear, the project was completed on time, the experience was amazing and enjoyable with no stress. The services of Summersun come highly recommended for anyone looking to breathe new life into an old home. This renovation, which is almost a re-build, has truly revitalised our home and we coulant be happier with the results.
Availability Is Limited
Summersun intentionally takes on a limited number of new projects at any given time.
This ensures senior involvement throughout the process and protects the quality, attention to detail, and execution standards the work is known for. It also means availability is not open-ended.
Consultations are prioritised for homeowners who are actively considering renovation within the next two to four months. Project timing affects feasibility, costs, and scheduling, and delaying often reduces available options rather than improving them.
If you’re serious about creating a home that truly reflects how you want to live, the right time to start is before availability fills up.
Requesting a consultation doesn’t commit you to anything. It simply secures a conversation while space is still available. Click the button below to take the next step.
Your Next Step…
If your home no longer reflects who you are, how you live, or the standard you’ve worked hard to achieve, leaving it as it is will only make you more frustrated. The longer you wait, the more that disconnect becomes part of everyday life.
When you click the button below, you can book a free, private consultation designed to give you clarity about your home’s renovation.
You’ll explore how your existing home could be reworked to suit your lifestyle, receive honest guidance grounded in real execution, and understand whether a renovation is the right move before spending a cent on design or construction.
There is no pressure to proceed. If Summersun is not the right partner for your project, you’ll be told openly and advised on the best way forward. The purpose of the consultation is alignment and confidence, not persuasion.
Because Summersun takes on a limited number of projects to maintain quality and senior involvement, availability is not unlimited. Consultations are prioritised for homeowners actively considering renovation in the next few months.
Click the button below to request your consultation and take the first step toward creating a home that truly matches the life you’ve built.
Your Next Step…
If your home no longer reflects who you are, how you live, or the standard you’ve worked hard to achieve, leaving it as it is will only make you more frustrated. The longer you wait, the more that disconnect becomes part of everyday life.
When you click the button below, you can book a free, private consultation designed to give you clarity about your home’s renovation.
You’ll explore how your existing home could be reworked to suit your lifestyle, receive honest guidance grounded in real execution, and understand whether a renovation is the right move before spending a cent on design or construction.
There is no pressure to proceed. If Summersun is not the right partner for your project, you’ll be told openly and advised on the best way forward. The purpose of the consultation is alignment and confidence, not persuasion.
Because Summersun takes on a limited number of projects to maintain quality and senior involvement, availability is not unlimited. Consultations are prioritised for homeowners actively considering renovation in the next few months.
Click the button below to request your consultation and take the first step toward creating a home that truly matches the life you’ve built.
Frequently Asked Questions
Is the consultation really free?
Yes. The initial consultation is provided at no cost. It’s designed to give you clarity before you commit to design or construction, not to pressure you into a decision.
What happens during the discovery call?
The discovery call is a short Zoom conversation to understand what you’re looking to achieve, answer initial questions, and confirm whether it makes sense to proceed to a site visit. It helps ensure everyone’s time is used properly.
What do I receive from the site visit and consultation?
You’ll receive an honest assessment of your home, high-level ideas around what’s possible, and guidance on how your space could be reworked to better suit how you live. The focus is on direction and feasibility, not detailed design or technical drawings.
Will you share full designs or plans during the consultation phase?
No. Detailed designs, drawings, and technical specifics form part of the paid project phase. The consultation phase is about clarity, alignment, and vision, ensuring the next steps are taken with confidence.
Am I obligated to proceed after the consultation?
Not at all. If either party feels it’s not the right fit, there is no obligation to continue. You’ll be advised honestly on the best next step based on your needs and priorities.
How soon can a project begin if we decide to proceed?
Timelines depend on project scope and current availability. Summersun limits the number of active projects to maintain quality and senior involvement, which is why consultations are prioritised for homeowners looking to renovate within the next two to four months.