CBS Renovation · contractor in het Gooi
Renovation, extensions, stair renovation and roof work in Eemnes and het Gooi – from first survey to handover.
CBS Renovation works as a building contractor in Eemnes and across het Gooi. We carry out house renovation, remodelling, extensions, new build and commercial work, for private home owners as well as for business clients.
Eemnes sits in the province of Utrecht, right against the edge of het Gooi, between Laren, Blaricum and the Eem valley. Its housing varies: old ribbon development along the Wakkerendijk, post-war houses and newer streets towards the polder. What is structurally possible differs from house to house, so we begin with a survey at the property and turn your plan into a quotation that names the work part by part.
If you have moved here from abroad, organising building work in the Netherlands is often the awkward part: separate trades, permit rules and quotations that are hard to compare. We work as a single contractor, an aannemer, so the structural work, the installations and the finishing come from one company, with one contact person and a price agreed before the work starts.

Underfloor heating, insulation and a new bathroom – see the project
The structural work, the installations and the finishing are carried out under one contract. These are the parts we are asked for most in Eemnes.
In a full renovation the house is emptied and built back up: a different layout, new walls and ceilings, new pipework and electrics, and the finishing last. In an older Eemnes property the meter cupboard, the circuits and the pipework nearly always go with it. If the scope is narrower, say one floor or opening up the ground floor, the same project manager stays on it from start to handover.
More about house renovation
Stair renovation, traprenovatie in Dutch, is one of the things we are asked about most in Eemnes, and it belongs to our carpentry and finishing work. After a look at the staircase we set out the options: overlay treads, refinishing the existing stairs or replacing individual parts. On Engweg in Laren we restored and painted the staircase, the balustrade, the doors and the ceiling beams; at Meentweg 62 in Bussum the stairs were clad in PVC to match the floors.
A garden-side extension or a full-width one makes the ground floor usable again. We develop the design, calculate the structure, take care of the brickwork and the shell, and finish the space, including the connection to heating and electrics. At Meentweg 62 in Bussum we built a two-storey extension, with the drawings, the structural calculations and the permit application handled by us.
More about home extensions
A dormer or a raised roof turns a loft into a full floor: we fit the dormer, insulate the roof structure and finish the space as a bedroom, a home office or a bathroom, with heating and sockets in place. On a tiled roof we replace the tiles and the rainwater system. On Talmalaan in Soest a dormer with a raised ridge produced a generous extra bedroom; at Meentweg 62 the roof was retiled and the downpipes renewed in zinc.
A bathroom or a kitchen is renewed inside the renovation: we strip it out, move pipework and electrics, fit ventilation, do the tiling and install the units. Tiling, plastering and fitting run under the same project management, so one element follows the next without you having to coordinate separate trades. In an older house we first check what the existing floor and the drainage can take.
We lay parquet, laminate and tiled floors ourselves, with or without underfloor heating. In a pre-war house that usually starts with floor insulation and work in the crawl space, because those decide what underfloor heating will actually deliver. In two Laren houses from 1913 and 1914 we insulated the ground floor and laid underfloor heating with its controls. In a new extension the pipes go straight into the screed.
More about underfloor heating
Heating, pipework, ventilation and electrics are part of the same contract, from the consumer unit through to a heat pump. Insulation of roof, floor and cavity walls is combined with the rest of the work; insulating without proper airflow can lead to damp, so the ventilation belongs in the same plan. At Meentweg 62 in Bussum the house runs on electricity alone since the renovation, with underfloor heating on every floor.
More about insulation
Tell us what you want to tackle. After a survey at the property you receive an itemised quotation.
+31 34 679 40 57
Work from the towns around Eemnes – Laren, Soest, Bussum and Hilversum – with the year each house was built and what we did.

1914 house in Laren, 133 m², with HR++ glazing, underfloor heating and restored joinery.

Semi-detached house in Soest, 140 m², renovated in 2021 with a dormer and a raised ridge.

1920 house in Bussum, 149 m² before the work, with a two-storey extension and a heat pump.

1957 house in Hilversum, 136 m², with a heat pump, underfloor heating and ten solar panels.

1957 house in Hilversum, 128 m², remodelled in 2021: new electrics and two bathrooms.

1929 house in Hilversum, 143 m², with double glazing, roof insulation and new wooden floors.
Our professional roots go back to 1995, and since then we have completed more than 270 projects for over 850 clients.
Our team counts 75 qualified engineers and tradespeople and we work six days a week, so a large renovation keeps moving.
From the first survey to the handover you deal with one person; lining up carpentry, installations and finishing is our job, not yours.
After the visit in Eemnes you receive an itemised calculation, and we track the budget and the schedule while the work runs.
More than half of our work comes from previous clients or their referrals, and we give a guarantee on the work we carry out.
EXCELLENT
Based on 12 reviews
Posted on Google![]()
Maxim Stepanov13 July 2026Trustindex verifies that the original source of the review is Google.
We engaged this company to replace the gutters on our homes after they collapsed under the heavy snowfall this winter. The work was completed exactly as quoted, delivered on time, and carried out to a very high professional standard. Communication with the Project Manager was clear and responsive throughout, and the entire process was handled with transparency from start to finish. Based on our experience, we would be happy to recommend their services.Posted on Google![]()
Marina Zarth Dias15 June 2026Trustindex verifies that the original source of the review is Google.
CBS did a really good job in renovating our house. The quality of the work was really good, as well as communication was smooth and clear. When unforeseen situations arose they quickly looked for solutions as well. We definitely recommend them and we plan to keep working with them in the future.Posted on Google![]()
Kurtis Kruger12 June 2026Trustindex verifies that the original source of the review is Google.
I can’t recommend CBS highly enough. They completed a full renovation of our main living area and kitchen, along with several smaller projects throughout our home, and the results exceeded our expectations. From the start, they brought professionalism, dedication, and a consistently positive attitude. They put a lot of effort into accomplishing what we wanted while staying within our budget. They worked long days, remained open to feedback, and were always willing to collaborate on questions and small adjustments along the way. What began as a simple idea that we sketched out for them, became a functional space that has truly become the heart of our home. We’re already looking forward to working with CBS again as we continue renovations in the rest of the house.Posted on Google![]()
Maor Uliel11 June 2026Trustindex verifies that the original source of the review is Google.
The CBS team did a big renovation in our house (extension, 2 new dakkapels, new shower and toilet) and we were really happy with their work! We came to them initially with the plans and the things we wanted to do, they give us an honest feedback with some ideas to improvement and we started working together. All along the way, we had a weekly meeting on site, talking about the issues, the next steps and the things needed from both ends to ensure that the progress remain the same. They were really professional and doubling down on the details, making sure that all of our needs are met. The pricing was honest and straight forward. The workers were kind and did a amazing beautiful work, better than what we could have imagine! Our project manager kept a whatsapp group with us, communicating and ensuring a smooth progress. I have no doubt that if I'll renovate a new house, they will be the company I choose.Posted on Google![]()
Marcel Van Gils8 June 2026Trustindex verifies that the original source of the review is Google.
We hebben in 2024 een hele grote verbouwing (keuken een verdieping naar boven) en versterking van de dwarsliggers tussen de draagmuren gedaan met CBS. Het team heeft alles tot in detail keurig afgewerkt en voorzag ook van tips/feedback op de beste oplossingen in ons huis uit 1910. Al met al een top ervaring.Posted on Google![]()
Vincent Veehof6 June 2026Trustindex verifies that the original source of the review is Google.
Great experience working with the full range of disciplines of CBS. They listened carefully to our wishes and executed the renovation in a very efficient and effective way. Would definitely recommend to other and definitely hire for a next renovation project.Posted on Google![]()
Aida Barberena1 June 2026Trustindex verifies that the original source of the review is Google.
An amazing team! Super organized and responsive! Everything came out nice and they were accomodating for everything we needed. Absolutely recommend them!Posted on Google![]()
Besarion Makhatadze19 May 2026Trustindex verifies that the original source of the review is Google.
CBS did a full renovation of my house, including structural changes, electrical work, plumbing, underfloor heating, changing the windows to tripple glass, etc. Everything was done and managed professionally.Posted on Google![]()
Moshe Einhorn19 May 2026Trustindex verifies that the original source of the review is Google.
We had CBS take on a pretty significant renovation in Amsterdam - floors, electricity, plumbing, painting, you name it. They were professional throughout the process, gave us a fair price, and stuck to the agreed timeline. Highly recommend!Posted on Google![]()
Natalia Tepluhina25 February 2025Trustindex verifies that the original source of the review is Google.
I have only good things to say! The whole process was smooth from the start with transparent communication, clear pricing and time estimation and amazing craftsmanship. Every little detail was immediately discussed and addressed. Highly recommended!
Eemnes lies in the province of Utrecht, right on the edge of het Gooi, which puts it in the middle of our working area. Our office is in Breukelen, a short drive away, so an extra survey or a check on site is quickly arranged. Besides Eemnes we work in the neighbouring municipalities and in the adjoining part of the province of Utrecht, six days a week. Every project runs the same way: a survey first, an itemised quotation, and one contact person for as long as the work lasts.
The price follows the scope of the work, the condition of the house and the materials you choose. Taking on a staircase and a bathroom is a different job from stripping a house and changing its layout. We survey the property first, then set out in writing what happens and what each element costs. Any figure we name comes after that visit.
Yes. Stair renovation belongs to our carpentry and finishing work and runs along with the rest of the work in the house. Once we have looked at the staircase we set out the options: overlay treads, refinishing the existing stairs or replacing individual parts. On Engweg in Laren we restored and painted the staircase, the balustrade and the other joinery; at Meentweg 62 in Bussum the stairs were clad in PVC.
Elements like a floor, a staircase, tiling or painting are carried out as part of a project. That works out better and usually cheaper: our people are in the house anyway, the preparation and the clearing up happen once, and the result matches the rest of the house. Tell us what you want to tackle and we will look at how to combine it into one job.
Yes. We fit dormers, raise the ridge where a plan calls for it, and retile a pantiled roof including the rainwater system. At Meentweg 62 in Bussum dormers were fitted, the roof was retiled and the downpipes renewed in zinc; on Talmalaan in Soest a dormer with a raised ridge gave the house a generous extra bedroom. Roof insulation is done within the same work.
It depends on the size, the position on the plot and the rules of the municipality. We check this before working out a plan. For the renovation at Meentweg 62 in Bussum we prepared the architectural drawings, the structural calculations and the construction drawings and filed the building permit application; we do the same for your project.
Yes. In an existing house we first look at the floor build-up and the insulation beneath it, because those decide what underfloor heating will deliver. In two Laren houses from 1913 and 1914 we rebuilt and insulated the ground floor and laid underfloor heating with its controls. In a new extension the heating pipes go straight into the screed.
Yes. Roof, floor and cavity wall insulation is best done during a renovation, while the walls and floors are open anyway. We install a heat pump once the house is ready for one: well insulated, with emitters that work at a low temperature, such as underfloor heating. At Meentweg 62 in Bussum the house has run on electricity alone since, with solar panels on the roof.
No-obligation quote
After a survey at the property you receive an itemised quotation. One point of contact, from survey to handover.
Prefer to call?
Feel free to write down what you are interested in and how we can be useful to you. Please fill out the form. We will reach out to you within 24 hours.