Groundwork: Get a free price quote
Groundwork
Groundwork is an important part of any construction project. It forms the foundation of the structure and ensures that the building stands firm for years to come.
On this page you can learn more about what groundwork involves, why it’s important and what it costs. We can also provide you with a free, no-obligation quote from a contractor in your area.
Get a free quote for groundwork
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Three simple steps to get a quote for groundwork:
1. Send a request
Send us a request with a short description of your wishes and needs.
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2. Receive your free quote
You will receive a free and non-binding price quote from a contractor near you soon after your request has been sent.
Once you approve the price quote, a suitable time for performing the task is scheduled.
3. The task is performed
The contractor will perform the task efficiently, fulfilling your requirements to a high standard of quality.
Entreprenorer.no partners with skilled and qualified contractors all across Norway.
What is groundwork?
Groundwork is the foundation of any successful construction project. It includes all the necessary preparations and measures that need to be taken before the actual construction process can begin. The main goal of groundwork is to prepare the site and ensure a stable and solid foundation for the future construction.
Clearing and grading
An important part of the groundwork is clearing and leveling the site. This involves removing vegetation such as trees, shrubs and roots, as well as excess material such as stones and soil.
The site is then accurately measured and leveled to ensure the correct height and slope according to the building plans.
Excavation and filling
The groundwork also includes digging and filling to achieve the desired topography and load-bearing capacity. This may involve replacing loose or unsuitable materials with quality materials such as crushed stone, gravel and sand.
In some cases, it may be necessary to replace the mass all the way down to the bedrock in order to achieve sufficient stability.
Establishment of infrastructure
Groundwork also includes the establishment of infrastructure below ground level, such as water and wastewater pipes, drainage and cables for power and communication. This requires careful design and coordination to ensure the correct dimensioning, slope and location in relation to the building’s needs.
Foundations
Foundations are a key part of the groundwork, and the choice of foundation method depends on the ground conditions and type of building. Common solutions are sole, strip or slab foundations, but in demanding ground conditions, piling to rock or stable ground may be necessary.
Moisture protection and radon
Other important aspects of groundwork include moisture protection and radon insulation, as well as the preparation of outdoor areas with planting, lighting and surface water management.
Surveys and ongoing control
To ensure successful groundwork, it is important to carry out thorough preliminary investigations of the ground conditions, as well as ongoing quality control and documentation during the process. Professionally executed groundwork is important to avoid settlement damage, ensure the stability of the building and facilitate a smooth construction process.
What does groundwork cost?
The cost of groundwork can vary greatly from project to project, and prices will vary based on the nature of the site and the complexity of the project.
On average, the price for groundwork is around NOK 7,000 per square meter, but it can vary from approx. NOK 3,000 to NOK 12,000 per square meter.
For an average detached house of 150 square meters, you can therefore expect the groundwork to cost in location between NOK 450,000 and NOK 1,800,000. This includes all the necessary site preparations before construction can begin, such as excavation, grading, drainage and any blasting work.
It’s important to note that these are rough estimates and that the final price will depend on a number of factors that are unique to each project. Site conditions play a crucial role and unforeseen challenges such as poor ground or rock can lead to significant additional costs.
To get an accurate price for groundwork, it’s best to get a quote from a contractor based on a detailed description of the project. They will then be able to provide a price estimate based on a thorough assessment of the work required on the specific site.
What can affect the price of groundwork?
Ground conditions
Difficult ground conditions such as rock, clay or high groundwater may require additional work and specialized equipment, which increases costs significantly.Plot size and complexity
Larger plots or uneven terrain require more work and time, which is reflected in the price. Complex projects with many details will also be more costly.Accessibility
Sites with difficult access for machinery and equipment can lead to increased costs and longer project times.Mass handling
The amount of material that needs to be excavated, moved or filled in affects the price. Costly removal and disposal of surplus materials can increase the total cost.Drainage and moisture protection
The need for extensive drainage or damp-proofing, such as in the case of high groundwater levels or difficult drainage conditions, will lead to higher costs.Local fees and charges
Municipal fees for building permit processing, connection to water and sewage networks as well as any fees for disposal of masses at an approved reception will affect the final price.Season
Groundwork carried out during the winter months can be more expensive due to the need for snow removal, de-icing and more demanding working conditions.Contractor experience and capacity
Prices can vary between contractors based on their experience, reputation and availability. During busy periods, prices can be pushed up.
Is groundwork subject to an application?
Groundwork often requires an application, depending on the scope and type of work to be carried out. In most cases, digging, filling, grading and foundations require some form of approval from the municipality. This is especially true if the groundwork involves changes to the terrain, heights or distance to neighboring boundaries.
Minor measures, such as digging a trench for water and sewage pipes within your own property, may be exempt from the application requirement. However, it is always a good idea to check with the municipality’s building application department to clarify whether the measure requires an application.
The application process will help ensure that the groundwork is carried out in accordance with applicable rules and regulations, and to ensure safety and stability in the area.
What should you have in place before starting groundwork?
Before you start the groundwork, there are several things that should be in place:
Funding and budget
Make sure your financing is in order and that you have a realistic budget for the project. This will give you a clear idea of your options and limitations.
By having your finances under control from the start, you can avoid unpleasant surprises and delays along the way.
Geotechnical surveys
A geotechnical survey of the site is important to map the ground conditions, such as bearing capacity, stability and possible contamination. This information forms the basis for the choice of foundation solution and any need for additional measures such as retaining walls or mass replacement.
Cable detection and pipe network mapping
Before digging starts, you need to get an overview of existing cables and pipe networks on the property. Damage to these can be very costly and cause significant delays.
Contact the municipality and local suppliers to have a cable survey carried out and obtain the necessary documentation on the pipe network. You may want to engage an architect to help you design the building,
Drawings and documentation
Have all the necessary drawings and plans ready before you start. This includes architectural drawings, floor plans and technical descriptions.
Complete documentation makes it easier for the contractor to follow the plan and for you to keep track of the project. A skilled architect can help you all the way from A to Z.
Applications and permits
Depending on the scope of the project and local regulations, groundwork may require an application. Be sure to obtain the necessary permits from the municipality before starting.
An approved building application usually requires extensive documentation, showing that the project meets technical requirements and that responsibilities have been clarified.
Keep all correspondence and documentation related to the application process.
Can you do the groundwork yourself?
It can be tempting to do the groundwork yourself to save money, but it’s often more profitable and safer to leave the job to professionals. Groundwork requires specialized equipment, extensive knowledge and experience to ensure a stable and durable foundation for the building.
A professional contractor has the expertise to assess ground conditions, choose the right foundation solution and deal with unforeseen challenges that may arise along the way. They are also up to date with current regulations and safety requirements, which is important to avoid costly errors and delays.
Relying on professionals for groundwork also frees up time and resources for other parts of the project. In the long run, this can save you significant costs and worries, while delivering a high-quality result.