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Understanding your property’s flood risk is essential for safe, compliant development. MCS Surveyors provides accurate flood study surveys for residential, commercial, and infrastructure projects across Sydney and New South Wales. Whether you are purchasing land, preparing a development application, or planning to build in a flood-prone area, our surveys provide reliable, certified data to help you proceed with confidence.
Flood-affected land requires thorough assessment to reduce the risk of costly mistakes, legal complications, or future damage. Our experienced team works with property owners, developers, engineers, and local councils to deliver the precise survey data needed for effective decision-making and regulatory compliance.
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A flood study survey measures your site’s existing ground levels and compares them to known flood level data for the area. These surveys are essential for determining whether your property is at risk of flooding and for ensuring any planned development meets council and engineering requirements.
Flood study surveys are typically required when:
Our surveys provide site-specific, certified information that councils, engineers, and builders rely on to assess flood risk and determine appropriate development controls.
Flooding can cause extensive damage to homes, businesses, and infrastructure. Without accurate flood data, developments may be non-compliant, unsafe, or at higher risk of future flooding.
Our flood study surveys help to:
Councils and certifiers often require a professional flood study survey before issuing development approvals or occupation certificates, particularly for properties near rivers, creeks, coastal areas, or low-lying land.
Flood risk is assessed using long-term historical data that predicts how frequently different levels of flooding may occur. You may have heard terms like 1 in 5 year flood or 1 in 100 year flood, which refer to the probability of specific flood events happening in any given year.
1 in 5 year flood:
20% chance of occurring each year
1 in 20 year flood:
5% chance of occurring each year
1 in 100 year flood:
1% chance of occurring each year
While less frequent events like a 1 in 100 year flood may seem rare, they often produce significant damage and are considered in most council flood mapping and building controls.Our flood study surveys accurately compare your property’s levels against these benchmarks, providing clear information to guide building design and risk management.
If you are considering purchasing land or property in Sydney or regional NSW, it is essential to investigate potential flood risks, even if the property does not appear flood-affected.
Flood risk may not always be obvious, especially in flat areas, near waterways, or in coastal regions. Our experienced team can:
Knowing the flood risk early can help you avoid buying unsuitable land or being caught off-guard by unexpected building restrictions.
Contact UsIf your property is within a designated flood zone, a flood assessment will be required to support your development application. Before an engineer can prepare the flood assessment, a detailed site survey is needed to establish accurate ground levels.
MCS Surveyors provides the certified flood study surveys that engineers require for:
We work closely with engineers, designers, and councils to ensure your survey data is accurate, compliant, and ready for submission.
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We make the process straightforward and efficient for property owners, developers, and project managers.
We discuss your project requirements, site location, and any council flood mapping that applies to your property.
Our qualified surveyors conduct a detailed site assessment to capture existing ground levels and key site features.
We compare your site’s levels to known flood benchmarks using the latest survey technology and historical records.
We prepare a flood study survey plan showing:
Plans are provided in PDF and CAD formats for easy integration with engineering and architectural designs.
We remain available to assist with follow-up surveys, additional documentation, or liaising with your design team to ensure smooth project progression.
By combining cutting-edge technology with expert knowledge, MCS Surveyors ensures your volume data is accurate, compliant, and delivered on time.
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If your site is located within a flood-affected area, council will typically require detailed survey information as part of your Development Application (DA). These DA support surveys are critical for demonstrating that your proposed development complies with local floodplain management policies, risk mitigation strategies, and minimum building height requirements.
MCS Surveyors provide comprehensive survey data to support DAs for flood-prone sites across Sydney and New South Wales. Our services are tailored to meet the specific submission requirements of local councils, certifiers, and engineers, helping you avoid delays, redesigns, or costly application rejections.
Our DA support surveys for flood-affected land typically include:
These surveys are often the first step in the flood assessment process and form the foundation for subsequent hydraulic modelling and flood mitigation design.
We work closely with your planning consultant, architect, or engineer to ensure that all survey data aligns with council expectations and planning legislation. Whether you're proposing a single dwelling or a multi-lot subdivision, our flood DA support services help you move through the approval process with confidence.
MCS Surveyors has extensive experience delivering flood study surveys across Sydney and NSW. Our commitment to accuracy, reliability, and compliance ensures your project is supported by high-quality survey data every step of the way.
We provide:
We understand the challenges of building in flood-affected areas and work hard to provide the data you need to develop safely and with confidence.
Flood level verification surveys are carried out to confirm the flood level applicable to a specific property, as recorded in council flood mapping or based on hydraulic modelling. These surveys are typically required early in the planning or design process to establish the benchmark flood level that new development must respond to.
This is not a survey of the building itself, but rather of the flood level affecting the site — which may be required by engineers, planners, or certifiers before proceeding with:
At MCS Surveyors, we:
Floor level surveys are conducted after construction to verify that a building’s finished floor level (FFL) complies with development consent conditions, particularly in flood-affected areas.
Local councils and private certifiers often require a Registered Surveyor to certify that the floor level has been constructed above the minimum required flood level, as specified in the approved flood report or DA.
These surveys are essential for:
Our floor level compliance surveys include:
Our 30 years of combined experience in this industry has allowed us to consistently provide the best survey services to our clients for their residential, commercial, civil, and industrial properties in Sydney & Wollongong. Get in touch today for free preliminary advice and quote.
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