A structural survey is a detailed inspection carried out by a qualified structural engineer to assess the condition of a property’s structure and identify issues such as subsidence, foundation movement, structural cracking, roof defects and poor-quality alterations.
For many homebuyers in Ireland, a pre-purchase structural survey is one of the most valuable investments they can make before signing contracts. A structural survey can uncover hidden defects, provide leverage during negotiations and help avoid unexpected repair costs after completion.
Should You Get a Structural Survey Before Buying a House in Ireland?
In most cases, yes.
While a structural survey is not legally required when purchasing a property in Ireland, it is strongly recommended, particularly for older homes, properties with visible cracking, or houses that have been extended or altered.
A structural survey provides an independent assessment of the property’s condition before you become legally committed to the purchase.
You should strongly consider instructing a structural engineer in Ireland if:
- The property is more than 20 years old
- You notice cracks in walls or ceilings
- Floors appear uneven or sloping
- Doors or windows stick
- The house has been extended
- There are signs of dampness or water ingress
- The property has been vacant for a prolonged period
- Your solicitor or lender recommends further investigation
What Is a Structural Survey?
A structural survey is a comprehensive inspection of a property’s condition, with particular focus on the structural elements that affect safety, stability and long-term value.
Unlike a basic valuation report, a structural survey investigates potential defects that may not be obvious during a viewing.
A survey carried out by a structural engineer Dublin homeowners trust may assess:
- Foundations
- External walls
- Internal walls
- Roof structures
- Floors
- Load-bearing elements
- Structural movement
- Signs of subsidence
- Previous alterations and extensions
- Visible drainage-related defects
- Damp-related structural concerns
The survey findings are typically presented in a detailed written report with recommendations for any further investigation or repairs.
What Does a Structural Engineer Look For During a Pre-Purchase Survey?
A qualified structural engineer will assess the property for signs of structural defects, deterioration and movement.
Structural Cracking
Cracks are among the most common concerns raised by homebuyers.
An engineer will assess:
- Crack location
- Crack direction
- Crack width
- Signs of ongoing movement
- Previous repair attempts
Not all cracks indicate serious structural issues, but some patterns can suggest subsidence or foundation movement.

Subsidence and Fou<>ndation Movement
One of the primary reasons buyers engage a structural engineer is to identify signs of subsidence.
Warning signs may include:
- Diagonal cracks around doors and windows
- Uneven floors
- Sticking doors and windows
- Separation between an extension and the original property
- Distorted walls or openings
Early identification of subsidence can prevent significant future expenditure.
Roof Structure Assessment
The roof structure is inspected for:
- Sagging roof members
- Timber defects
- Water damage
- Inadequate support
- Previous alterations
Roof repairs can be costly, making this an important aspect of the survey.
Structural Alterations and Extensions
Many Irish properties have undergone renovations, attic conversions or extensions.
A structural engineer will assess whether these works appear to have been carried out appropriately and whether additional structural support may be required.
What Does a Pre-Purchase Structural Survey Include?
At Banrach Consulting Engineers, pre-purchase structural surveys are designed to help buyers understand both the current condition of a property and potential future liabilities.
A typical survey may include:
- Internal inspection of the property
- External inspection of the building
- Assessment of structural movement
- Roof structure inspection
- Identification of structural defects
- Review of visible signs of dampness
- Assessment of extensions and alterations
- Foundation and subsidence observations
- Detailed written report with recommendations
The aim is to provide clear, practical advice that allows buyers to make informed decisions before contracts are exchanged.
Common Problems Found During Structural Surveys
A structural survey may uncover a range of issues, including:
- House subsidence
- Foundation movement
- Structural cracking
- Roof defects
- Damp-related deterioration
- Inadequate structural alterations
- Drainage-related defects
- Defective retaining walls
- Poor workmanship in extensions
- Fire or storm damage
Identifying these issues before purchase can save homeowners considerable expense and stress in the future.
Can a Structural Survey Save You Money?
Absolutely.
One of the main benefits of a structural survey is that it provides information that can influence the purchase decision.
Survey findings may help buyers:
- Renegotiate the purchase price
- Request repairs before completion
- Budget for future works
- Avoid purchasing a high-risk property
- Satisfy lender or solicitor concerns
The cost of a survey is often small compared to the potential cost of major structural repairs.
Will My Solicitor or Lender Require a Structural Survey?
In some circumstances, yes.
Solicitors and mortgage lenders may recommend or require a structural engineer’s report if there are concerns about:
- Structural cracking
- Subsidence
- Foundation movement
- Property alterations
- Visible defects
- Older buildings
A report prepared by an experienced structural engineer in Dublin or elsewhere in Ireland can provide reassurance to all parties involved in the transaction.
Structural Survey vs Valuation Report: What’s the Difference?
Many buyers confuse these two reports.
Valuation Report
A valuation report is prepared primarily for lending purposes and estimates the property’s market value.
It is not intended to identify structural defects.
Structural Survey
A structural survey provides a detailed assessment of the building’s condition and identifies issues that may require repair or further investigation.
For buyers concerned about the condition of a property, a structural survey offers significantly greater protection.
How Much Does a Structural Survey Cost in Ireland?
Costs vary depending on the size, age and complexity of the property.
Typical fees include:
|
Service |
Typical Cost |
|
Structural inspection |
€300 – €800 |
|
Pre-purchase structural survey |
€500 – €900 |
|
Structural report |
€600 – €1,500 |
Compared with the cost of major structural repairs, a survey is often a highly cost-effective investment.
Why Choose Banrach Consulting Engineers?
Banrach Consulting Engineers has been providing structural surveys, structural inspections and defect investigations throughout Dublin and Ireland for nearly two decades.
Our engineers regularly assist:
- Homebuyers
- Solicitors
- Property investors
- Insurers
- Loss assessors
- Commercial clients
We are also regularly instructed in relation to structural disputes, insurance investigations and Expert Witness matters.
Our services include:
- Pre-purchase structural surveys
- Structural inspections
- Subsidence investigations
- Foundation assessments
- Structural reports
- Insurance-related engineering reports
- Expert Witness services
Whether you are purchasing your first home or investing in property, our reports provide the independent advice needed to make informed decisions.
Contact Banrach Consulting Engineers
Phone: 087 386 5434
Email: engineers@banrach.ie
Address: Unit A7, M4 Business Park, Celbridge, Co. Kildare
Frequently Asked Questions
Is a structural survey worth it when buying a house?
Yes. A structural survey can identify hidden defects, structural movement and potential repair costs before contracts are signed.
Who carries out a structural survey in Ireland?
A qualified structural engineer typically carries out a pre-purchase structural survey and provides a detailed report outlining any concerns.
Can a structural survey identify subsidence?
Yes. One of the primary purposes of a structural survey is to identify signs of subsidence, foundation movement and structural instability.
How much does a structural survey cost in Ireland?
Most pre-purchase structural surveys cost between €500 and €900, depending on the property and level of investigation required.
Should I get a structural survey on a new-build house?
Many buyers choose to obtain an independent structural survey for additional reassurance and to identify any defects that may require attention before completion.
How long does a structural survey take?
Most residential surveys take between one and three hours on site, with reports typically issued within a few working days.
Do mortgage lenders require a structural survey?
Some lenders may request a structural engineer’s report where concerns exist regarding cracking, movement, subsidence or the overall condition of the property.