
Structural Engineer Report Cost: Simple UK Guide for Homeowners
A structural engineer report cost depends on the type of problem being assessed, how severe it is and how detailed the final document needs to be. Most homeowners need a structural report when they see cracks, sagging floors or movement in their home, or when a surveyor or mortgage lender asks for one. This guide explains the cost, the process and what the report includes.
What Is a Structural Engineer Report?
A structural engineer report is a formal document written by a qualified engineer after inspecting part of your home. It explains what the problem is, whether it is structural and what repairs are needed.
When you need one
- Cracks in walls
- Suspected subsidence
- Previous alterations without paperwork
- RSJ concerns
- Chimney damage
- Mortgage lender requests
- Loft conversion structural help
What the report includes
Photographs, cause of the issue, movement assessment, risk level, recommended repairs, whether calculations are required, and whether the structure is safe.
Who uses it
Mortgage lenders, Insurance companies, Surveyors, Building Control, Buyers and sellers.
Structural Engineer Report Cost in the UK
The structural engineer report cost varies with the complexity of the issue.
Typical UK prices
| Type of Report | Cost Range |
|---|---|
| Crack assessment | £200–£350 |
| RSJ/beam check | £200–£300 |
| Subsidence investigation | £450–£900 |
| Full structural report | £500–£1,200 |
| Certificate of structural adequacy (CSA) | £250–£450 |
What affects the cost
- Size of the property
- Severity of cracks
- Whether calculations are needed
- Whether foundations need checking
- How many structural elements need inspection
- Location in the UK (London is typically 20–30 percent more expensive)
Types of Structural Engineer Reports
Crack Assessment Report
For cracks in plaster, brick or ceilings.
Subsidence Report
For movement or sinking foundations.
RSJ or Beam Check
When a steel beam has been installed without paperwork, often following a load bearing wall removal.
Pre-Purchase Structural Report
Used when a homebuyer’s survey flags concerns.
Certificate of Structural Adequacy (CSA)
Often required after repairs.
What Happens During a Structural Inspection
What we check
Cracks, floors, roof structure, beams, chimney stability, walls, and footings.
Tools used
Moisture meters, laser levels, cameras, and load path assessment.
Common issues found
Thermal cracks, historic settlement, live subsidence, failed beams, and bowed walls.
Photos and drawings included
Clear images are included to show the problem and recommended repairs.
How Long a Structural Engineer Report Takes
- Most inspections take 30–60 minutes.
- Reports are normally issued within 24–48 hours.
- Urgent same-day reports are possible for a higher fee.
What a Structural Engineer Report Looks Like
A typical report includes:
- Overview of issue
- Photos
- Cause
- Risk level
- Repair advice
- Calculations (if required)
- Summary page
Clear, simple and usable for lenders or Building Control.
Signs You Need a Structural Engineer Report
Cracks
Diagonal cracks or gaps larger than 3–5 mm.
Sagging floors
Bounce or unevenness upstairs or downstairs.
Movement or bulging
Walls bowing or leaning.
RSJ concerns
Beams installed without a steel beam calculation.
Chimney problems
Cracks at the breast or stack.
Repair Costs After Report Findings
- Wall stitching: £400–£900
- Resin anchors: £300–£800
- RSJ strengthening: £300–£700
- Underpinning: £1,500–£3,000 per metre
FAQs
How long is a structural report valid?
Usually indefinite unless conditions change.
Can I use photos for the inspection?
No. Site visits are normally required.
Do I always need calculations?
Only if a beam or support needs checking.
Conclusion
A structural engineer report protects your home, your finances and your sale process. With clear advice and fast reporting, you know exactly what needs fixing and how serious the issue is.
Get Your Structural Report
If you need a fast, clear structural report, SECalcs can help. Contact us today for a quote.

