When should I worry about cracks in my old house?

Jagged or diagonal cracks indicate that the foundation may have shifted or sunk, or another problem has occurred, such as the deterioration and collapse of supporting wood members due to termite damage. Likewise, cracks wider than one-quarter inch indicate a potential problem with the home’s structure.

Are cracks in apartments normal?





They take the type of crack into account
They can cause walls to collapse. Cosmetic cracks: These types of cracks pose no immediate danger, because they are superficial and don’t affect the structure. However, they can deteriorate, and should therefore be checked regularly by professionals.

How can you tell if a crack is structural?

As the name suggests, structural cracks occur because of poor construction sites, overloading or poor soil bearing.
Telltale signs of structural cracks in your foundation are:

  1. Stair-step cracks.
  2. Cracks on foundation slabs or beams.
  3. Vertical cracks that are wide at the bottom or top.
  4. Cracks measuring 1/8″ in width.

Why do cracks appear in old houses?

In older houses, temperature changes and variations in humidity levels will cause the structure to sink and swell over time. Newly plastered walls can often experience hairline cracks as they dry out.

Do All old houses have cracks?





Luckily, most cracks are completely normal in all sorts of houses, even new builds, and are simply a sign that the house is settling. Other causes of cracks include change in temperature or humidity levels and vibrations from traffic if you live near a busy or fast road.

Does a house ever stop settling?

Does a house ever stop settling? A house will likely never stop completely settling. Most settling does occur within the first few years after the build, however, as the new house finds a place on the foundation and in the soil. You might notice a few inches over the years.

Do cracks in walls indicate a structural problem?

They’re often found at the corners of window and door frames, and can be patched using spackling or joint compound. Larger cracks in your walls, however, can indicate structural or foundation problems.

Which cracks in walls are serious?

Measure the width of cracks with measuring tape. Typically, wider cracks signify more serious issues than thinner cracks. Cracks less than 1/8-inch thick are considered stress cracks and are harmless, while cracks 1/4-inch wide and larger are often more serious.

Should I be worried about cracks in my ceiling?



Ceiling cracks along with sagging indicate a possible structural problem that needs immediate attention. One, big, continuous ceiling crack that goes across the ceiling and down a wall is almost certainly a structural issue. Contact a foundation professional right away for an inspection.

How can you tell if a house has structural problems?

Top 8 Signs of Structural Damage in Your Home

  1. Cracks or Bulging on Walls and Ceiling. …
  2. Soil Pulling Away from House Walls. …
  3. Cracks in Chimney. …
  4. Uneven Gaps on Windows and Doors. …
  5. Sagging, Sloping or Cracking of Floors. …
  6. Sagging Roof and Roof Leaks. …
  7. Damp Subfloor. …
  8. Crumbling Concrete/Brick.

Are hairline cracks anything to worry about?

Hairline and fine cracks are below 1mm and require little or no action. Any hairline and fine cracks can be easily treated by any form of redecorating. Cracks that are between 1 to 5mm may not be clearly visible but may require some repointing to ensure there is no further damage.

Where do subsidence cracks start?



What is subsidence? Subsidence is a very specific issue that occurs when the ground under your house collapses, or sinks lower, taking some of the building’s foundations with it. This puts strain on your home’s structure as one side sinks, causing cracks to appear.

Are cracks in walls always subsidence?

Not all cracks are due to subsidence – fine, hairline cracks are usually nothing to worry about.

How can you tell if a crack is subsidence?

What are the tell-tale signs of subsidence?

  1. Large cracks in a wall, usually around a door or window frame, which are wider at the top than they are at the bottom. …
  2. Doors and windows sticking.
  3. Sloping floors – this is common in older properties.

What are first signs of subsidence?

Evidence of subsidence

  • Cracks in the walls, ceilings and outside brickwork.
  • Expanding of existing cracks.
  • Cracks appearing after a long phase of dry weather.
  • Rippling of wallpaper that isn’t caused by damp.
  • Sticking of doors and windows suggesting doorframes or windowframes have changed shape.


How do surveyors check for subsidence?

What is involved in a subsidence survey? A specialist will come to your property to carry out an investigation into the existence and extent of subsidence. This will begin with a visual inspection to look at cracks in the walls, sticking doors and windows and other obvious signs of subsidence.

How much does it cost to fix subsidence UK?

The process can be lengthy and expensive, costing anywhere between £5,000 and £50,000 depending on the size of the property and the extent of the damage. Though figures differ, it is estimated that as few as only 10% of properties suffering from subsidence will require underpinning.