How Much To Repair Subsidence Uk?

by | Last updated on January 24, 2024

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Subsidence repair costs Cost + VAT (Range low – high) Average cost
Underpinning


£10,000 – £15,000


£12,500
Underpinning cost per m (up to 1m) £1,000 – £1,750 £1,500 Mass concrete method (per m) £250 – £500 £375 Piling £750 – £1,500 £1,250 per m2

Can subsidence be permanently fixed?


The only permanent way to deal with subsidence is to give a house the foundations it needs to cope with the ground it is sitting on

. ‘You can mend the cracks caused by subsidence but, three or four years later, there will be a hot summer and they will open up again.

Is underpinning expensive UK?

Underpinning costs per metre


The average cost of underpinning per metre squared is in the region of £1,500 to £2,600

. The cheapest method is generally mass concrete pour, which has an average cost of £1,500, while piling is the most expensive at £2,600.

How much does subsidence devalue a house?

Issues with subsidence can affect the selling price of a property by

around 20%

.

How long does it take to fix subsidence?

The building work needed to fix subsidence can take

as long as 6 weeks, or as little as two days

. This depends on the extent and severity of the problem.

What does a subsidence crack look like?

If a crack is caused by subsidence, it will be:

Thicker than a 10p coin (more than 3mm) Diagonal, and wider at the top than the bottom

.

Visible internally and externally

.

How do surveyors check for subsidence?

  1. Large cracks (larger than 3mm) suddenly appearing 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. If you have an extension, look for cracks where the extension meets the main part of the house.

Do cracks in walls mean subsidence?


The major sign of subsidence is cracks in walls

. Cracks caused by subsidence are normally of a diagonal nature and will suddenly appear in plaster work inside the building and on brickwork outside.

Do I have to declare subsidence when selling?

If your property has been affected by subsidence at any point in the past, particularly if an insurance claim on that basis has been made about it, then

you do have to declare it to the estate agent and the buyer

.

Is it worth buying a house with subsidence?


Properties with current subsidence will be unmortgageable, so if you were planning to use a mortgage to purchase the property it’s unlikely that you’ll be able to go ahead

. Properties with a history of subsidence that has now been fully resolved are often challenging to mortgage and insure, but it is possible.

How much do footings cost UK?

Excavate 30m3 £812.80 Reinforcement mesh £192.00 Concrete foundations 10m3 £1,339.45 Total

£4,154.44

Can you fix a house with subsidence?

Underpinning is the old method of treating subsidence, now

with Geobear it can be repaired in as little as one day

. Our simple injections of material into the ground under your home cures subsidence permanently, it stops the environment affecting the soils and creates a solid base for the future.

Is subsidence a big problem?


Severe subsidence can be a very serious problem

. Subsidence can lead to severe structural problems which can make a house uninhabitable. Severe subsidence can be dangerous and eventually lead to structural instability and collapse. Subsidence can make a house unmortgageable and so, perhaps, unsaleable.

How much of an issue is subsidence?

How much does subsidence devalue a property? The level of severity will determine how much subsidence devalues a property, but generally speaking, you could find that it

decreases the market value of your home by as much as 20%

.

How do you fix subsidence in the UK?



Resin injection

is now the go-to solution for subsidence of any size – it’s an effective and permanent method to stabilise buildings affected by structural movement. Resin injection takes a day to implement and homeowners don’t need to move out, rather than weeks or months of underpinning and piling.”

Does crack stitching work?

Experts may end up suggesting crack stitching as the best solution, which is

a permanent and very successful method of structural repair for cracks in masonry and mortar bed joints

.

How do I know if my wall cracks are structural?

The cracks run diagonally


Jagged cracks that move in a diagonal direction or look like a set of stairs moving up your wall

could be a sign of structural movement and may be slightly more serious than cracks that simply run up and down.

Can I get a mortgage on a house with structural movement?


Most mainstream lenders will accept properties that have had subsidence that has been properly resolved

, particularly if no further movement has been seen for 10+ years, so in this situation, you shouldn’t have to seek out special mortgage lenders for subsidence property.

Which cracks in walls are serious?

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. Inspect the position of the crack after measuring its width.

Can you have subsidence without cracks?

Do cracks mean I have got subsidence?

More often than not no

. All houses crack sometimes – after all they are big solid boxes that get hot and cold, wet and dry and altered. Very often cracks in old houses are due to regular thermal and moisture changes in the structure and brickwork and are not a cause for worry.

Can a house collapse from cracks?

Can a House Collapse from Cracks?

Yes

. Cracks are an indication of structural failure. Even if the building does not fall immediately, the cracks will weaken its structural integrity.

Can a structural engineer check for subsidence?

If your mortgage lender has confirmed you have subsidence within their mortgage valuation then

you will need to instruct a structural engineer or chartered building surveyor to complete a subsidence survey

. The normal wording within the mortgage valuation that states this is: There is structural movement.

Who can tell me if I have subsidence?


A chartered surveyor

will be able to work out whether there is subsidence and what the likely cause is. It is imperative that whoever is engaged to inspect the damage has adequate training and experience to be able to ascertain whether the damage is consistent with foundation movement or some other cause.

How do you know if a house has suffered subsidence?

  1. Sudden cracks along your walls.
  2. Cracks that are visible on the outside and inside of your home.
  3. Doors and windows sticking for no apparent reason.
  4. Rippling wallpaper that isn’t caused by damp or moisture.
  5. Cracks around a particular weak point e.g, where an extension meets the main property.

Are cracks in a house normal?

A:

Wall cracks are fairly common in both new and older homes and are often the result of normal house “settling”

that can quickly, inexpensively be remedied by re-taping the joints—the seams where the drywall panels meet.

Is it normal for old houses to have cracks?


Cracks are usually caused by settlement, but not necessarily

. Expansion and contraction can cause them, as can inadequate framing members. Houses move with the climate: Heat and moisture will make them expand, cold and dryness will make them contract. This movement is normal and in most cases will not cause cracks.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.