What happens next
How porch subsidence repair works
Diagonal cracks, a porch floor that has dropped, or a door frame pulling away from the wall are worth taking seriously. Each stage is set out here, from the point you first report what you can see through to the finished repair and the documents handed over to you.
Porch subsidence
Before the visit
- Photographs of cracks on the porch exterior and interior walls
- When you first noticed the cracking or movement
- Your home insurance policy document
- Any prior structural or ground investigation reports
- Locations of large trees or hedges nearby
Request a quote at no cost
Request a free quotePut your details in the form
Describe what you have spotted at the porch: where the cracks run, roughly how wide they are, whether the porch floor has dropped or the roof line has shifted. Note when you first saw the problem and whether it looks worse now than it did then. A photo taken next to a coin or pen gives the specialist something concrete to work from. The quote is free.
A specialist gets in touch
A porch subsidence specialist will phone you to go through your account and ask follow-up questions: the age of the porch and main house, the soil conditions if you know them, any trees with large root systems growing nearby, and whether a drain or gutter has been leaking at the base of the structure. If an insurer is already handling a claim, say so now.
Confirming whether a site visit is necessary
Working from your description, the specialist judges whether attending in person will change the picture. Where movement looks active, crack monitoring can be set up to log readings over several weeks, showing whether the porch is still shifting or has reached a stable position. That data shapes which repair approach is appropriate.
Written quote at no charge to you
Once the specialist has enough information, they set out the most probable cause and price the repair that addresses it. For a porch, that could involve underpinning a shallow strip foundation, resin injection under the slab, crack stitching, or felling a nearby tree whose roots are drawing moisture from clay soil. No charge is made for the quote.
Carrying out the repair
The contractor arranges access, walks through which parts of the porch and surrounding ground will be disturbed, and sets out a programme before work begins. The scope stays tied to what the evidence shows: a porch that has stabilised does not receive intervention beyond what the findings justify.
Records handed over at the end
When the work is finished, the specialist prepares documentation recording what was found, what was done and the condition of the structure at that point. File it with your property title documents. Insurers, mortgage lenders and solicitors acting for buyers ask for this kind of record when a porch has a history of ground movement.
What happens next
What you get
- A free written quote identifying the probable cause of movement and the repair recommended to resolve it
- A log of crack monitoring readings gathered during the investigation, where monitoring was set up
- A completion report from the specialist covering everything carried out during the repair programme
- Any certificate the specialist issues on finishing the work