Leaning tree or cracked tree trunk: getting an assessment

A leaning tree assessment is a request for professional judgement, not a measurement challenge for the homeowner. The same applies to a cracked tree trunk or a suspected area of decay. Explain what you have noticed, whether it has changed, and what is nearby. Do not try to prove the tree is safe or unsafe yourself.

If the tree is actively moving, a large part is breaking, or another immediate threat is present, keep away and contact the appropriate emergency service or utility. An article cannot tell you that it is safe to wait.

Explain whether the lean is new

“The tree leans” is less informative than “I noticed a different angle after yesterday’s storm”. If you do not know whether the lean has changed, say that. Look for older photographs you already have rather than walking closer to obtain a more precise measurement.

Describe where the tree appears to lean in relation to fixed features, such as the driveway or shed. Do not estimate an angle and then use an online threshold to decide the tree’s safety. A photo taken from a different position can also make comparisons misleading.

For a possible leaning tree emergency, make direct contact about the immediate concern. A routine request form is not an emergency queue.

Describe a cracked tree trunk without investigating it

Say where the visible crack appears: near the base, higher on the trunk, or around a branch attachment. Mention whether it was present in older photographs and whether you noticed a recent change. Do not insert objects into it or remove bark to see how far it extends.

ISA’s Recognizing Tree Risk guidance identifies cracks, decay, hanging branches, and changes around roots among features that warrant attention. A professional must consider the feature together with the tree and its surroundings. Its appearance alone does not establish the complete condition.

The practical task is to report the concern accurately, not to turn a visible line into a technical diagnosis.

What to say when requesting a rotting tree assessment

If you suspect rot, describe the reason for that suspicion. You may have noticed a cavity, an area that looks different, or material at the base. “I would like this assessed” is more accurate than “the whole trunk is rotten” when you do not know.

A rotting tree assessment request should also identify the tree and the decision you want help making. Are you concerned about retaining it, planning work nearby, or a change since the last visit? Those questions help the professional understand the purpose of the appointment.

Do not treat vigorous-looking leaves as proof that a structural concern can be ignored. Equally, do not assume that every unusual surface feature means removal. Ask for an explanation specific to your tree.

Include the surroundings in the brief

Identify nearby buildings, paths, parking spaces, roads, and places where people spend time. Mention utility lines without approaching them. Tell the professional if access is restricted or if a particular viewpoint cannot be reached safely.

You can organise the enquiry in five short parts:

1. Tree: Which tree and where it stands.
2. Observation: The lean, crack, or suspected decay you can see.
3. Timing: When it was first noticed and any apparent change.
4. Surroundings: What is near the tree and any access restrictions.
5. Question: What you want the assessment to establish.

Attach only safely obtained photographs. A note explaining an unavailable view is useful information, not a failed submission.

Ask about the assessment, not just the removal price

If your question is “is my tree dangerous?”, ask the provider what assessment service they offer and what result you will receive. Clarify whether the appointment includes written findings, what remains outside its scope, and what follow-up may be needed.

If removal is suggested, ask why it is recommended and whether any other appropriate options were considered. The point is to understand the recommendation, not to seek reassurance from whichever answer is most convenient.

See the tree inspection and risk assessment guide before booking if the distinction between advice and a work quotation is unclear.

If removal becomes part of the discussion, the dead and dangerous tree removal guide covers questions about the recommendation and the work that would follow.

Can a photo app answer the safety question?

Not conclusively. TreeCue can help you prepare observations, take a consistent set of photographs, and request responses from suitable providers nearby. It cannot establish hidden conditions or guarantee future tree behavior. A qualified professional may need to inspect the site or recommend further investigation before quoting for work.

For a non-emergency enquiry, prepare your tree request with the information you already have. For an immediate threat, keep clear and use emergency or utility channels instead.