Knowing Your Limits in the Garden

There is a great deal of tree care you can do yourself, and doing it well is part of what makes a British garden feel loved. Sharp secateurs and a decent pruning saw will handle most shrubs, young fruit trees, and the small stuff — anything up to roughly the thickness of your wrist. Cutting back a leggy hazel, shaping a young apple, or nipping out crossing branches is satisfying work, and doing it regularly is far better for the tree than an occasional drastic chop.

The picture changes the moment the job involves height, weight, or electricity. A tree is a living structure under load, and the forces inside a heavy limb are surprisingly large. Knowing where to draw the line is the difference between a tidy garden and a hospital visit, so it is worth being honest about what you should not attempt.

Jobs That Should Always Go to a Professional

A qualified tree surgeon has climbing equipment, rigging gear, insurance, and the experience to read a tree's structure. Call one in when any of the following applies:

• Any work above head height where you would need a ladder — ladders are the single most common cause of serious garden accidents.
• Removing or shortening a limb thicker than about 10cm, which needs a proper pruning saw or chainsaw and a controlled lowering technique.
• Chainsaw work away from the ground. Working a saw at shoulder height or overhead is genuinely dangerous even for experienced operators.
• Crown reduction, thinning, or lifting a large mature tree, which should follow BS 3998, the British Standard for tree work recommendations.
• Stump removal, or killing off a vigorous stump such as willow, sycamore or laurel.
• Any tree you cannot see the whole of, including the base, the fork unions, and the bark on every side.

Small, considered cuts made by the right person keep a tree healthy. Bad cuts made at the wrong time create decay, weak growth, and problems you will be paying to fix for the next decade.

Storm Damage and Trees Under Tension

After a gale, a damaged tree is often far more dangerous than it looks. A limb may be hanging by a few fibres, a trunk may have split at a fork, or a tree may be leaning with the root plate lifting out of the soil. Bent, twisted wood stores a tremendous amount of energy, and releasing it can flick a branch with lethal force.

If you see a broken branch resting on another, a split union, cracked bark, or fresh soil heaving around the base, keep everyone — including pets — well back and call a tree surgeon. Do not try to pull a hanging limb down with a rope, and do not finish someone else's half-cut job. Most reputable firms offer an emergency response for exactly this situation, and they will arrive with the rigging and saws needed to take the tree down in sections.

Trees Near Buildings, Power Lines and Public Paths

Proximity changes everything. A tree leaning towards a house, garage, greenhouse, shed or boundary wall needs specialist assessment, not just pruning. Roots can affect drains, patios and foundations, particularly on shrinkable clay soils, and a tree that has grown too close to a building may need careful reduction or removal rather than a quick tidy-up.

Overhead lines are a firm no. Work near live conductors is governed by strict safety rules, and in most cases the network operator must be involved before anyone goes near the tree. A tree surgeon will know how to arrange this, and will know the safe clearance distances.

Branches overhanging a public footpath, pavement, driveway, or school entrance also warrant professional attention. You have a duty to keep your boundary safe, and if a branch drops on someone passing below, the consequences are serious. Thin, dead wood over a busy path is easy to miss from the ground and needs an experienced eye.

Permissions, Wildlife and Timing

Before any significant work, check whether the tree is protected. Trees covered by a Tree Preservation Order, or standing in a conservation area, normally require an application or written notice to your local planning authority, and permission can take several weeks. Cutting without consent can lead to an unlimited fine, so it is worth a quick email before booking anyone.

Wildlife law matters too. Nesting birds are protected, and bats and their roosts are heavily protected under UK legislation. A survey may be needed before felling or heavy pruning, which is one reason autumn and winter are usually the best months for major tree work — the tree is dormant, and the wildlife season has passed.

What Makes a Tree Surgeon Worth Hiring

Price should not be your only measure. Look for evidence of proper training, such as recognised arboricultural certificates, and membership of a professional trade body. Ask to see public liability insurance — a minimum of £2 million is sensible, and £5 million or more is common — plus employer's liability cover if they bring a team.

A good firm will visit, assess the tree, give you a written specification of the work, carry out a risk assessment, and dispose of the arisings properly. They will tell you honestly when a tree does not need work. Paying a fair price for careful, insured, skilled work is far cheaper than repairing a roof, a fence, or an injured back.