What the law says: Section 66 and the legal test

The Anti-Social Behaviour Act 2003 (as amended by the High Hedges (England) Regulations 2005 and the High Hedges (Wales) Regulations 2005) gives local councils in England and Wales powers to intervene in high hedge disputes — but only under strict conditions.

Section 66 applies only to 'high hedges' — defined as a line of two or more evergreen or semi-evergreen trees or shrubs over 2 metres tall, forming a barrier to light. Deciduous hedges (e.g., beech or hornbeam when bare in winter) do not qualify. The hedge must also be on residential property and unreasonably affect your 'reasonable enjoyment' of your home or garden — for example, by blocking natural light to living rooms, kitchens or private outdoor areas.

Crucially, the law does not require hedges to be 'neat', 'tidy' or even 'aesthetically pleasing'. Nor does it allow complaints based solely on privacy loss, dropped leaves, or root damage — those fall under common law nuisance or property law, not Section 66. The focus is strictly on light obstruction impacting residential use.

How to take action: The council complaint process

Before contacting your council, you must first try to resolve the issue informally with your neighbour — keeping records of all communication is essential.

If informal resolution fails, submit a formal written complaint to your local council’s environmental health or anti-social behaviour team. Your complaint must include: evidence of attempts to resolve the matter, photographs showing hedge height and impact (ideally with dated timestamps), a site plan, and details of how the hedge affects your property (e.g., 'no direct sunlight reaches my kitchen between 10am–3pm year-round').

The council must acknowledge your complaint within 28 days and decide whether it meets the Section 66 criteria. If accepted, they will inspect the hedge, consult both parties, and may request an arboricultural report. If they conclude the hedge is having an adverse effect, they can serve a 'remedial notice' requiring the owner to reduce height or thin the hedge. Non-compliance can lead to fines of up to £1,000 (on summary conviction) and ongoing daily penalties of up to £100 per day (under Section 67).

Practical tips and what to avoid

Success depends heavily on preparation, timing, and realistic expectations — many complaints fail due to procedural missteps or insufficient evidence.

Do not cut roots or overhanging branches yourself without permission — while you *may* trim branches up to your boundary line under common law, doing so aggressively or without notice risks claims of trespass or criminal damage. Always seek legal advice before taking physical action.

Keep a detailed 'light diary' for at least one month, noting times/dates when sunlight is blocked in key rooms or garden areas — this strengthens your claim far more than subjective statements. Also, obtain a professional hedge height measurement (e.g., using a clinometer or surveyor’s report) rather than estimating. Finally, note that councils in Scotland and Northern Ireland have *no equivalent legislation* — high hedge disputes there rely entirely on civil nuisance claims in court.

Common scenarios and real-world outcomes

Not all tall hedges trigger council action — understanding typical outcomes helps manage expectations and avoid wasted time or fees.

A 3.5-metre leylandii hedge shading a ground-floor bedroom window for 9 months of the year is highly likely to result in a remedial notice. In contrast, a 2.3-metre yew hedge affecting only a small patio area used infrequently may be deemed insufficient for 'reasonable enjoyment' — councils often dismiss such complaints. Also, if the hedge was planted before you moved in (and no material change occurred), councils still assess current impact — but may consider whether you 'assumed the risk' — though this is not a legal defence under Section 66.

In 2025, 62% of upheld complaints across England resulted in notices requiring reduction to 2 metres — but only after an average of 14 weeks’ investigation. Appeals against council decisions can be made to the Planning Inspectorate (in England) or the Welsh Government (in Wales) within 28 days — but success rates remain low (<15%) without new evidence or procedural error.

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