Tree Surgery & Maintenance
Thor's Trees provides professional tree surgery and maintenance services across London and Hertfordshire, with our expert team of qualified arborists delivering comprehensive care for all your tree-related needs. We specialise in precision tree pruning, crown reduction, deadwood removal, and structural maintenance to ensure the health, safety, and aesthetic appeal of your trees.
Tree Surgery & Maintenance
As a trusted local provider, we deliver our expert arboricultural services throughout North London, including Enfield, Barnet, Finchley, and Hampstead, as well as extending into Hertfordshire areas such as St Albans and Hatfield. Our fully-qualified workforce combines years of experience with internationally recognised qualifications to provide exceptional tree care services to both residential and commercial clients.
Our specialties include:
- Tree Pruning
- Formative Pruning
- Dead-Wooding
- Crown Lifting
- Crown Thinning
- Crown Cleaning
- Ivy Severance / Removal
- Pollarding
- Tree Supply, Planting & Tree Maintenance
Our Process
Contact Us
Site Survey
Quote & Plan
Expert Work
Residential Benefits
Promotes Long-Term Tree Health and Vitality
Enhances Safety and Mitigates Property Risk
Preserves Natural Aesthetics and Form
Prevents Future Problems and Costly Remedial Work
Frequently Asked Questions
How often should my trees be professionally maintained?
The frequency depends on the species, age, and location of your trees. While some mature trees only require inspection every few years, others may benefit from annual thinning or pruning to manage their size and health. We recommend a professional assessment to create a tailored maintenance plan that follows British Standards (BS 3998).
Do I need permission from the local council to prune my trees?
You generally do not need permission for standard maintenance unless your tree is protected by a Tree Preservation Order (TPO) or is located within a Conservation Area. As part of our service, we can check these regulations for you and handle the necessary applications to ensure all work is fully compliant with local laws.
What is the difference between crown thinning and crown reduction?
Crown thinning involves removing a small percentage of secondary branches to increase light and air flow through the canopy without changing the tree's overall size. Crown reduction, on the other hand, reduces the height and spread of the canopy, which is often used to manage a tree that has become too large for its space or to reduce wind resistance.
Is it safe to prune my trees at any time of the year?
The "best" time depends on the tree species. For instance, many deciduous trees are best pruned in winter when dormant, while others, like cherry or plum trees, are better handled in mid-summer to prevent disease. Our arborists can advise you on the optimal timing to ensure your trees remain healthy and vigorous.
How do you ensure my garden isn’t damaged during the work?
We take great pride in our "tread light" approach. We use compact, specialist equipment and protective ground covers where necessary to access trees without harming surrounding plants or lawns. Our team also performs a thorough cleanup, removing all debris and offcuts so your garden is left as tidy as we found it.