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Working in partnership with Hackney Council, Marlborough Highways planted 5,000 new street trees in one of the largest schemes of its type in the country. The two-year project also included 1,000 new trees and 30,000 saplings in parks and green spaces throughout the borough, as part of the council’s commitment to reach Net Zero emissions by 2040. The initiative sees street tree canopy coverage increase from 20% to 30%, helping to create more attractive urban environments, while improving air-quality and reducing the risk of flooding through better drainage.


Hackney Council is dedicated to making the north London borough a greener and cleaner place to live and to work. As part of the organisation’s bold environmental strategy, councillors and planners set the ambitious goal of planting thousands of trees across the borough in just two years. As well as providing shelter and shade, and improving the appearance of the city landscape, tree planting reduces pollution by trapping harmful particles, and in turn releasing oxygen to the benefit of everyone.
The substantial programme of works required a complex schedule, involving storage, transportation, ground preparation, planting, and tree-maintenance. Heavy equipment was needed to deal with the large loads, while expert planning was essential to keep disruption to road users, residents, and local businesses to a minimum. A variety of native and non-native trees were available, with specialist botanical knowledge vital to ensuring that the right trees were chosen for the right settings.
As Hackney’s Council’s principal highways contractor, Marlborough has a strong relationship with the planning team and a deep understanding of the borough’s urban and green environments. Working in partnership with our tree supplier, Marlborough devised a demanding programme of works, with up to 200 trees planted per week, dependent on weather conditions and the complexities presented on each road. Approximately 80 different species were chosen, with individual trees typically ranging from three to five metres in height, with an efficient system of labelling used to ensure that they always arrived on site in the best possible condition.
During works, there were occasions when trees did not grow as hoped, or they were damaged while in situ. In these instances, Marlborough provided the expert care and attention needed to restore and repair the trees, or quickly replaced them if they could not be recovered. Some specialist drainage works were required, and cages were installed to protect several saplings in the early stages of development. There was also the use of attractive granite sett details around some of the tree pits and a durable resin was needed to ensure plantings remained robust and secure.
Client Hackney Council
Date July 2020 – July 2022
Duration 2 Years (Works took place over intermittent timeframes in line with client needs)
Value: £2.5 million
Project
Team
Client savings
Quote from client
“Our tree planting programme is one of the largest urban programmes in the country and is just one of the ways we are greening the grey in Hackney for all of our residents. Our programme began with a sharp focus on areas where there is less green space, so we can help to increase canopy cover, improve biodiversity, and create better neighbourhoods. Street trees bring incredible beauty to the borough, with often hidden benefits to our wellbeing.”
Cllr Caroline Woodley, Hackney Council
