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Lydia O’Hagan, Associate

Lydia advises on all aspects of planning and environmental law


Lydia acts for landowners, developers and investors on all aspects of planning and environmental law. She negotiates planning and infrastructure agreements with local authorities and advises on planning applications, appeals and court challenges. She also provides specialist planning and environmental advice on real estate and corporate transactions.

Prior to moving to London Lydia worked as solicitor in New Zealand advising a range of local authorities, central government bodies and corporate clients on environmental and resource management issues. She appeared as junior counsel in the Environment Court, a specialist planning law court in New Zealand.

Lydia O’Hagan is admitted to practice as a Barrister and Solicitor in New Zealand.


  • Advising residential developers on section 106 agreements for a range of developments across the south east including provisions on affordable housing, viability reviews and SANG
  • Providing advice on changes to a major development in South London including through section 73 and 96A applications
  • Providing advice and ongoing support in relation to two successful planning appeals for a major residential development in Otham Kent
  • Advising on statutory challenges to appeal decisions and judicial reviews of decisions of a local planning authority