Landmark Chambers

Home > Our people > Barristers > Andrew Byass

Andrew is a planning and public law specialist, whose experiences includes EU law, environmental law, compulsory purchase and rating. He first qualified as a barrister and solicitor in Australia in 1997, before working in both the private and public sector in Australia, the United States and the UK. Andrew worked as a senior solicitor in central Government undertaking public law litigation between 2005 and 2010, before moving permanently to the bar.

Andrew is a member of the Attorney-General’s “B” panel of counsel.

Planning and Environment

Andrew is a top-rated planning junior in the 2017 Planning Law Survey. His practice covers all areas of planning and environmental law. He has acted in matters involving retail, residential, infrastructure, energy, waste, student accommodation, neighbourhood planning, public rights of way, highways, green belt, habitats, EIA and other environmental law matters. Andrew’s experience in planning and environmental law includes:

  • Ongoing advice to the Department for Transport as part of a team of counsel in relation to the decision to provide a new runway at Heathrow Airport, including advising on all stages of the Government’s decision to prefer Heathrow Airport and the production of the Airports NPS and associated environmental, economic, and other reports.
  • Appearing at inquiries and hearings for developers and authorities, including in respect of large-scale retail and housing matters, development viability, planning enforcement and DMMO inquiries.
  • Recently, this has included obtaining approval for Redrow Homes from the Welsh Ministers, following a successful appeal against the refusal by Caerphilly Borough Council of outline consent for 260 dwellings, successfully appearing for the developer of a major retail scheme on the outskirts of Colchester, leading to the grant of permission by the Secretary of State, and acting for McLaren in respect of an appeal against the refusal to grant permission for a 286-student bed scheme in Oxford.
  • Acting for FCC Environment (UK) Ltd in a challenge to the Rookery South (Resource Recovery Facility) Order 2011, which granted authorisation to develop a 65 MWe electricity generating station.
  • Acting for Hampton Bishop Parish Council in a challenge to the grant of planning permission for the development of a rugby facility and enabling development of 190 homes.
  • Appearing in the High Court and advising upon applications and appeals under s. 288 and s. 289, including in respect of office, retail and housing matters.
  • Advising on village green matters, applications to vary or discharge s. 106 planning obligations, commercial and residential permitted development rights, CIL requirements and general planning matters.

Andrew has written a chapter in Garner’s Environmental Law on EIA.


Andrew practices in several public law areas, and has a broad depth of experience including from when working as a senior public law solicitor for the Government Legal Department prior to joining Chambers. He gained extensive experience in matters relating to EU law while working with central Government, and has a particular interest in expanding on this experience across the work undertaken in Chambers. Andrew has continued to build on his public law experience, representing both claimants and defendants in all areas of public law. Andrew’s experience in public law includes:

  • Advising on a range of matters relating to healthcare law, including the vires and legality of actions of NHS bodies, NHS Continuing care, primary care contracts, and procurement and contracting issues
  • Acting on behalf of both appellants and the Secretary of State in immigration matters in the First-Tier Tribunal, Upper Tribunal, High Court and Court of Appeal, with a particular specialism in Article 8 and appeal rights claims.
  • Acting on behalf of claimants and defendants in judicial review proceedings concerning planning and compulsory purchase matters, including in respect of the successful application to strike out the challenge to the government’s decision to prefer Heathrow Airport as the location for future airport expansion.
  • Advising on data protection issues, including relating to the implementation by Buckinghamshire County Council of a central government programme. Andrew also wrote a privacy policy for the Victorian Electoral Commission while undertaking his Master’s studies in Australia.
  • Advising the Electoral Commission (UK) on the compliance of electoral guidance for returning officers with the requirements of primary legislation and electoral rules.

Compulsory Purchase and Rating

Andrew has advised on or been instructed in a range of compulsory purchase matters, including:

  • Appearing for Haringey Borough Council at the three-week inquiry held in July 2017, in relation to the proposed confirmation of the London Borough of Haringey (Wards Corner Regeneration Project) Compulsory Purchase Order 2016.
  • Appearing for Hounslow Borough Council in respect of the inquiry into the compulsory purchase order to facilitate the development of a 20,000 seat football stadium for Brentford Football Club, and enabling housing.
  • Acting for Transport for London in respect of a rule 2 and 6 claim arising under Crossrail.
  • Appearing on behalf of FCC Environment (UK) Ltd in respect of the challenge to the award of compulsory purchase powers with the Rookery South development consent order.

Andrew has experience in rating matters, with an interest in expanding this area of his practice.


Andrew has also appeared in or advised on a range of property matters. This has predominantly been in the context of matters dealing only with property disputes, but has also concerned areas of cross-over with planning, including in respect of s. 106 agreements and variation disputes.


Andrew is a member of PEBA, UKELA and ALBA.