TYI Planning and Development







TYI Planning and Development focuses on a crucial sector for economic growth
Key challenges faced by companies operating in the planning and development sector
A continuously evolving planning framework
Well organised opposition to developments
Lack of capacity in council planning teams
Services provided by TYI Group:

Research and Policy Papers
TYI Group produces in-depth research papers examining the opportunities and challenges across key areas of planning and development. Each paper includes actionable policy recommendations aimed at informing both government and opposition parties.

Strategic Advisory
The TYI Group team combines political insight with close connections across the UK’s planning and development sectors. Our policy recommendations have already been adopted by the government and opposition parties as official policy.

Secretariat and Support Services
TYI provides secretariat and organisational support to industry groups and coalitions operating in pro-growth and strategically important sectors, ensuring effective coordination, policy development, and stakeholder engagement.
Our Team
Adam Allnutt
Managing Director & Founder
Before founding The YIMBY Initiative, Adam gained extensive professional experience working across the highest levels of business development, recruitment and politics. He is well connected across business figures and politicians, commanding respect for his work advocating for strategically important and pro-growth policies. As the Managing Director of The YIMBY Initiative, Adam works across all divisions of TYI.
Maxwell Marlow
Director of Policy and Research
Maxwell has a distinguished professional background in policy and research, with numerous pieces of his work featured in leading media outlets such as the Financial Times, the Times, the Telegraph and the Guardian. Maxwell’s research and policy work for The YIMBY Initiative has already been considered at the highest levels of government, opposition parties and business. He is responsible for TYI Research and TYI Strategy.
Tom Williams
Director of External Affairs
Tom is a government relations expert, with a professional background in the aerospace, defence and health technology sectors. He most recently spent seven years working at Airbus, and during this time was Chair of the UK Space Public Affairs Group. He has also worked at a public affairs agency and in Parliament. He is an Executive Member of Labour Business. Tom works in the TYI Strategy division.
Hannah Lazell
Policy Specialist - Local Government and Housing
Hannah is a policy specialist with over sixteen years’ experience working in politics, public affairs and policy. Most recently, Hannah spent seven years working at the Local Government Association’s Labour Group Office, gaining in depth experience of local government and devolution in England. As part of this role, Hannah played a key role in putting local government and devolution at the heart of the Labour Party’s policy making process ahead of the 2024 General Election. Hannah works across the TYI Research, Services, Support and Strategy divisions.
Hanad Darwish
Senior Policy Advisor and Non-Executive Director
Hanad is the current Head of External Affairs at Land, Planning & Development Federation with a background in planning, policy development, external affairs, and building campaigns. Hanad joins TYI as a Senior Policy Advisor and Non-Executive Director to conduct research, write policy reports, and contribute to the future direction of our think-and-do-tank.
Jethro Elsden
Chief Economist
Jethro has an extensive background in economic analysis, policy and research. Most recently he spent four years in the civil service working on regulation analysis and policy in the Cabinet Office and DBT – giving him an extensive understanding of the internal policymaking process in government. Prior to that he worked at Centre for Policy Studies think tank, with previous work there featured in media outlets such as The Times, The Telegraph and the Spectator.