Founded by Lin Cousins and Kathleen Dunmore in 1996, Three Dragons brings together specialist skills in town planning, economics and policy development.Three Dragons has an established track record in research and policy-making across all aspects of new housing provision and its role in the planning and development process.

We work at the local, regional and national levels, for public, private and voluntary sector clients. We have particular expertise in the development of economic models and have developed a nationally used financial viability model (the Three Dragons toolkit) and a model for forecasting demand for specialist older persons housing (the Retirement Housing Group model).

Our main areas of interest are:


  • Working with the planning system to deliver affordable housing
  • Analysing the housing market and demographic change
  • Undertaking Affordable Housing and CIL Viability Assessments
  • Infrastructure planning and development delivery studies
  • Scheme delivery and negotiation
  • Rural housing issues
  • Older persons housing issues
  • Assessment of housing and land supply
  • Training and conferences on housing delivery and policy issues

Latest News:

  • London Plan 2017: evidence base

    The new Draft London Plan was published in November 2017. Three Dragons has prepared 5 reports which form part of the evidence base and have been published alongside. These are London Plan Viability Study Older Persons Housing Benchmarks Lessons from Higher  Density Development Accessible Design......

  • Custom & Self-Build Seminar 2018

    Following the success of our custom and self-build seminar held in St Neots in  2017, we ran a second event in Taunton in conjunction with the RTPI South West on 24th January 2018. At the event, which was attended by over 80 delegates from local authority......