Rosalyn Trotman

Rosalyn Trotman

Bristol The Paragon Counterslip Bristol BS1 6BX
Bath 2 Queen Square Bath BA1 2HQ
Mobile 07920482651

Partner - Planning, and Head of Development of Land

After spending a number of year in local government, Rosalyn joined Thrings in 2014.  As a Partner in our Planning and Environment team and Head of our Development of Land team, she advises on a wide range of development schemes, acting for housebuilders, housing associations, developers, promoters and landowners.  

Rosalyn is ranked as a leader in Planning in the South West by Chambers and Partners and recommended by Legal 500. Her dedicated professionalism makes her a key asset to the Development of Land and Agriculture teams.  

Alongside her role at Thrings, Rosalyn was the 2019/2020 chairman of the Women in Property South West committee and remains an active committee member for Women in Property South West and Women in Social Housing South West. She was also included in the Insider Property Power list 2019 as one of the top 50 most influential people in the SW.

Development of Land

As Head of the Development of Land team, Rosalyn's expertise lies in the negotiation of infrastructure agreements including section 106 agreements, highway and drainage agreements. She also provides specialist advice on planning strategy for development schemes, interpretation of planning policies and the Community Infrastructure Levy.

Rosalyn advises clients on schemes of all sizes, including residential, mixed-use and commercial developments, taking clients through planning and environmental due diligence at the acquisition stage, drafting of planning and environmental clauses within transactions through to negotiation of planning obligations and conditions. Rosalyn is also experienced in High Court challenges, compulsory purchase, planning appeals, certificate of lawfulness applications and resolution of planning enforcement matters.


Working closely with the Agriculture team, Rosalyn brings her expertise of planning policies to advise landowners and farmers on diversification and development projects, including strategic land.

Rosalyn's relevant experience includes:

  • advising on planning strategy, interpretation of policies and planning elements of the option agreement for a proposed 175-unit scheme for a registered provider in the South West
  • advising on an appeal and a section 106 agreement for a 150-unit scheme including Network Rail negotiations for a promoter in the South West
  • advising a majority landowner in a circa 1,000-unit scheme in the South East on the section 106 agreement and negotiating ancillary deeds to manage future liabilities
  • negotiating section 106 agreements and associated deeds of indemnity for a group of landowners as part of a complex multiple party arrangement for the promotion of land for a 680-unit scheme in the South East
  • securing vacant building credit and a community infrastructure relief for a brownfield heritage development scheme of 77 houses, and negotiation of the section 106 agreement for a regional housebuilder in the South West
  • providing planning due diligence and advice for a strategic commercial development scheme (offices, storage and distribution), informing planning strategy and negotiations of the conditional contract for a developer in the South West
  • reporting to a client taking an interest in the Shard on planning due diligence matters
  • undertaking a successful Judicial Review of Bath and North East Somerset's decision to grant planning permission and listed building consent for a major care home expansion contrary to officer recommendation, on behalf of a local resident. Read the article here.

Accolade 1 Accolade 2

Ros is outstanding - a tactician of the highest order and nothing fazes her. She always wants to discuss and she is happy to put forward her own point of view but listens to what you have to say. - Chambers 2021