Sarah Bonser

Head of Planning, Highways and Property

About Sarah Bonser

I lead the Planning and Highways team advising on all aspects of planning and highways law, compulsory purchase, village greens and public rights of way.

I specialise in drafting and negotiating s106 agreements on behalf of local authorities.

Recognising the importance of building long-term relationships with clients, I regularly write legal updates for clients and have organised and presented client seminars.

I pride myself on my professionalism, helpful advice and speedy delivery.

Areas of expertise

  • Planning and Highways Law
  • Compulsory Purchase
  • Public Rights of Way
My team and I provide practical and pragmatic advice that is focused on achieving results for our clients.

Sarah provides excellent advice, often off the cuff at the end of the phone when urgent matters arise. She is extremely good at explaining the intricacies of planning law in layman’s terms, which is very much appreciated. Sarah is a reliable and conscientious colleague who I do not hesitate to contact for guidance and clarity in often high-pressured situations.  She is well respected amongst her peers and colleagues, and officers very much appreciate her knowledge and calming influence

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Client testimonials

“Sarah provides excellent advice, often off the cuff at the end of the phone when urgent matters arise. She is extremely good at explaining the intricacies of planning law in layman’s terms, which is very much appreciated. Sarah is a reliable and conscientious colleague who I do not hesitate to contact for guidance and clarity in often high-pressured situations. She is well respected amongst her peers and colleagues, and officers very much appreciate her knowledge and calming influence.”
Planning & Highways Client
“I am writing in praise of your support. As someone in the firing line of an ultra-aggressive legal team for the first time in my life, this was a traumatic and, at times, upsetting process. You were at my side, dispensing wise and calming counsel throughout. You have been readily available when crises occurred, have been a wonderful listener and, in the end, we reached an outcome that was highly satisfactory for our school and its pupils. I cannot speak highly enough of the way that you handled this case, and I thank you and your firm for the support you gave me. Being a chair of governors, sworn to confidentiality, can be a lonely business! You kept me sane.”
Chair of School Governors
“You’ve been incredibly helpful with this. Thanks for always replying so promptly and for being a star.”
Private Sector Town Planning & Development Consultancy
“The whole team at Invicta Law are really professional, efficient and courteous in their approach to our Development Agreement works. This I find makes my role much easier particularly when this is a specialist subject that I often need to seek their advice with.”
Planning & Highways Client
“The experience has been really top end. Rather than just offering the options, they have given some real solid advice on the best route. It's a good business 'partnering' approach.”
Kent Fire and Rescue Service
“Their employment advice has always proved to be sound. I’ve worked with lots of different lawyers in London boroughs and. I’d also say that Invicta Law is the most solution-focused.”
Kent Fire and Rescue Service

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