Property expert who can advise on the Budget via video submission

Request from London Standard:

Looking for a property expert who would be willing to send across a video answering the below questions IN RELATION TO LONDON. 

- What is stamp duty and how will it impact Londoners?
- What is mansion tax and what is its impact on the capital?
- How will the Budget affect landlords? 
- What will be the overall impact of the Budget on London?
- What should Londoners be hoping for in the budget? 

Responses this morning please.