Rumours abound in the daily papers that George Osborne is set to reduce or remove the ability of buy to let landlords to offset interest costs against income.
If true, that could create a seismic shift in the market for residential property in the UK.
The details will be all important and we will have to wait and see if and how the change is implemented but landlords, banks, institutional investors, tenants and even home owners should be watching carefully, as all could be adversely affected.
Expect a further update from me later in the week.