New supply fell 8% in a year, while councils let 14% fewer homes and the number of empty council properties rose, according to the Scottish Government's annual housing statistics.
The CMA has opened a two-week window for comments before deciding whether to start a formal investigation into the US logistics group's purchase of the London-based property company.
Customer numbers edged up in the third quarter, but people borrowed less against their homes, and most advisers say lenders are offering lower loan-to-value limits.
Annual ONS figures show new contracts worth £83.3bn, led by railways and electricity networks, while orders for private homes slipped to their lowest since 2020.
Bank staff estimate that the share of mortgage holders without flood cover could rise from about 5% today to as much as 10% by 2050, and higher still after a severe flood.
Privately rented homes in England and Wales must already meet a minimum EPC rating, with a cap on what landlords have to spend. The government's aim for 2030 is higher, and that is where the next costs lie.
Shared owners can buy more of their home over time, cutting the rent they pay on the rest. The price of each step depends on the home's value at the time, and the fees depend on the lease.