Below is a table of the 'Risk-weights for residential mortgages' as shown in APRA Basel 3 Prudential Standard APS 112 Capital Adequacy: Standardised Approach to Credit Risk January 2013.
| LVR (%) |
Standard eligible mortgages |
Non-standard eligible mortgages |
||
|
|
Risk-weight (no mortgage insurance) % |
Risk-weight (with at least 40% of the mortgage insured by an acceptable LMI) % |
Risk-weight (no mortgage insurance) % |
Risk-weight (with at least 40% of the mortgage insured by an acceptable LMI) % |
| 0 – 60 |
35 |
35 |
50 |
35 |
| 60.01 – 80 |
35 |
35 |
75 |
50 |
| 80.01 – 90 |
50 |
35 |
100 |
75 |
| 90.01 – 100 |
75 |
50 |
100 |
75 |
| > 100.01 |
100 |
75 |
100 |
100 |
A bank is considering granting a home loan to a man to buy a house worth $1.25 million using his own funds and the loan. The loan would be standard with no lenders mortgage insurance (LMI) and an LVR of 80%.
If 8% is the bank’s minimum Common Equity Tier 1 (CET1) regulatory capital proportion, how much CET1 capital does the bank require to grant the home loan?