Singapore · MAS TDSR & MSR

Total Debt Servicing Ratio
affordability check

See how a new home loan stacks up against your income and existing debts under MAS's 55% TDSR cap — plus the 30% MSR cap for HDB/EC.

◍ Your income

Fixed monthly income

Basic salary + fixed allowances — counted in full.

Variable income (avg. monthly)

Bonus, commission, allowances — MAS counts 70% (30% haircut).

Rental income (monthly)

From other properties — also counted at 70%.

◍ Existing monthly commitments

Existing home loan instalment(s)

Car loan instalment

Other loans (personal, renovation, study)

Credit cards & other unsecured

Use 3% of outstanding balances, or your actual minimums if higher.

◍ The new home loan

Property type

HDB/EC loans are also capped by MSR — 30% of income, mortgage only.

Property price

Loan (% of price)

Bank cap for a first housing loan is 75%.

Loan tenure

Stress-test interest rate (p.a.)

MAS floors this around 4% p.a. for affordability testing, regardless of your offered rate.

▶ What that means

Assessable monthly income

New loan instalment (stressed)

TDSR

55% cap

Existing

New loan

Free

Headroom before the cap bites

Max loan at this rate & tenure