Mortgage Calculator Numbers Don't Lie · Afrika
Five things the bank will not put on the brochure

What a mortgage actually costs.

Every mortgage calculator gives you a monthly repayment. That is the easy number, and it is the one that makes the house look affordable. Below it are the four numbers that decide whether it really is.

The house costs KES.
I can put down % as a deposit.
The bank charges % over years.
Property is

That choice sets the stamp duty used further down. Rates and fees vary by lender and by advocate, so treat every figure here as an illustration rather than a quote. Most Kenyan mortgages carry a variable rate, which is why the rate-rise section below matters.

Borrowing KES 4,000,000 over 20 years
Repayment every month
KES0
Interest over the term
KES0

01The house does not cost what the seller is asking

Add the deposit to everything you will repay, and you get the real price of owning it. This is the number to compare against rent.

Deposit, paid on day one
0
The loan itself, repaid over the years
0
Interest on top
0
What the house really costs you
0
Which is this many times the asking price 0.0×

02The deposit is not the only cash you need

These land before you get the keys, and almost nobody budgets for them. They are the single most common reason a Kenyan house purchase stalls at the last moment.

Before you get the keysEstimate
Total cash needed on day one KES 0

03The income a bank will want to see

Most Kenyan lenders will not let repayments exceed about a third of your gross monthly income. That rule, not the house price, is what usually decides whether you qualify.

Gross monthly income needed
KES 0
That is a year
KES 0

04Your rate is probably not fixed

Most mortgages in Kenya move with the market. If your rate rises, your repayment rises with it — and you have already bought the house. Here is what that would feel like.

If the rate becomesMonthlyMore per monthExtra interest over the term

05You own less of it than you think

Early repayments are almost entirely interest. The bank gets paid first; your share of the house builds slowly and only speeds up later.

After 5 years you have paid
KES 0
Of that, off the loan
KES 0
Still owing
KES 0

Goes to the house Goes to the bank as interest
Year by year
YearPaid inOff the loanTo interestStill owing
And the thing the brochure really will not say

A mortgage outlives a career. It does not outlive your income by itself.

Twenty years is long enough for illness, redundancy or worse to arrive. If your earning stops, the repayments do not — and a family can lose the house while grieving. Mortgage protection cover settles the balance so they keep it. Most lenders require some form of it anyway; the question worth asking is whether yours is the right one and whether you are paying too much for it.

This is an illustration, not an offer. It assumes a reducing-balance mortgage with equal monthly repayments at a fixed rate. Upfront costs are typical ranges only: stamp duty, legal fees, valuation and bank charges vary by property, lender and advocate, and duty is assessed on the government valuation rather than the price you pay. Property and life cover premiums are excluded from the monthly figure. Your lender's and advocate's numbers are the ones that count.