Home Loans in Kenya: What a Mortgage Really Costs

Very few Kenyans buy a home with cash, and very few who borrow understand what they signed until several years in. A mortgage is the largest and longest financial commitment most people ever make, and small differences in its structure compound into very large differences in what you pay.

This guide covers what actually determines the cost, the mechanism most borrowers have never heard of, and the tax relief a great many are entitled to and never claim.

The thing most borrowers do not know: KMRC

Kenya has a Kenya Mortgage Refinance Company, and it exists to make home loans longer and more affordable. But it does not lend to you.

KMRC is a wholesale institution. It provides long-term, fixed-rate funding to primary mortgage lenders — banks, microfinance banks and saccos — so that those lenders can offer home loans with longer tenors than their own funding would otherwise allow. You cannot apply to KMRC directly.

The practical consequence is a question worth asking by name:

"Do you offer a KMRC-backed mortgage, and do I qualify for it?"

Ask it of your bank and of your sacco. Many borrowers never ask because they have never heard of the mechanism, and a lender is not obliged to volunteer it.

Eligibility conditions apply and have been revised over time — income ceilings, property price limits and loan caps are exactly the sort of figure that goes stale, so ask the lender for the current criteria rather than relying on any number you read online.

What determines what you pay

The interest rate, obviously — but ask specifically whether it is fixed or variable, and if variable, what it is pegged to and how often it can move. A variable-rate mortgage transfers interest-rate risk to you for the whole term, and over twenty years rates will move. Ask what your instalment becomes if rates rise materially, and decide whether you could actually pay it.

The term. A longer term lowers the monthly instalment and raises the total interest substantially. This is the trade-off at the centre of every mortgage: affordability now versus total cost over time. Neither answer is wrong, but choose deliberately rather than defaulting to the longest term that gets you approved.

The deposit. Expect to need a meaningful one, and expect it in cash. A larger deposit reduces both the amount borrowed and, usually, the risk the lender prices in.

Your credit record. Pulled before anything else. Check yours before you apply, not after a decline — see how to check your credit score in Kenya.

Your documented income. Mortgages are the least forgiving product for the self-employed, because affordability is assessed on income you can evidence. If you are building toward a home loan, a clean documented income history is worth constructing well in advance.

The costs nobody budgets for

The deposit is what people save for. These are what stall transactions at the last moment, because they are cash costs that cannot be financed:

• Stamp duty — 4% of value in urban areas, 2% in rural areas. On a KSh 6 million urban property that is KSh 240,000.
• Legal fees — conveyancing follows a published remuneration structure; treat it as a guideline and get a written quote covering the whole transaction.
• Valuation fees — the lender's valuation, at your cost.
• Bank arrangement or processing fees.
• Mortgage protection insurance — usually a condition, clearing the loan if you die. Genuinely worth having, and see life insurance in Kenya for how it sits alongside cover you already hold.
• Property insurance — required for the life of the loan.
• Registration and transfer charges.
• Land rates and land rent clearance.

Budget for these separately and in cash. The full picture of what a property transaction demands beyond the price is in buying land in Kenya, and every due-diligence step there — the search, the consents, the clearances — applies to a financed purchase too. The lender's own checks protect the lender, not you.

The relief most borrowers never claim

Per the KRA, mortgage interest is deductible up to KSh 360,000 a year — KSh 30,000 a month — on residential property loans from approved financial institutions.

That is a real reduction in the cost of borrowing, and a large number of eligible Kenyan borrowers simply never claim it.

To use it:

• Confirm your lender is an approved financial institution for this purpose.
• Get the annual interest certificate from your lender each year.
• If you are employed, give it to your employer so it is applied through PAYE; otherwise claim it on your return. See how to file your KRA tax returns on iTax and how PAYE works.

Note the deduction is for the interest, not the capital repayment, and it applies to residential property. If you later let the property out, the income has its own treatment — see rental income tax in Kenya.

Questions to ask before you sign

1. What is the total cost of credit over the full term? Not the monthly figure. The total.
2. Is the rate fixed or variable, and what is it pegged to?
3. What does my instalment become if rates rise significantly?
4. Is a KMRC-backed facility available to me?
5. What are all the fees, including any deducted from the advance?
6. Can I make extra repayments or settle early, and does that cost anything? This matters enormously — the ability to overpay without penalty is one of the most valuable features a mortgage can have.
7. What happens if I miss a payment? Read the default and realisation clauses specifically.
8. Who insures what, and in whose name?

Get every answer in writing. A mortgage is not a product to agree verbally and read later.

Overpaying: the quiet lever

If your agreement allows penalty-free overpayment, it is the most powerful thing available to you.

Because interest accrues on the outstanding balance, money paid early reduces interest for every remaining period. A modest, consistent overpayment can shorten a long mortgage by years and remove a large amount of total interest — without ever renegotiating anything.

The condition is that it must be penalty-free, which is why question 6 above matters more than it looks. Ask before you sign, not after.

Should you buy at all?

Homeownership is close to a default aspiration in Kenya, and it deserves the same scrutiny as any other large allocation.

Buying makes sense when you will stay long enough to absorb the transaction costs, your income is stable enough to survive a rate rise, you have a deposit and the cash costs and a remaining emergency fund, and the instalment leaves room to live.

Renting is the better decision when you may move, when your income is variable, when buying would consume every shilling of savings, or when the instalment only works if nothing goes wrong.

The failure mode to avoid is buying with nothing left over. A mortgage plus an empty emergency fund means the first setback becomes a missed payment, and a missed payment on a secured loan is a different order of problem from a missed payment on anything else — see how to build an emergency fund in Kenya and how to borrow safely in Kenya.

Frequently asked questions

Can I get a mortgage directly from KMRC? No. KMRC is a wholesale institution that funds primary lenders — banks, microfinance banks and saccos. You access it by asking a participating lender for a KMRC-backed facility.

What is a KMRC-backed mortgage? A home loan from a bank or sacco funded by long-term, fixed-rate money from KMRC, which allows longer tenors than the lender's own funding would support. Ask your lender for current eligibility criteria.

How much deposit do I need for a house in Kenya? Expect a meaningful cash deposit, set by the lender and the product. Ask early, because it determines what you should be saving toward.

Can I claim tax relief on my mortgage? Yes — mortgage interest is deductible up to KSh 360,000 a year (KSh 30,000 a month) on residential property loans from approved financial institutions. Get an annual interest certificate from your lender.

What costs come on top of the deposit? Stamp duty (4% urban, 2% rural), legal fees, valuation, bank fees, mortgage protection and property insurance, and registration charges. They are cash costs and cannot be financed.

Should I take the longest term available? It lowers the instalment and raises total interest considerably. Choose the shortest term whose instalment you can comfortably sustain, and prioritise the ability to overpay without penalty.

Can I pay off my mortgage early? It depends on your agreement — some allow penalty-free overpayment, some charge. Ask before signing, because it is one of the most valuable features a mortgage can have.

Reviewed 29 August 2026. The mortgage interest deduction is established from the Kenya Revenue Authority's PAYE guidance; stamp duty rates are the standard urban and rural charges on transfer. KMRC eligibility criteria, lender rates, deposits and fees are set by KMRC and individual lenders and change — confirm current terms directly. General information, not financial advice.