Few topics generate more confident misinformation in Dubai than rent increases — half of it repeated by landlords, half by tenants, much of it imported from other countries' rules. So can your landlord increase the rent in Dubai? Sometimes, by a capped amount, with proper notice — and almost every dispute on the subject traces back to one of the five myths below. Here's each belief, and what the law actually says.

Myth 1: "At renewal, the landlord can raise the rent to market rate"

What the law says: Dubai caps renewal increases through Decree No. 43 of 2013, in slabs tied to how far your current rent sits below the RERA Smart Rental Index: less than 10% below market — no increase at all; 11–20% below — up to 5%; 21–30% — up to 10%; 31–40% — up to 15%; more than 40% below — up to 20% maximum. Even a unit renting at half the market rate cannot jump to market in one renewal. Run your own numbers in the index calculator before believing any figure in a renewal letter.

Myth 2: "The increase is valid because it was in the renewal offer"

What the law says: an increase needs 90 days' written notice before the renewal date — a permitted percentage delivered at 60 days is not enforceable that year. This is the rule that quietly moves the most money in Dubai: the notice months, not the renewal months, are the real deadlines. (Dubai isn't unusual in ritualising this moment — England channels the same event through Section 13 notices on prescribed Form 4A, with its own timing traps; we've covered that machinery in our England rent increase guide for landlords operating in both markets.)

Myth 3: "Rent can't increase for the first three years"

What the law says: that rule belongs to Sharjah (and a similar concept applies in Ajman) — not Dubai. In Dubai, an increase is possible at any renewal, including the first, if the index permits it and notice was proper. This is the classic cross-emirate confusion: each emirate runs its own tenancy regime, and importing a neighbour's rule costs real money in both directions.

Myth 4: "Refuse the increase and the landlord can just evict you"

What the law says: a tenant who disputes an unlawful increase risks nothing by standing on the rules — disagreements go to the Rental Dispute Center, and eviction has its own separate law: 12 months' notarised notice on specific legal grounds (sale, personal use, major works). Refusing an illegal increase is not a ground. A tenant facing "accept it or leave" over a non-compliant figure holds better cards than they usually realise — the renewal process continues while the number gets resolved.

Myth 5: "The landlord can catch up next year for the increase they missed"

What the law says: each renewal stands alone. A missed 90-day window means that year's permitted increase is simply gone — it doesn't bank, stack, or double into the next cycle, where a fresh index check and fresh notice are required. For landlords this is the compounding argument for renewal discipline; for tenants, it means last year's silence isn't a debt you owe.

Where RIOO fits

Every myth above becomes harmless when the renewal process is systematic: RIOO surfaces each tenancy 90+ days out with its index check attached, generates the notice on time, and keeps the record that settles any later dispute. See RIOO in action — book a demo.

Conclusion: the rules favour whoever actually knows them

Dubai's rent increase regime is neither landlord's-market folklore nor tenant's-forum folklore — it's a calculator, a percentage table, and a deadline. Landlords who work the index and the notice window collect every dirham the law permits; tenants who know the slabs and the 90-day rule never pay a dirham it doesn't. The five myths persist because checking takes ten minutes; the ten minutes win every time.

Frequently asked questions

Q1. Can my landlord increase rent after the first year in Dubai?
Yes, if two conditions are met: the RERA index permits an increase for your unit's rent level, and written notice reached you 90 days before renewal. No three-year protection applies in Dubai — that's Sharjah's rule.

Q2. How do I check if my rent increase is legal?
Enter your details in the RERA rental index calculator (via the Dubai REST app or DLD site): it shows your unit's market band and the maximum permitted increase, if any. Then check the notice date — both the percentage and the 90 days must be right.

Q3. What if my landlord increased rent without notice?
An increase without the 90-day notice isn't enforceable at that renewal — raise it in writing, and if pressed, the Rental Dispute Center resolves it. Keep the correspondence; dates decide these cases.

This article is for general information, not legal advice. Rent increases are governed by Decree No. 43 of 2013 under Law No. 26 of 2007 (as amended) — full texts at the Dubai Legislation portal. Confirm your position via the RERA calculator or a licensed advisor.