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Not every change to a house needs the same approval. Repainting a living room is very different from removing a wall, adding a floor or turning a home into an office. In Rwanda, the type of work decides which permit you need, and choosing the wrong one is a common cause of delays.
This guide explains the main building permit services for existing buildings, what each one covers, and how to decide which applies to your project. All of them are applied for online through IremboGov, under Building Permit Services, and are reviewed by the Rwanda Housing Authority (RHA).
| Your project | Service to look at | Fee and processing time stated by Irembo |
|---|---|---|
| Painting, interior finishing, minor repairs | Refurbishment of existing buildings without structural alteration | Free, 30 days |
| Changes to walls, columns or foundations | Refurbishment of existing buildings with structural alteration | Free, 30 days |
| Changing an approved project’s design, structure or scope | Construction project modification | From Rwf 20,000 depending on floor area; 30 days for up to 100 m² |
| Using the building for a different purpose, such as residential to commercial | Change of building use permit | Depends on the case, 30 days |
| Your existing permit needs more time | Renewal of permit | Depends on the case, 30 days |
Fees and times above are as published on Irembo’s help pages when we checked them in October 2026. Always confirm the current figures before you apply.
This covers work that improves a building without touching its structure. Irembo gives painting, interior finishing and minor repairs as examples. It is open to individual owners and to companies maintaining properties, and the application asks for the plot UPI, owner details, building information and architect or engineer details. See Irembo’s guide to refurbishment without structural alteration.
If your renovation changes walls, columns or foundations, it needs the structural alteration service. This is where professional input matters most: removing or cutting into a load-bearing wall without an engineer’s design can put the whole building at risk. Irembo notes that you can assign the application to an engineer or architect, and advises consulting them first to avoid delays. See Irembo’s guide to refurbishment with structural alteration.
Not sure who should design the change? Our guide to architects, engineers and contractors in Rwanda explains who does what.
If you already hold a construction permit and want to change the approved design, structure or scope, Irembo lists a separate construction project modification service. Its help page states that it is for registered companies, with fees from Rwf 20,000 for up to 100 m² of built-up area, rising with the size of the project. See Irembo’s guide to construction project modification.
The same principle applies if you bought land with an approved permit: our article on building permit transfer explains that the permit only transfers if the approved project stays the same.
Turning a house into offices, a shop or a guest house is a change of use, even if you do not build anything. RHA reviews these requests against zoning, safety and construction rules. See Irembo’s guide to the change of building use permit.
If your project is taking longer than your permit allows, apply to renew it rather than continuing on an expired permit. Irembo describes the renewal service for holders of a current construction or renovation permit.
Adding a room, a floor or a large structure usually changes the building’s structure and footprint. Before you design an extension, check with a registered professional or your district One Stop Centre which service applies to your plot. For a plot with no permit history, the starting point is a new construction permit, explained in our construction permit guide.
For an apartment or interior renovation, our sister studio’s step-by-step guide to apartment renovation in Kigali covers the planning side.
This article is general guidance based on Irembo’s published help pages, checked in October 2026. Procedures and fees can change, so confirm the requirements for your project on IremboGov or with your district One Stop Centre.
Irembo lists painting, interior finishing and minor repairs under the refurbishment without structural alteration service, which it shows as free with a 30-day processing time.
If the wall is structural, the work falls under refurbishment with structural alteration and needs an engineer's input. Have a professional confirm whether the wall is load-bearing before any work starts.
Yes. That is a change of building use, which RHA reviews against zoning and safety rules.
On IremboGov, under Building Permit Services. You can also assign the application to your architect or engineer.
Irembo's help pages give 30 days for these services. Confirm the current timeline when you apply.
RIORI helps you work out what needs approval, prepares the drawings and BOQ, and carries out the renovation.
Talk to our teaminfo@riori.rw · +250 780 728 908