Roysambu sub-county · Nairobi
Roysambu Ward
Roysambu is one of the 5 wards of Roysambu sub-county in Nairobi. It covers about 22.4 km². In our records it is mixed urban with high-density residential and commercial areas.
From the ward boundaries and records on the Nairobi Maps map. Updated 2026-10-10.
Places in Roysambu
- Roysambu Estate
- Mirema
- Garden Estate
- Marurui
- Thome
- Zimmerman
- Kamiti Road
- USIU area
Zoning in Roysambu Ward
What the Development Control Policy 2026 allows depends on the zone. These zones cover Roysambu:
| Zone | Share of ward | Most floors | Coverage | Plot ratio | Smallest plot |
|---|---|---|---|---|---|
| Muthaiga North | 27% | — | — | — | — |
| Ridgeways | 19% | 1 | 50% | 100% | 0.2 ha |
| Garden Estate | 11% | 1 | 50% | 100% | 0.1 ha |
| Thome | 9% | 1 | 50% | 50% | 0.1 ha |
| Marurui | 7% | 1 | 50% | 100% | 0.1 ha |
| Roysambu Commercial Core | 6% | 15 | 60% | 900% | 0.05 ha |
| Mirema | 5% | — | — | — | — |
| Safari Park | 4% | 15 | 50% | 750% | 0.1 ha |
| USIU | 4% | 12 | 50% | 600% | 0.2 ha |
| Marurui (Block 139) | 4% | 6 | 50% | 360% | 0.05 ha |
| Along Thika Road | 3% | 20 | 50% | 1,000% | 0.1 ha |
Building or changing the use here?
Applications go to Nairobi City County on NPDMS. How planning approval works in Nairobi, which approval you need, and what to check on the plot first. Many projects also need NEMA’s environmental licence: NEMA licences in Nairobi.
Water and sewer in Roysambu
On the map, the City Water Reticulation and Trunk sewer layers show the water mains and trunk sewers near a plot in Roysambu. How to apply for a water connection or a sewer connection, Nairobi Water’s regions and the supply days by area.
Registration blocks in Roysambu
- Block 189 · Muthaiga North
- Block 244
- Block 188 · Ridgeways
- Block 186 · Garden Estate
- Block 110 · Marurui
- Block 208 · Survey
- Block 245 · Safari Park
- Block 237 · Karura Forest
- Block 238 · GSU
- Block 139 · Marurui
- Block 45 · Mathari
- Block 219 · Windsor
Wards next to Roysambu
Ward office
Garden Estate Primary School
Member of County Assembly in our ward records: Hon. Sospeter Gathahu Mumbi.
Roysambu ward maps
Drawn maps of Roysambu Ward and its boundary, where we hold them, are listed here with their price and can be downloaded once bought — here or from the ward's panel on the map. If we hold none yet, you can ask us to find one at no charge.
Questions about Roysambu Ward
Which sub-county is Roysambu Ward in?
Roysambu Ward is in Roysambu sub-county, Nairobi City County, alongside Githurai, Kahawa, Kahawa West and Zimmerman wards.
What zoning applies in Roysambu Ward?
Mostly the Muthaiga North zone (about 27% of the ward), then Ridgeways, Garden Estate and Thome. Each zone sets its own floors, ground coverage, plot ratio and smallest plot under the Development Control Policy 2026.
How do I find a parcel in Roysambu Ward?
Open the Nairobi Maps map at Roysambu, zoom in until the parcel outlines appear and tap a parcel — or type its LR, block or FR number into the search box.