Registration block · Dormant
Nairobi Block 46 (Mathare East)
Nairobi Block 46, Mathare East, is a land registration block in Nairobi: parcels here are numbered Nairobi/Block 46/ and the plot number. It covers about 1 km² in Ngei, Huruma and Mabatini wards and holds about 646 parcels.
From the survey blocks and parcel cadastre on the Nairobi Maps map. Updated 2026-10-24.
Finding a plot in Block 46
Type the block and plot number into the search box on the map — 46/ followed by the plot number, or Nairobi Block 46/ and the plot. Capital letters, spaces and words like “Nairobi” or “Block” do not matter. The map opens on the parcel, with its size, its zoning and its survey plans. The details behind a parcel are for Gold and Platinum members; the outlines are free to see.
Zoning in Block 46
| Zone | Share of block | Most floors | Coverage | Plot ratio | Smallest plot |
|---|---|---|---|---|---|
| Mlango Kubwa, Huruma and Mathare | 100% | 8 | 50% | 400% | 0.05 ha |
Wards
Blocks next to Block 46
- Block 45 · Mathari
- Block 95 · Spring Valley
- Block 130 · Mathare Ngei 1
- Block 191 · Huruma
- Block 213 · Moi Airbase
Survey plans for Block 46
The Registry Index Map sheets for this block show every parcel in it with its number. On the map, tap the block in the Survey Blocks layer: each sheet is listed and can be bought on its own by Gold and Platinum members. A parcel’s own survey plan (FR) is in its details.
The block’s gazetted boundary
Nairobi block 46 commences on Juja road at co-ordinate (262132mE, 9860557mN) the boundary point with Nairobi block 45 and proceeds north westwards for a distance of 340 meters to the intersection with Mathare river at co-ordinate (262001mE, 9860871mN). Thence north eastwards along Mathare river in a curvilinear shape for a distance of 1248 meters to the boundary intersection point with Nairobi block 95 at co-ordinate (262851mE, 9861395mN). Thence south eastwards for a distance of 227 meters to co-ordinate (262955mE, 9861193mN) and then north eastwards for a distance of 241 meters to intersection boundary point with Nairobi block 191 at co-ordinate (263164mE, 9861313mN). The block boundary takes south eastwards direction for a distance of 112 meters in a curvilinear shape to co-ordinate (263211mE, 9861217mN), then south westwards for a distance of 63 meters to co-ordinate (263159mE, 9861186mN) and further southwards in a curvilinear shape for 96 meters to co-ordinate (263195mE, 9861101mN). Thence south westwards for a distance of 210 meters to co-ordinate (263015mE, 9860992mN) and then southwards for 92 meters to co-ordinate (263021mE, 9860902mN). The block boundary proceeds eastwards along a road for 358 meters in a curvilinear shape to the intersection with Mathare road the boundary point with Nairobi block 191 at co-ordinate (263351mE, 9860973mN). Thence southwards along Mathare road for a distance of 286 meters to the intersection with Juja road which is also the boundary point with Nairobi block 130 at co-ordinate (263350mE, 9860688mN). Thence westwards generally along Juja road for a distance of 503 meters on the boundary line of Moi Air base to co-ordinate (262852mE, 9860765mN) and further south westwards on the same road and boundary line for a distance of 749 meters to where it commenced at co-ordinate (262132mE, 9860557mN). The abuttals of Nairobi block 46 are Nairobi block 95 to the north, Nairobi block 130 and 191 to the east, Nairobi block 213 to the south and Nairobi block 45 to the west.
The official description of the block’s boundary, as recorded. Coordinates are in metres on the survey grid.
Questions about Block 46
What is Nairobi Block 46?
A land registration block in Nairobi, known as Mathare East. Parcels in it are numbered Nairobi/Block 46/ followed by the plot number, and the block has its own Registry Index Map sheets.
How many parcels are in Nairobi Block 46?
About 646 on the Nairobi Maps cadastre; half of them are smaller than 0.0141 ha.
Where is Nairobi Block 46?
In Ngei, Huruma and Mabatini wards, Mathare sub-county, covering about 1 km².
How do I find a plot in Nairobi Block 46?
Type the block and plot number into the Nairobi Maps search box — for example 46/ followed by the plot number, or Nairobi Block 46/ and the plot. The map opens on the parcel with its size, zoning and survey plans.