Registration block · Dormant
Nairobi Block 45 (Mathari)
Nairobi Block 45, Mathari, is a land registration block in Nairobi: parcels here are numbered Nairobi/Block 45/ and the plot number. It covers about 2 km² in Roysambu, Hospital and Mlango Kubwa wards and holds about 1,277 parcels.
From the survey blocks and parcel cadastre on the Nairobi Maps map. Updated 2026-10-24.
Finding a plot in Block 45
Type the block and plot number into the search box on the map — 45/ followed by the plot number, or Nairobi Block 45/ 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 45
| Zone | Share of block | Most floors | Coverage | Plot ratio | Smallest plot |
|---|---|---|---|---|---|
| Mlango Kubwa, Huruma and Mathare | 62% | 8 | 50% | 400% | 0.05 ha |
| Muthaiga North | 28% | — | — | — | — |
| Old Muthaiga | 8% | 1 | 25% | 50% | 2 ha |
Wards
Blocks next to Block 45
- Block 9 · Muthaiga East
- Block 40 · Pangani
- Block 46 · Mathare East
- Block 49 · Eastleigh North
- Block 95 · Spring Valley
- Block 208 · Survey
- Block 213 · Moi Airbase
- Block 230 · Karura Gigiri
- Block 246 · Ruaraka
Survey plans for Block 45
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 45 commences at co-ordinate (259828mE, 9860920mN) the intersection of Kiambu road to Thika road adjacent to Muthaiga police station Thence westwards for a distance of 57 meters across Kiambu road at co-ordinate (259771mE, 9860922mN). It then runs northwards on Kiambu road for a distance of 358 meters to co-ordinate (259867mE, 9861267mN). It then joins Old Kiambu road and runs in a curvilinear shape northward for a distance of 524 meters to co-ordinate (259943mE, 9861701mN) the intersection point of Nairobi block 9 with the boundary of Nairobi block 230. Thence eastwards for 42 meters to co-ordinate (259980mE, 9861705mN) and south eastwards in a curvilinear shape towards Kiambu road for a distance of 137 meters to co-ordinate (260032mE, 9861593mN). The boundary then crosses Kiambu road for a distance of 52 meters’ south eastwards to point co-ordinate (260076mE, 9861567mN). Thence north eastwards along Kiambu road for a distance of 398 meters to co-ordinate (260268mE, 9861915mN) where it intersects with the boundary point of Nairobi block 230. It then runs along Nairobi golf course boundary north eastwards for a distance of 409 meters to co-ordinate (260664mE, 9861996mN) and further south eastwards along the same boundary for a distance of 291 meters to a corner point at co-ordinate (260934mE, 9861888mN). Thence south westwards for a distance of 654 meters to co-ordinate (260648mE, 9861300mN) and then it takes westwards direction for a distance of 193 meters to the intersection with Mathare river at co-ordinate (260460mE, 9861341mN). The boundary of block 45 then proceeds in a curvilinear shape south eastward along the river to a point across Thika road at co-ordinate (260858mE, 9861112mN) a distance of 570 meters which is also the intersection boundary point of Nairobi block 246 and 208. Thence south eastwards along the river in a curvilinear shape for a distance of 539 meters to co-ordinate (261229mE, 9860771mN) which is the intersection boundary point of Nairobi block 95 and 246. Thence south eastwards for a distance of 522 meters in a curvilinear shape to the intersection with Mathare river at coordinate (261673mE, 9860622mN) and further north eastwards along Mathare river for a distance of 425 meters to the intersection point with the boundary of Nairobi block 95 at co-ordinate (262001mE, 9860873mN). Thence south eastwards for a distance of 340 meters to co-ordinate (262132mE, 9860557mN) at Juja road which is the intersection point with the boundary of Nairobi block 46. Thence south westwards along Juja road for a distance of 572 meters to a point near Moi Airbase entrance at co-ordinate (261683mE, 9860272mN) and further westwards along the same road for a distance of 1725 meters to the intersection of Juja road and Muratina road which is also the boundary point of Nairobi block 40, 49 and 104 at co-ordinate (259973mE, 9860133mN). Thence northwards along Muratina road to a point near Mathare river boundary a distance of 433 meters at co-ordinate (259894mE, 9860559mN), it then follows the river eastwards to Muratina road on the bridge at co-ordinate (259959mE, 9860581mN) a distance of 73 meters. Thence northwards along Muratina road for a distance of 274 meters to the intersection with Thika road at co-ordinate (259894mE, 9860847mN) and the north westwards across Thika road for a distance of 98 meters to where it commenced on Kiambu road at co-ordinate (259828mE, 9860920mN). Nairobi block 45 abuttals are Nairobi block 208 to the north, Nairobi block 46,95 and 246 to the east, Nairobi block 213 to the south east, Nairobi block 49 to the south, Nairobi block 40 to the south west, Nairobi block 9 to the west and Nairobi block 230 to the north west.
The official description of the block’s boundary, as recorded. Coordinates are in metres on the survey grid.
Questions about Block 45
What is Nairobi Block 45?
A land registration block in Nairobi, known as Mathari. Parcels in it are numbered Nairobi/Block 45/ followed by the plot number, and the block has its own Registry Index Map sheets.
How many parcels are in Nairobi Block 45?
About 1,277 on the Nairobi Maps cadastre; half of them are smaller than 0.014 ha.
Where is Nairobi Block 45?
In Roysambu, Hospital and Mlango Kubwa wards, Roysambu sub-county, covering about 2 km².
How do I find a plot in Nairobi Block 45?
Type the block and plot number into the Nairobi Maps search box — for example 45/ followed by the plot number, or Nairobi Block 45/ and the plot. The map opens on the parcel with its size, zoning and survey plans.