pomps:

the cost varies from location to location but a brake down for a 3 bedroom bungalow will look like this
Foundation level.
Note all price varies depending on location
About 2000 pieces of block @100 =Naira200000
2 trips of stone for foundation casting @30000=Naira60000
5 trips of sand @10000=Naira40000
3 trips of stone for German floor @30000 =Naira90000
About 30 bags of cement for block work and another 50 bags for German flooring =80@1500 =120000
Planks, nails,red soil for filling of foundation =60000
( This cost depending on the land topography but a trick is to dig the toilet reservoir(soakaway) and use the removed soil to fill the foundation, this reduces the amount of red soil you will buy.)
Digging of foundation and cost of labor =200000

My assumption of a German floor is that it is the same as a raft foundation. A raft foundation basically works on the principles of dead load+Live load=Total weight of soil removed. Therefore, soil entrapped and compressed will give a resultant force to carry total weight of same, hence the float. To me, this means there would have to be quite a significant amount of reinforcement required for the trap walls which will be tied to the slab. I find it surprising that you have not included the cost of steel reinforcement in your costing.

Also, who stakes out the perimeter of the foundation? would this not be a surveyor or engineer? What about the costs involved in getting a professional to do this? An Engineer will also be required to inspect the steel reinforcement before the pour for this monolith. Is there a generic design that you guys use for your rafts? Meaning the floor beams and their spans?

foundation alone Approximately:770000

Block work to roofing level:
4000 pieces of block @100 =400000
6 trips of sand for block work and linter casting @10000=Naira60000
3trips of stone for casting @30000=90000
Plank and other accessories for linter level casting =50000(depending on house design)
100 bags of cement @1500=150000
labor cost:280000

Total for block work:Naira1030000

Roofing work.
Cost of wood for roofing:300000(depending on style)
Cost of carpenters work:150000
cost of aluminum roofing:500000(depending on roofing style and choice of aluminium sheet)
cost of mounting aluminum:50000

Roofing total:1000000

what about the cost of ceilings? What materials do you usually spec to do this? Do you use gypsum boards? How do you ventilate the attic areas, do you use continuous vents at the cornice as well as ridge vents, or turtle backs? Did you include these costs as well?

Door and Frames & Aluminum windows and burglary frames.
7000 per door and frame.(for 3bedroom assuming 10 doors)=70000

depending on window design and number(for 3 bedroom) =200000
Frame burglary proof @5000(assuming 10)50000

Total 320000

I noticed that in Nigeria people hardly use thresholds which help to reduce the heat loss from the inside and prevents insects and rats from entering the house. This also makes a home more energy efficient, you know? What about hardware and locks?

Plastering
100bags of cement@1500=150000
5trips of sand@12000=60000
cost of labor : 150000
Total 360000

Electrical and plumbing work
According to taste:150000

Total150000

In your electrical, do you do this to IBC code meaning the presence of a receptacle within 12 feet of any spot in the house? How many switches and what options do you have in multiple way switches? What is your allowance for light fixtures and how many openings total in the complete house? Any exterior lighting included? Low voltage for garden lights? What power service panel do you include and at what wattage? Do you use GFCI for your receptacle that could be used for a shaving apparatus in the bathroom?

In your Plumbing, do you include tilework, mirrors, faucets, cabinets, exhaust fans, flooring, fixtures etc? Or do you just put a tap against a wall for all purposes? How many hose bibs do you provide for the outside, like to wash cars or spray the lawn?

Fence
a plot of land:
5000 pieces of block @100=500000
cement 100 bags for block work and plastering@1500=150000
gates 50000 (depending on taste)
labor:150000
Total:850000

Tires,internal furnishing,painting,will also take some money from you.

so totally between Naira4480000 and Naira5.5million to make the house habitable

There are quite a number of other things that I noticed missing in your list that I believe are requirements for basic housing, but I will only mention one more, what about the flooring. What is the standard for your flooring? Do you just paint the concrete floors or do you assume terrazzo for the whole house? Is carpet or tile standard in the bedrooms or nothing at all?

But believe me don't be afraid, i have done it purely from hard work,the beauty is that you can build it at your own pace,you must not have the whole money at once but build as the money comes in.

mail me if you need more info


Once again thanks for sharing your efforts. Please do not take my questions as ridiculing you. I am just getting educated about what the expected norms and standards are in the typical Nigerian scenario. I had to address all these issues and more in the Homes that i built in the USA. This may be the reason why I am being shocked at the numbers being thrown around nairaland as costs of building homes. I just want to make sure that I am comparing Apples to apples, and not Apples to Oranges.

ajileko:

Alternatively, you can do this: B = (P/L) * R which interpret to
B = (866.141 inches/18) * 4 where

B = # of Blocks
P = Perimeter of the building: 866.141 inches (convert 2200cm to inches)
L = Length of the block: 18 inches (convert 46cm to inches)
R = # of layers or coaches (In this case 4)

Always allow 5% for excess or waste just in case.

ajileko:

Oti de ooo, Iwo omo ato un rinwa yi, O need lati ma d'obo constantly kole ma relax, nitori wipe oti waste time e ni abroad and now owa'n try lati catch up. But Ogbodo humble ara re because awon agba ni pa owe wipe omo to ba fe mose ogbodo ni iteriba fun oga re.

calcal:

Guys, this is what they don’t want you to know.

HOW TO CALCULATE COST OF LABOR FOR BLOCK SETTING

If the average cost of 9x9x18 block is 120 naira the cost of setting one block should be between 25 – 60 naira

Setting 3000 blocks for a bungalow this should be:

MIN 25 naira/block you have 25 x 3000 = 75000 naira;
MAX 60 naira/block you have 60 x 3000 = 18000 naira.

The above calculations will help to make better decision when negotiating.

HOW TO CALCULATE QUANTITY OF CEMENT NEEDED FOR BLOCK SETTING

- 2 bags of cement (50kg/bag) is good to mix 12 head pans of sand;
- The above mixture is good to set 100 blocks.

for 3000 blocks this what you need

2 bags of cement = 100 blocks
C bags of cement = 3000 blocks

C = (2 x 3000)/100 = 60 bags of cement only to set 3000 blocks.

heilige:

@ajileko or any other person.

Can someone tell me, if we have architects in 9ja who can draw or builders who can build the type of buildings we find in USA, florida to be precise.?
Can someone estimte cost of a 4bedroom all ensuite with indoor swimming pool bongalow, all with red burnt bricks ?