though your floor plan is not clear, but find below cost of a four bedroom bungalow from start to finish and attached is a sample plan.

cc: peggywebbs , bal2012002
The Cost of the Four bedroom bungalow

1. foundation 1,120,471.2
2.block and concrete works                    913,919.2
3.timber roof members and roof tiles  1,145,583.2
4.doors                                                          403,200
5.aluminium window                                   156,384
6.plaster of paris(p.o.p)                              496,800
7. tiles                                                            613,944
8.plastering and dressing                          173,664
9.soil and waste pipe                                    19,584
10.water supply pipes                                   55,209.6
11.electrical conduit pipes and boxes       73,152
12.sanitary fittings                                        128,635.2
13.electrical wiring                                        132,120
14.painting                                                       169,293.6
15.electrical fittings                                          54,907.2
16.septic tank and soakaway                       111,240
17. inspection chambers                                  11,808
18.soil drain                                                        15,552
                                
  Total is    5,795,467.2 naira only.

I want this plan. Kindly email me. Williswachira@gmail.com