How to Find House Construction Cost
Any house construction work started before need some basic detail like before staring work completion. How much cost requirement in house construction. Here, Before construction, we calculate two types of construction cost
1. Basic / Ruf / Lumsum Calculation
2. Final Calculation
Basic / Ruf / Lumsum Calculation
Basic / Ruf / Lumsum Calculation is before start work calculation. This calculation, we calculate as per our working experience & thumb rule.
So, Here we calculate house construction cost as per our working experience & thumb rule. This house construction cost calculates unit in as per sq ft or sq mt. Mostly person calculates residential construction cost per sq ft. In this method, all work calculate in % as per below table.
| Sr. No. | Item of work | Percentage of total work |
| 1 | All Type Drawing | 1% |
| 2 | Excavation in ordinary soil and concrete | 3% |
| 3 | Foundation | 5% |
| 4 | Construction up to plinth | 5% |
| 5 | Superstructure in brickwork | 25% |
| 6 | Roofing including waterproofing | 12% |
| 7 | Flooring | 6% |
| 8 | Wood-work, i.e., Joinery, doors, and windows | 13% |
| 9 | Internal finishes | 6% |
| 10 | External finishes | 5% |
| 11 | Water supply | 5% |
| 12 | Sanitary work | 5% |
| 13 | Electrification | 5% |
| Total | 100% |
Above table give me basic detail for Basic / Ruf / Lumsum percentage particular cost. This percentage calculation converts into per sqft how much cost requirement as follow table.
| Sr. No. | Item of work | Percentage of total work | Enter Your House Area in Sq ft |
| Construction Rate per Sq ft |
700 (as per our area) | 1,500 (Working Area) | |
| 1 | All Type Drawing | 1% | 10,500 |
| 2 | Excavation in ordinary soil and concrete | 5% | 52,500 |
| 3 | Foundation | 6% | 63,000 |
| 4 | Construction upto plinth | 6% | 63,000 |
| 5 | Superstructure in brickwork | 25% | 262,500 |
| 6 | Roofing including waterproofing | 12% | 126,000 |
| 7 | Flooring | 6% | 63,000 |
| 8 | Wood work i.e. Joinery, doors and windows | 13% | 136,500 |
| 9 | Internal finishes | 6% | 63,000 |
| 10 | External finishes | 5% | 52,500 |
| 11 | Water supply | 5% | 52,500 |
| 12 | Sanitary work | 5% | 52,500 |
| 13 | Electrification | 5% | 52,500 |
| Total | 100% |  ₹1,050,000 |
Ruf – House Construction Cost Calculator Excel Sheet – Download
Video tutorial for better understanding:
Final CalculationÂ
This method used the two main calculations required the first Rate of Items like Footing, RCC and second Quantity in Unite. Item rate is same of his name rate of the item, ant item rate finalization by rate analysis method
This method requires some drawings like Architecture (Plan, Elevation, Section, Masonry, Detail Drawing), Structure (Footing, Column, Slab, Beam, Etc.), MEP (Mechanical, Electrical, Plumbing) Etc. In this method as per drawing find Quantity for a different type of work as per below
1. Excavation
2. Footing
3. Backfilling
4. Plinth
5. Anti Termite
6. Plinth Protection
7. Column
8. Slab Casting
9. Brick Masonry
10. In-Side & Out Side Plaster
11. Plumbing
12. Electrical
13. Flooring
14. Door & Window
15. In-Side & Out-Side Paint
16. Cleaning
17. Reinforcement Steel
In this find, quantity required material details, like Footing. One footing How much quantity requirement details like reinforcement, shuttering, cement, aggregate, sand, water, etc. In this calculation invitational calculation of all item quantity.
How to Find Construction Cost as Below Sheet
| Sr.No. | Building Construction | Unit | Rate | Qty | Amount |
| 1 | Excavation | Â Cum | Â 151.00 | Â 105.96 | Â 15,999.96 |
| 2 | Footing | Â Cum | Â 4,623.00 | Â 1.88 | Â 88,946.52 |
| 3 | Backfilling | Â Cum | Â 125.00 | Â 88.40 | Â 11,050.50 |
| 4 | Plinth beam | Â Cum | Â 4,819.00 | Â 3.89 | Â 18,745.91 |
| 5 | Anti- Termite Treatment | Â Sqm | Â 69.00 | Â 93.16 | Â 6,428.04 |
| 6 | Plinth Protection | Â Sqm | Â 410.00 | Â 24.53 | Â 10,057.30 |
| 7 | Column | Â Cum | Â 4,944.00 | Â 0.76 | Â 3,757.44 |
| 8 | Slab | Â Cum | Â 5,106.00 | Â 9.89 | Â 50,498.34 |
| 9 | Brick Masonry | Â Sqm | Â 1,150.00 | Â 13.06 | Â 15,019.00 |
| 10.1 | External Plaster | Â Sqm | Â 395.00 | Â 310.08 | Â 122,481.60 |
| 10.2 | Internal Smooth Cement Plaster | Â Sqm | Â 230.00 | Â 68.04 | Â 15,649.20 |
| 11 | Plumbing | Rmt | Â 200.00 | Â 465.80 | Â 93,160.00 |
| 12 | Electrical | Rmt | Â 210.00 | Â 465.80 | Â 97,818.00 |
| 13 | Flooring | Â Sqm | Â 1,413.00 | Â 56.96 | Â 80,484.48 |
| 14.1 | Door | Â Sqm | Â 5,990.00 | Â 12.10 | Â 72,493.38 |
| 14.2 | Window | Sqm | Â 590.00 | Â 61.60 | Â 36,344.00 |
| 15.1 | Plastic Emulsion Paint | Sqm | Â 214.00 | Â 174.03 | Â 37,242.42 |
| 15.2 | Apex paint | Sqm | Â 128.00 | Â 451.19 | Â 57,751.68 |
| 16 | Cleaning | Sqm | Â 100.00 | Â 93.16 | Â 9,316.00 |
| 17 | Reinforcement Steel | Â M.T. | Â 56,753.00 | Â 4.85 | Â 274,968.29 |
| Total Amount | Â 1,118,212.05Â |
FAQs about Estimating House Construction Costs:
What factors influence the cost of house construction?
The cost of house construction is influenced by factors such as the size of the house, the quality of materials used, location-specific labor costs, complexity of design, and local building regulations.
Why is it important to estimate construction costs before starting a project?
Estimating construction costs helps in budgeting and financial planning. It ensures that the project stays within budgetary limits and allows for adjustments to be made before construction begins.
What are the advantages of using the Basic/Rough Estimate method?
The Basic/Rough Estimate method provides a quick assessment of construction costs based on generalized percentages. It is useful for initial budget planning and feasibility studies.
When should I use the Final Calculation method instead of the Basic/Rough Estimate method?
The Final Calculation method is preferred when detailed accuracy is needed. It involves itemized rates and quantities derived from architectural and engineering drawings, providing a more precise cost estimate.
How accurate are these cost estimates?
The accuracy of cost estimates can vary. Basic estimates are typically less accurate due to generalized percentages, while final calculations using detailed drawings and item rates offer higher accuracy.
What should I consider when choosing between different construction materials?
Consider factors such as durability, maintenance requirements, energy efficiency, and initial cost when choosing construction materials. These choices can significantly impact both construction costs and long-term expenses.
How can I reduce construction costs without compromising quality?
To reduce costs, consider value engineering options such as optimizing building design, exploring alternative materials, comparing multiple contractor bids, and timing construction during favorable economic conditions.
What are some common pitfalls to avoid during cost estimation?
Avoid pitfalls such as underestimating costs for specialized materials or labor, neglecting to account for contingency funds, overlooking site-specific challenges, and failing to update estimates as the project progresses.
How do I handle unexpected cost increases during construction?
It’s crucial to have a contingency fund set aside (typically 5-10% of the total project cost) to cover unexpected expenses. Regular monitoring of expenses and effective communication with contractors can help manage cost increases.
Where can I find professional assistance for construction cost estimation?
Seek assistance from architects, quantity surveyors, or construction cost consultants who specialize in estimating and managing construction costs. They can provide expert guidance and ensure accurate project budgeting.
