Valuation of Building – Methods and Calculation of Valuation

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It is the technique of estimating and determining the fair price or value of a property such as a building, a factory, land or other engineering structures of various types etc. In other words, the valuation of a building or property is the method of calculating the present marketable cost of a building. Valuation of a building depends on the sort of building, its structure, durability, location, size, shape, the width of roads, frontage, types and quality of building materials used and the cost of these materials.

Valuation of a building also depends on the height of the plinth, height of the building, thickness of its walls, nature of structure (such as load bearing or framed structure), type of flooring, roofing, doors and windows etc.

The location of a building also plays an important role in deciding its value of a building. For example, a building located in a market area would have a stronger and higher valuation than the same building located in a residential area. Also, the buildings located in areas with proper municipal water supply, sewer and electricity have increased values. A building located on freehold land generates a higher valuation amount compared to a building located on leasehold land.

The valuation of a building also depends on the demands for purchase which varies from time to time. More demands make the building more valuable.

A building may provide income to the owner in the form of rent; thus valuation also depends on the income the building can generate if let out. If a building is not let out, then 6% of the capital cost of the building is considered as the annual rent. It varies from time to time and location and depends on the prevalent market rate.

Purposes of Valuation

The main purposes of building valuation are as follows-

Buying a Property

When it is required to buy or sell a property, its valuation is required.

Taxation

To assess the tax of property, valuation is required. Taxes may be included municipal tax, health tax, Property tax, etc. and all the taxes are fixed on the valuation of the structure.

Rent Function

In order to determine the rent of a property, it is required. Rent is usually fixed on a certain percentage of the amount of valuation e.g. 6% to 10% of the valuation of structures.

Mortgage or Security of loans

When loans are taken for the security of the property, a valuation is required.

Compulsory acquisition

When a property is acquired by law, compensation is paid to the owner. To determine the amount of compensation, a valuation of the property is necessary.

Salvage value

It is the approximate resale value of a property at the end of its useful life. Salvage value is deducted from the cost of a fixed asset to determine the amount of the asset cost that will be depreciated.

Scrap value

It is defined as the Value of dismantled materials. For a building when its life is over at the end of its utility period, the dismantled materials like steel, timber, bricks, etc will fetch a certain value which is called the Scrap Value of that building.

Market value

It is the property is the amount that can be obtained at any particular time from the open market if the property is put on for sale. Market Value may differ from time to time according to demand and supply.

Sinking fund

It is a technique for depreciating an asset while generating enough money to replace it at the end of its useful life. This fund sits in a sinking fund account and generates the interest value of the property.

Book value

It is the amount shown in the account book after allowing the necessary depreciation. The Book Value of the property in a particular year is the original cost minus the amount of depreciation up to the previous year.

Depreciation

This term represents the reduction in the market value of an asset due to age, wear and tear, and obsolescence.

Calculation of Valuation of Building or Property

Age of property affects the valuation of the building, so the age of the property should be known from the records or by enquiries or from visual inspection and the future life of the building should be ascertained.

The valuation of the building is calculated by finding the present-day cost of the building and allowing a suitable depreciation. The present-day cost of the building can be calculated by:

Cost from the Record

The cost of construction can be determined from the estimations, the bill of quantities and using the present-day rate of building materials and labour. If the actual cost of construction of the building is known, this cost can be manipulated by using the percentage of increase or decrease to the present-day rate of materials and labour.

Cost by Detailed Measurement

If the old record is not available, then the cost of construction can be calculated by a detailed measurement of the building and preparing the bill of quantities of various items of work. The present rate of materials and labour are used to calculate the cost of the building.

Cost by Plinth Area Method

The plinth area method of calculating the cost of a building is simpler than the detailed measurement method which is laborious and lengthy. In this method, the plinth area of the building is measured and calculated and the plinth-area rate of a similar building in the locality is obtained by enquiry and cost is calculated.

The plinth area method may not be accurate if the building is not thoroughly examined and compared with the reference building of the locality. To fix this problem, different parts of the building such as the foundation, structure, floor, roof, doors, windows, finishing etc. should be thoroughly examined. If the plinth area method is judiciously used, then the cost calculation will be precise and sufficient to suit practical purposes.

Determination of Depreciation

Depreciation is allowed to the current cost of the building to calculate the valuation of the building or the structure. Depreciation depends on the use of the building, age of the building and type of maintenance etc. generally, for the first 5 to 10 years, there is very little depreciation of the building or the structure. The depreciation increases with the age of the building.

Consider a building with a life of 80 years, if well maintained, the following table shows the depreciation with the age of the building:

Age of BuildingDepreciation per YearTotal Depreciation
0 to 5 yearsNil
5 to 10 years@ 0.5%2.5%
10 to 20 years@ 0.75%7.5%
20 to 40 years@ 1 %20 %
40 to 80 years@ 1.5 %60 %
 Total =90 %

The final 10% is the scrap value on the dismantling at the end of the utility period.

Methods of Valuation of Buildings and Properties

Following are the different methods of valuation of the property:

  1. Rental Method of Valuation
  2. Direct comparison with a capital value
  3. Valuation based on profit
  4. Valuation based on cost
  5. Development method of valuation
  6. Depreciation method of valuation

Let’s discuss them one by one.

Rental Method of valuation

In this method, net income from the building is calculated by deducting all the outgoings from gross rent. The year’s purchase (Y.P.) value is calculated by assuming a suitable rate of interest prevailing in the market. For example, consider a rate of interest as 5%, the Year’s Purchase = 100/5 = 20 years.

The net income multiplied by the year’s purchase gives the capitalized value or the valuation of the property. This method is used only when the rent is known or probable rent is determined by enquiries.

Direct Comparison with Capital Value

When the rental value is not known, this method of direct comparison with the capital value of a similar property of the locality is used. In this case, the valuation of the property is fixed by direct comparison with the valuation or capitalized value of similar property in the locality.

Valuation based on Profit

This method of valuation is suitable for commercial properties such as hotels, restaurants, shops, offices, malls, cinemas, theatres etc. for which the valuation depends on the profit. In such cases, the net annual income is used from the valuation after deducting all the outgoings and expenses from the gross income. The valuation of a building or property is found by multiplying the net income by the year’s purchase. The valuation, in this case, can be too high in comparison with the actual cost of construction.

Valuation based on Cost

In this case, the actual cost of construction of the building or the cost incurred in possessing the building is considered as the basis to determine the valuation of the property. In this case, necessary depreciation is allowed and points of obsolescence are considered.

Development method of valuation

This method is suitable for properties which are under the developmental stage. For example, if a large place of land is to be divided into plots after provision for roads and other amenities, this method is used. The probable selling price of the plots, the area required for amenities and other expenditures for development is considered for valuation.

The development method of valuation is also used for properties or buildings which are required to be renovated by making alterations, additions, improvements etc. The value is calculated based on the anticipated net income generated from the building after renovation work is complete.

The net income multiplied by the year’s purchase gives the valuation of the property. The actual cost of the property with a total cost of renovation shall be compared with the anticipated value of the property to decide if the renovation is justified.

Depreciation Method of Valuation

Based on the depreciation method, the valuation of the buildings is divided into four parts:

  1. Walls
  2. Roofs
  3. Floors
  4. Doors and windows

The cost of each part at the present rate is calculated based on detailed measurements. The life of each part is calculated by the formula:

D = P [(100 – rd)/100)]n

where,

D = depreciated value

r = rate

d = depreciation

n = age of building in years

rd values are considered as per the following table:

Life of Buildingrd
100 years1.0
75 years1.3
50 years2.0
25 years4.0
20 years5.0

The valuation calculated is exclusive of the cost of land, amenities, water supply, electrical and sanitary fittings etc. and is used only for buildings which are well maintained. If it is not well maintained, then suitable deductions are considered in the valuation calculated above. The present values of the land, amenities, water supply, and electrical and sanitary fittings should be added to find the valuation of the property.

I hope this article will help you to understand the Blueprint Symbols for Architectural, Electrical, Plumbing & Structural Steel. You may also want to see my other post on my Blog. If I have missed anything here, please let me know about that in the comment below this post.

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