How Much Does an Interior Designer Cost to Hire?

In the past, we've discovered that many customers have issues and concerns about hiring a built-in interior contractor. Especially when it comes to the budget, whether it is reasonable or not.


this article would like to share the main ideas of interior design procedures. As a result, the key principles of interior design methods will be discussed in this article. What is the benefit of massages between the owner and the interior designer, and what are the complications and time constraints during the process? Also included are the bidding and payment methods to provide clear images and peace of mind when selecting a built-in contractor to perform the task. If you're looking for an interior designer, keep the following in mind:


Service fees and the cost of hiring the interior

First and foremost, it is vital to acknowledge that interior design is an art form on its own. Unlike other consumer products, there is no set standard. It's hard to compare prices because they vary depending on a variety of aspects such as skill and talent, reputation, design style, decorative materials, amount of decoration work, project size, travel distance, and so on.

Therefore, the design cost estimation along with other related expenses can be divided according to the structure of service and production can be divided into 5 main parts as follows: Read More about 5 main parts of services and production's structures

When should the payment be made, and how should it be divided?

If the owner has decided on a contractor, the following step is to have the contract signed in writing. The title of this document would be "Construction Contract." The installment payments are divided into five sections as in the construction contract for 168 To Be Design Co.,Ltd. construction kickoff:

○1st installment payment: 40%
The contract will be deemed as an employment agreement on the day of signing, and construction will begin on the contract date according to the content in the contract.

○ 2nd installment payment: 30 %
When the amount of work has progressed up to 50%-60%, This stage will be able to see the work in its form or even begin to build and install built-in furniture in many parts.

○ 3rd installment payment: 20 %
After all of the furniture has been assembled and installed,

○ 4th installment payment: 5 %
After the completion of all details and cleaning.

○ 5th installment payment: 5 %
Handover of the site, inspection and acceptance in writing.

Service Fees

In general, there is no standard price for interior design. There are numerous factors to consider, including the number of furniture items, the materials used, the design style, and the exquisite pattern of the design.

for example, Classic style décor is the most expensive style of decoration. The fee for the company ranges from 30,000 - 80,000 Baht. This is a design that combines exceedingly fine and delicate materials to symbolize a luxurious lifestyle. The inside will be mostly decorated with valuable materials, clear and delicate forms and borders. Using the highest quality materials, such as marble, flannel fabric, and gold decorating elements to make the decoration appears noble and elegant.

Production work requires the most meticulousness and is time-consuming. For example, a business type of services such as an aesthetic and beauty clinic, a restaurant, a coffee shop, or a hotel, will have different pricing than the regular housing. This type of service is more detailed and sophisticated than typical living-space management. The installation of a system is more complex than in regular housing. The circulation and function design method will be based on the type of business. Furthermore, we have a team engaged in user analysis and consumer behaviours related to the customer's industry. In order to evaluate the public perception of products and services. This process enables us in creating an impressive presentation for service users that meets their actual demands.

Price range for design — Residential category

Residentialwill be charged based on the design's actual area. The size of the area determines the pricing range of a design. Because some of the larger areas are frequently left as open space. When comparing prices, the price per square meter of the larger design area may be cheaper than the smaller ones.

1. preliminary pricing to consider. However, pricing is determined by the design difficulties and other relevant factors.
2. Free interior design is included in the turnkey contract.

Price range for design — Business or Retail Categories

This type of service requires more intricate details in terms of living space planning and system design. The circulation of the design process must be considered. Therefore, this type of design charges a higher price than general residential design.

Contractor's price range for interior construction.

As mentioned above, there are numerous factors that influence the pricing of the interior. In terms of design style, materials such as marble, skirting, wall cladding, ornamental mirrors, stainless steel trim, wooden cabinets, and glass cabinets are customized according to the design. As a result, calculating an accurate initial pricing is challenging until the final design and BOQ are complete. However, we may provide an initial price estimate to customers based on measurements of the actual site space, as well as the schematic plan and customers' preference style. The following are some examples of price ranges based on design styles:

Modern Luxury Design


Estimated cost of Interior Construction

15,000-55,000 Baht / Sq.m.

Modern Classic Design

Pricerate10- modern classic

Estimated cost of Interior Construction

15,000-55,000 Baht / Sq.m.

Modern Contemporary

Pricerate11 contem

Estimated cost of Interior Construction

10,000-30,000 Baht / Sq.m.

Modern Design


Estimated cost of Interior Construction

8,000-30,000 Baht / Sq.m.

Classic Design


Estimated cost of Interior Construction

20,000-60,000 Baht / Sq.m.

We will provide a free design service when the customer agrees to hire a contractor for 2.5 million baht or more.

Noted: The prices listed above are estimations based on previous performance and experience.
Initially, the actual price may be altered in accordance with the progress of the tasks.

In-depth look at BOQ, what is interior decoration? Why is it important?

" BOQ" is an abbreviation for " Bill of Quantities" translated into Thai as List of materials and expenses It is usually issued by the home designer or construction contractor. Sometimes project owners use a BOQ as a documentation. Average price for construction used in the process of finding contractors before construction begins The correct details within the BOQ are items showing the amount of work and construction material prices All taken from the construction drawings. Both from the architectural style structural engineering drawings and engineering drawings for various systems. BOQ is often separated into detailed work categories such as space preparation work, structural work (foundation, beams, columns, floors, and roof frames), built-in furniture work, ceiling work, wall work, floor work, painting work, electrical system work, and plumbing work. and sanitation, etc., which must be enumerated into various items in each category along with specifying the type, size, price of the material, quantity or area used. Including labor costs for each item in clear detail

Importance of BOQ

Picture1 boq

Actually, the use of BOQ in bidding is a universal practice. It is beneficial to both the employer and the contractor. Work according to the details agreed upon in the list that can be used for reference.

In the employer section This will create confidence that the contractor's work will be in accordance with the quality specifications of the materials proposed in the price details. You cannot secretly reduce costs or use materials other than those specified. And there is a clear list of work processes because the BOQ is specified one category at a time. clearly stated If the contractor does not perform the agreed upon amount of work according to the said BOQ, it can be deducted as reduced work. But looking back, if there is no item in the BOQ, it will be additional work that the employer must pay to the contractor as well. But it should be based on agreement with both sides in order to be fair to both sides.

As for the contractor or contractor BOQ will help set the framework for controlling the price of work so that it does not exceed the limits. Visualize the amount of work that needs to be done. Helps to calculate the price without errors and causing losses. Because sometimes when the contractor does not calculate the price like this but only estimates the total price. There will be mistakes that lead to losses and the possibility of abandonment of work. It is considered a vicious circle that often occurs in this industry.

From the picture is an example of making a BOQ by measuring size and area, commonly used in meters and square meters mainly because they are standard units used for buying and selling construction materials, such as wall area. Measure width, length, and height as 0.1 meter, 4.33 meters, 2.7 meters, giving a total area of ​​11.7. square meter, price calculation section The cost of materials can be calculated together with the labor required by taking the quantity of materials and labor x price per unit = total price required. It can be seen that the job details are carefully separated according to each section. Make it possible for the employer and contractor to agree with each other with confirmed documents. See the amount of work and materials used. Knowing the details of the materials allows the employer to check the quality and quantity of various materials during construction by looking at the details in the BOQ to see if they actually match the agreed upon materials or not. The BOQ can also be used as a reference document for inspecting work before the completed work is delivered.

Sorting BOQ types and categorizing work

For the interior decoration It is the most intricate part of building a house or building. There are often details of various materials and equipment. a great number As a result, combining all details in a single BOQ may cause errors. Therefore, according to the standards for presenting a good BOQ, it should be presented according to different types of construction work. By dividing it into clear categories. and should be in order of working first It depends on what the project owner wants to do, for example:

  • Wall work involves building walls, plastering walls, and installing wallpaper and laminate.
  • Ceiling work is the installation of the ceiling.
  • Electrical lighting work It's all electrical work. Including installation of various light bulbs.
  • Built-in furniture installation work is the work of assembling cabinets, tables, beds, etc.
  • Sanitary work is the installation of various equipment. related to water use Bathroom accessories
  • Paint work is exterior and interior painting work.

For 168 TOBE Design Company, we will provide a quote based on the 3D perspective work we have designed for the client and will refer to the design work. To make it easy for readers to imagine We have sample details as follows:

Example of walk-in closet
kitchen example
living room example
bedroom example

Compare bids

Contractor A offers a price for all ceiling work of 120,000 baht.

Contractor B offers a ceiling price of 20 square meters with paint at 90 baht per square meter, total price of 110,000 baht.

Contractor 168 TOBE Design offers the price in BOQ, enumerated in sections as shown in the picture.


It will be noticed that

Contractor A offers a rough and vague bid. I don't know the details of the work, what materials are used, what are the work steps. There is no clear distribution. Bidding like this There will be debates about the quality of work and materials that can be used in the future.

Contractor B offers the lowest price and expects to get the job. But the price was offered without standards. I don't know how to work so that the work comes out well and what the steps must be like. There is a high risk of missing bids. Including being vague about the brand of material chosen. and grade of the material cause problems later

For 168 TOBE DESIGN, we will provide the clearest and most accurate quote possible. When bidding, it may appear that our price is more expensive than A and B, but our price is based on the correct basis and has good quality work. Clients will receive work that is definite, transparent, and straightforward.

It can be seen that Contractors A and B are groups that damage the image of the construction industry. This causes job abandonment, poor work quality, and a lot of damage problems that often come from these groups. By the reader, as the employer, if they have sufficient knowledge, they will understand the work well. and can decide to choose professional contractors to work for you Don't risk deciding based on the word "cheaper".

It can be seen that making a BOQ is more important than making a general quotation. There are advantages in many dimensions covered. which is suitable for bidding on interior decoration work very well

168 TOBE DESIGN We are more than just an interior design company. In addition to design and decoration work delivered to customers. We also provide knowledge and transparency about our work including the construction details process to our customers. We use engineering standards in every job so that you know the correct steps to take. We give importance to feelings customer confidence To experience good standards in work leading to the delivery of good quality work Passing on the happiness of true living

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