A Thai Builders Cost Estimate For Constructing Our Thai Retirement House

We actually received the quotation from a Thai builder to build our Thai retirement house in Pakchong shown below in January 2010, but until now I didn’t put it on the website.

I will first of all show you the quotation to build the house as received from the Thai builder in Pakchong and then show you a cleaned-up version I made in Excel speadsheet format.

Basis For The House Build Quotation

The quotation to build the Thai house was based on the drawings that I had made in January 2010 and not on the more accurate drawings made by our Thai Architect. To avoid the need to go to another webs page to refer to the house drawings, I have repeated them below.

Image of a Thai House Plan Second Floor

Our Thai House Plan Second Floor

Image of Pakchong Thai House Front Elevation

My Concept Drawing For Pakchong Thai House Front Elevation

The Actual Quotation For Building The House In Thailand As Received From The Thai Builder In Pakchong, Thailand

The house configuration is in fact identical to that used to obtain the first budget cost that was provided by the Kensington Company on the the Budget Price Of Building A House In Thailand web page.

The cost estimate on that web page was estimated by using unit rates of 15,000 and 20,000 Baht/m2 applied to the floor areas given in the table below:-

The ground floor plan area is about 60 m2
The first floor plan area is about 75 m2
Total area 135 m2

This resulted in a cost estomate of 1,950,000 to 2,600,000 Baht.

Now compare that with the price we received froma Thai builder as detailed on the quotation below of 2.7 million Baht. Perhpas the unit rate method of estimating construction costs is not so inaccurate after all!

Image Of Page One Of A Quotation From A Thai Builder To Construct Our House In Pakchong

Page One Of A Quotation From A Thai Builder To Construct Our House In Pakchong

Image Of Page Two Of A Quotation From A Thai Builder To Construct Our House In Pakchong

Page Two Of A Quotation From A Thai Builder To Construct Our House In Pakchong

The Same Information From The Thai Builder’s House Quotation Typed Into An Excel Spreadsheet

Because the information shown in the quotation to build the house as received from the Thai builder is difficult for you read I have typed it into an Excel spreadsheet and this is shown in the images below. Yes, I know that these are also difficult to read due to the small size of the images, therefore just click on the images to see a full size version as a pdf file.

Image Of Page One Of The Excel Version Of The House Cost Quotation From A Thai Builder

Page One Of The Excel Version Of The House Cost Quotation From A Thai Builder

Image Of Page Two Of The Excel Version Of The House Cost Quotation From A Thai Builder

Page Two Of The Excel Version Of The House Cost Quotation From A Thai Builder

Using Bills Of Quantity (BOQ) To Calculate House Construction Costs

The above cost estimate introduces the subject of using Bills of Quantity (BOQ) in the preparation of quotations or estimates for the cost of constructing a house.

A BOQ is a line-by-line listing of all the materials and components used in the construction of the house, together with columns for quantities and cost information. The spreadsheet shown above illustrates the form of BOQs, but a proper BOQ is far more detailed and runs into many pages.

In my opinion there is no better way to accurately estimate the cost of constructing a house than by having fully detailed BOQ prepared. In fact I have commission the Kensington Company to make a set of BOQs for me based on the final construction drawings that they also produced. There are various views on the pros and cons if issuing BOQs to builders in thailand. There is a good post about that subject on the “New House Plans And Building A House in Thailand” web page.


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2 Responses to “Thai House Budget Cost Estimate 2”

  • John:

    Wow! Alan is this actually what you ended up paying for your property?
    Ive done so much research leading up to appointing architects and builders, the more research I have done the greater my belief that build costs approaching 20,000BHT per sqm in Thailand is a price tag you may associate with a resort standard construction(4 star) but for a domestic house you shouldnt be looking to pay more than 10,000 to 12,000BHT especially in Isaan. I have had so many yarns spun to me about building, the usual one being that 10K to 12K is “low end and full of problems” Believe me if paying nearly double for the assurance of not having problems (and they are after all only verbal assurances!) is the price you pay, Id rather take my chancres at the “low end”!

    [Reply]

  • john:

    hi i have a thai wife and i was looking to build in her home town of buriram near isaan so we have a place to stay when we visit.

    i just want a small two story house. concrete construction with a wrap around deck on 2nd floor, and porch on first floor. all tiled throughout, with a bathroom and kitchen, one bedroom down stairs and one or two bedrooms upstairs. something small but efficient.

    i have a hard time staying at her families house with no kitchen and an outhouse for bathroom and dragging a hose into outhouse to shower.

    i dont want anything big of too fancy just basic tiled home. what should i pay and do you have any contacts in the isaan area to help me get started?

    thanks john

    [Reply]

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