Proper Job / Japan
Japan renovation cost calculator
Get a rough cost in yen before you ask builders for quotes. Proper Job calculates free Guide Prices for supported renovation work in Japan, including kitchens, flooring, tatami replacement and akiya renovation.
日本のリフォーム費用を円で概算。キッチン交換、床の張り替え、畳の交換など、対応する工事の目安をChatGPTで確認できます。
No sign-in is needed to calculate. Sign in to save. Choose Japan as the country of work. Can’t open ChatGPT?
Published by SR3H LTD. Verified ChatGPT listing
Try your project
“I’m renovating a Tokyo flat with a new kitchen, flooring and six replacement tatami mats. Use Proper Job to work out a rough cost in yen.”
「東京のマンションでキッチン交換、床の張り替え、畳6枚の交換を予定しています。Proper Jobで費用の目安を円で計算してください。」
Japanese costs, not converted UK prices
The project country selects Japanese pricing and JPY. You can supply areas in square metres, square feet, tatami or tsubo without switching the pricing country. For tatami replacement, give the number of physical mats separately from the room’s area.
Choose Budget, Standard, Premium or Luxury and refine the scope. Supported work varies: apartment estimates cover the private interior; common structure, building-wide seismic work and building permissions need separate checks.
Plans and scope
ChatGPT can read readable plans and pass dimensions and scope to the calculator. Proper Job does not receive the drawing files or charge a separate drawing-extraction fee for this workflow. The paid UK Detailed Estimate is a different service and is not required for these Japan Guide Prices. ChatGPT account and attachment limits apply.
These are budget ranges, not contractor quotes. Check the stated scope, tax basis, allowances and exclusions. Unknown or unsupported work needs a separate price.
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