Apartment Renovation Costs and Renovation

Poste date: Monday, May 20, 2024

The cost of renovating an apartment varies depending on the scope of the construction and the details of the renovation such as the equipment. We will, here, explain the approximate cost of apartment renovation for each renovation area.
We will also introduce the estimated construction costs of renovations for the living/dining room, kitchen, and individual rooms showing some examples.

Generally, renovation refers to 'replacement of equipment such as kitchen, bathroom, and toilet', 'house extension' and 'house repair'.  A specific renovation includes replacing wallpaper, wooden floor, and other flooring materials, replacing kitchen, bathroom, and other water-related facilities, repairing leaks, changing the floor plans, and many others.

For more information on how to renovate older apartment, please refer to the article “Points to Determine If Renovation is Necessary” to help you create a renovation plan.

The estimated cost of renovating an apartment is about 5-10 million JPY for a full renovation. If you spend more than 5 million JPY, you may be able to consider an overall renovation that includes the change of the floor plan although it depends on the renovation company and the grade of equipment, etc.

The following list is a guide to the approximate cost and construction time for each renovation area.

Approximate cost of renovations

Places of Renovation Cost price quotation Construction period
Kitchen 900,000~1,500,000JPY 6days~2, 3weeks
Bathroom 1,000,000~1,500,000JPY 3~7days
Toilet 150,000~400,000JPY 3~7days
Washstand space 100,000~400,000JPY 1~4days
Replacement of wallpaper cloth
10tatami mats room / 16.2m2 room
(wall area: approx. 45 m2)
50,000~100,000JPY 2~3days

Replacement of flooring materials
20tatami mats room (floor area: approx. 33 m2)

200,000~500,000JPY 2~6days

Fittings (interior doors and door frames)

100,000~300,000JPY 1~7days

This information is for reference only, as it varies depending on the scope of the renovation, the grade of the product, the renovation contractor, etc.

Apartment Renovation Examples

Renovation cases and images courtesy of MISAWA REFORM Co., Ltd.

Case 1. To convert a Japanese-style room to a living room with wooden flooring, café-like LDK space

This renovation was carried out when purchasing a pre-owned apartment.  The stand-alone kitchen was converted into a face-to-face kitchen, and the existing Japanese-style room was converted into a living room.  Interior windows and vertical lattice fittings let in light. The fittings, floors and furniture are made of softly colored wood, with accents of iron and tile textures.  Although any major changes to the floor plan have not been conducted, the result is bright and spacious living spaces.

リビング 改装

Renovation overview

Construction cost: about 10 million JPY 

Renovation details: Full renovation

Floor plan change (3LDK → 2LDK), kitchen replacement, construction of washstand space, modular bathroom replacement, entrance, wallpaper cloth replacement, flooring replacement, fittings replacement

Exclusively-owned area (Construction area): 70m2 

Reinforced concrete structure (RC/RS) Apartment Age: 25 years old

Floor Plan



Living & Dining Space

Estimated construction cost: 2.2 million JPY

Before

リビング ダイニング 改装

After

The Japanese-style room has been converted into a living room with wooden flooring, extending the LDK spaces. The dining room with a sense of openness is accented with subway tiles.

リビング改装前

リビング改装後

Washstand space

Estimated construction cost: 1 million JPY

Before

洗面所改装前

After

Carpentry work has been made in the washstand space. Mosaic tiles and white bricks give a nostalgic impression.

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Entrance space

Estimated construction cost: 1.2 million JPY

Before

玄関改装前

After

The storage space on the left is covered with a veneer over the existing shelves and finished with paint. By widening the entranceway, a bicycle storage space was also created.

玄関改装後

* The above cost is an approximate estimate when working separately on a single place.

Case 2: To create a house of approx. 70m2 where each family of 4 can concentrate on their own activities.

This is an example of a renovation in the spring of 2020, when the way of life has changed, which is aimed at 'home optimisation'to create a comfortable space where each family members can concentrate on their works and studies at home. To accommodate each family member's teleworks and web classes, various working spaces are created around the house. They can work on the dining room table, the study desk, under the loft bed, and on the balcony table. Backgrounds of the room are also taken into account, with accent cloths and decorative magnet boards, which are built as 'things that may be seen'. The kitchen has been changed from a face-to-face kitchen to a wall-mounted type that emphasizes storage. Other water-related equipment has been replaced to the latest models to reduce the burden of housework. With the storage plan 'to store what you use close to where you use it', the storage area is open type storage.

Renovation overview

Construction cost: about 12 million JPY 

Renovation details: Full renovation

Kitchen replacement, modular bath replacement, toilet replacement, vanity unit replacement, wallpaper cloth replacement, flooring replacement, fittings replacement

Exclusively-owned area (Construction area): 69m2 

Reinforced concrete structure (RC/RS) Apartment Age: 25 years old

Floor Plan

Living & Dining Space

Estimated construction cost: 1.6 million JPY

Before

リビングダイニング 改装前

After

Living room with a clean and natural wood finish

リビングダイニング改装後

A niche was built on the entrance wall and used as a magnetic board wall that can be used as a message board and a charging station for mobile phones and tablets.

Kitchen space

Estimated construction cost: 2.8 million JPY

The kitchen space is unified in white and comes with food storage and garbage can storage area at the end. The back of the space fits dishes and cooking appliances.

キッチン改装後

Children's room

Estimated construction cost: 1.1 million JPY

Before

子供部屋改装例

After

The Japanese-style room was converted to a Western-style room. A printer and cleaning robot stand by in the walk-in closet. The purpose-built storage space was planned for bookshelves, school uniforms, school bags, etc.

子供部屋改装例

Before

子供部屋改装例

After

The spaces under the bed and on the wall were used effectively. The wall on the desk side was made of decorative magnetic board, so that printed materials can be attached with magnets without damaging the wall.

子供部屋改装例

Bed room

Estimated construction cost: 1.3 million JPY

Before

子供部屋改装例

After

In the master bedroom, a part of the area was incorporated into the storage space. The storage apace that was one space has been doubled to a walk-in closet and a closet with folding doors.

子供部屋改装例

*The above cost is an approximate estimate when working separately on a single place.

 

Renovation cases and images courtesy of MISAWA REFORM Co., Ltd.

 

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