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Appreciation towards 7 Design (Contact: 332720514@qq.com ) for providing the following description:

说在前面
Introduction

在北京西山脚下一个老旧小区的一楼，一套95㎡的两居室正静静等待着新生。即将迎来新生命的屋主，需要为父母和孩子打造一个温馨的居所。然而，这个南北通透的户型却暗藏bug：一楼、面宽窄、13.5米的超长进深让这个“一线天”两居变得昏暗窄长。如何在处处承重结构的前提下，改出三间卧室？还要保证采光、通透感和三代人的独立空间？

On the ground floor of an old residential community at the foot of Beijing’s Western Hills, a 95㎡ two-bedroom apartment quietly awaited renewal. The homeowners, expecting a new child, needed to create a warm home for their parents and their baby.However, this north-south oriented layout had inherent flaws: its ground-floor location, narrow face width, and an ultra-long depth of 13.5 meters made this “One-Line Sky” two-bedroom feel dark, narrow, and elongated. The challenge was to create three bedrooms while working within the constraints of pervasive load-bearing walls, all while ensuring good natural light, a sense of openness, and independent spaces for three generations.

▼儿童房盒子渲染图，Children’s Room Box Rendering Section ©七巧天工设计

设计师在客厅植入一个儿童房盒子，为了减少新增空间对公区的挤压，盒子调整45度斜角，旋转放入，创造性地打造出双喇叭口视角，让这个窄长户型实现了惊人的视觉放大术，交出了一份惊喜的答案。

The designers inserted a box-like structure for the children’s room into the living room. To minimize its encroachment on the public area, the box was rotated to a 45-degree angle.. This creative placement formed dual flared openings, achieving a remarkable visual expansion effect in this narrow layout and providing a surprising solution.

▼落地实景图，Completed Photo ©方立明

设计解析
Design Analysis Section

在北京，很多老小区为了提升室内保温效率，户型呈现典型的“窄长条”空间，这个房子就是其中之一：南侧餐厨面宽2.4米，北侧客厅面宽3.6米，进深长达13.5米，加上位于一楼，采光本就受限，更显昏暗。业主三世同堂，需求却非常明确，想要增加一间儿童房，一个衣帽间，但是要保证全屋通透，常规做法只能在客厅硬隔出一间房，越隔越暗、越隔越堵。当主案设计在图纸上轻轻旋转那个代表儿童房的小方块45度时，整个空间的命运就此改变。

▼体块分析，Massing analysis ©七巧天工设计

In Beijing, many old residential communities feature typical “narrow strip” layouts to improve indoor thermal efficiency, and this apartment is one of them. The south-facing kitchen/dining area has a face width of only 2.4 meters, while the north-facing living room is 3.6 meters wide, with a depth stretching 13.5 meters. Compounded by its ground-floor position—where natural light is limited—the space felt dark and confined. The clients, a multi-generational family, had very clear requirements: they wanted to add a children’s bedroom and a walk-in closet, but insisted on maintaining a sense of openness and airflow throughout the entire apartment. Conventional solutions would involve rigidly partitioning a room out of the living room, inevitably making it darker and more cramped—the more you partition, the darker and more obstructed it becomes. The fate of the entire space changed when the lead designer rotated the small square representing the children’s room by 45 degrees on the blueprint.

▼45度倾斜的体块， a 45 degree sloped volume ©方立明

这个看似简单的动作，实则是经过精密的空间尺度推演后的决策，房间内最宽处2.46米，能放下儿童树屋+休息角，内部过道也有足足90公分以上。

▼体块分析，Massing analysis ©七巧天工设计

This seemingly simple adjustment was actually a decision based on precise spatial calculations. The widest point inside the room is 2.46 meters, sufficient for a children’s treehouse bunk and a reading nook, with internal aisles over 90 centimeters wide.

▼植入上层玻璃砖，Upper glass block insertion ©方立明

客厅：斜角儿童房，空间放大术
Living Room: The Angled Children’s Room, A Spatial Illusion

斜插入客厅的儿童房，像将南向的阳光折射到客厅深处。盒子的外立面墙体由两种材质砌成。玻璃砖砌筑的上半部分，则让光线得以继续它的旅程。下半部分是南向迎光面的小蓝砖，像一汪清澈的湖水，散射光线，提升空间的明亮度，整面墙波光粼粼。

The children’s room, inserted diagonally into the living room, acts to refract southern sunlight deeper into the living space.The exterior wall of the box is constructed with two materials. The upper part, built with glass bricks, allows light to continue its journey. The lower part uses small blue bricks on the south-facing, light-receiving surface, resembling clear water that scatters light, enhancing the brightness and creating a shimmering effect on the entire wall.

▼盒子儿童房入口，Children’s Room Box Entrance ©方立明

▼上半部分的玻璃砖引入采光，The glass blocks in the upper section introduce natural light ©方立明

▼玻璃砖和小蓝砖细节，Glass Brick and Small Blue Brick Details ©方立明

移门边缘和斜切转角也处理成弧，避免阳角产生磕碰。儿童房内部，除了容纳儿童床，角落里预留的三角卡座成为了妈妈以后为孩子讲睡前故事的温馨角落。树屋上下铺也为孩子玩耍，以后的大人陪伴孩子睡觉，二胎做一些未来性的设想。

The edges of the sliding door and the angled corners are curved to avoid sharp angles and potential bumps.Inside the children’s room, besides accommodating a bed, a reserved triangular built-in seat in the corner creates a cozy nook for bedtime stories.The treehouse bunk allows for play, accommodates future adult companionship for sleep, and provides for potential needs like a second child.

▼儿童房内部，Interior of the Children’s room ©方立明

房间两个入口的设计让儿童房流动起来，孩子可以玩捉迷藏，又能给空间内部通风透气。旋转后的墙体自然形成一个喇叭口的视觉效果，原本局促的客厅突然有了纵深感。

The two entrances make the children’s room fluid, allowing for play like hide-and-seek and facilitating internal ventilation. The rotated wall naturally creates a flared opening visual effect, suddenly giving the originally cramped living room a sense of depth.

▼旋转后的墙体自然形成一个喇叭口的视觉效果， The rotated wall naturally creates a flared opening visual effect ©方立明

为了不给走道和空间添堵，沙发对面是超纤薄悬式书架配移动电视，墙面预埋加固钢板，钢板置物的承重能力强却视觉轻盈，3.4米长也不显压抑。整个空间的地面都是浅色莱姆石，增加空间的自然感，小尺寸拼贴方式增强空间延伸感。

To avoid crowding the walkway and space, the opposite wall features an ultra-thin floating bookshelf paired with a movable TV. The wall has pre-embedded reinforced steel plates, providing strong load-bearing capacity for storage while maintaining visual lightness; even at 3.4 meters long, it doesn’t feel oppressive.The flooring throughout the space is light-colored limestone, adding a natural feel, and the small-format tiling enhances the sense of spatial extension.

▼沙发对面是超纤薄悬式书架配移动电视，The opposite wall features an ultra-thin floating bookshelf paired with a movable TV ©方立明

书柜对面也是量身定制的卡座沙发，进一步强化了这种通透感，让每一寸空间都物尽其用。

▼沙发尺寸图，Sofa Dimensions Diagram ©七巧天工设计

Opposite the bookshelf, a custom-built banquette sofa further reinforces this sense of openness, ensuring every inch of space is fully utilized.

▼量身定制的卡座沙发，custom-built banquette sofa ©方立明

为了满足更多座位，沙发框架和阳台地台一体定制，卡着阳台垭口定制成L型座面，比常规沙发省地20%。沙发下面留空用来放收纳筐，玩具随拿随收。阳台抬升做地台，也成了瑜伽、阅读、陪玩三合一区。

To provide more seating, the sofa frame and the balcony platform were custom-built as one unit, fashioned into an L-shaped seating surface fitted precisely to the balcony opening, saving 20% more space than a conventional sofa. The space underneath is left open for storage baskets, allowing for easy toy access and tidy-up. The raised balcony platform serves as a triple-purpose area for yoga, reading, and play.

▼沙发下面留空用来放收纳筐，The space underneath is left open for storage baskets ©方立明

沙发的尺度也不影响儿童房拱门的开合，即便是大人出来也不会拥挤。

The size of the sofa does not impede the opening and closing of the children’s room archway, allowing even adults to pass through comfortably.

▼从儿童房看向客厅，View of the living room from the children’s room ©方立明

餐厨：“窄巷”里的美味空间
Kitchen/Dining: A Delicious Space in a “Narrow Alley”

北侧的餐厨区面临着更大的挑战，2.45米的面宽意味着传统的布局方式在这里完全失效。设计师给出的解决方案，定制一张2米长、65公分宽的窄岛台，集餐桌、备餐台、收纳柜于一身，好用方便。人坐下后，过道的宽度还能过人。

The north-facing kitchen/dining area presented greater challenges. A face width of merely 2.45 meters rendered traditional layout methods completely ineffective.The designers’ solution was a custom 2-meter-long, 65-centimeter-wide narrow island. It integrates a dining table, preparation counter, and storage cabinet, making it highly functional and convenient. The remaining aisle width is still sufficient for passage even when someone is seated.

▼餐厨空间，Kitchen and dining hall ©方立明

岛台的一侧紧挨着改造后的玻璃门厨房，炒好的菜转身就能上桌。厨房用的这种隔断式金属复古门，是水波纹，关上是透光的，让北边“暗厅”焕发生机。厨房是好用的U型布局，电器都集中在左侧，中间洗菜区，右边烹饪区，洗衣区也放进了客厅，上下水方便，顺势解放卫生间面积。

▼厨房中岛尺寸图，Kitchen Island Dimension Diagram ©七巧天工设计

One side of the island is adjacent to the renovated kitchen with glass doors, allowing cooked dishes to be served immediately.The kitchen uses a partitioned-style metal retro door with a water-wave pattern; when closed, it still transmits light, revitalizing the dark northern living area. The kitchen has an efficient U-shaped layout. Appliances are concentrated on the left, the sink area is in the middle, and the cooking zone is on the right. The laundry area was relocated to the living room where water supply and drainage were convenient, consequently freeing up space in the bathroom.

▼厨房空间，Kitchen ©方立明

卫生间：5㎡实现内外分区、三分离进化
Bathroom: 5㎡ Evolution into Zoned and Three-Part Separation

卫生间是全屋最暗处，拆除了原先封闭式“混卫”，走廊做了朝上照明的线灯。

The bathroom was the darkest area in the home. The original enclosed “combined wet/dry bathroom” was demolished. Linear upward-facing lights were installed in the corridor.

▼浴室入口，Bathroom entrance ©方立明

▼局部红色点亮蓝色基调，Local red accents brighten the blue color scheme ©方立明

浴室分成了内外区，重组为高效的四角动线。外区左侧是洗漱台，悬浮洗手台，不留卫生间死角，局部红色点亮蓝色基调，右侧是隔断柜，造型犹如屏风，柜子朝淋浴房打开，方便存放浴巾、护肤品、补货用品。内侧分两区，左边马桶间，右边淋浴房，内部都是清爽的蓝色基调。

The bathroom was divided into internal and external zones, reorganized into an efficient four-corner circulation path.The external zone features a floating vanity on the left to avoid hard-to-clean corners; local red accents brighten the blue color scheme. On the right is a partition cabinet, shaped like a screen, which opens towards the shower room for convenient storage of towels, toiletries, and supplies. The internal area is split into two zones: a toilet room on the left and a shower room on the right, both maintaining the fresh blue color scheme.

▼局部红色点亮蓝色基调，Local red accents brighten the blue color scheme ©方立明

老人房：适老安逸
Elderly’s Room: Age-Friendly and Serene

北向卧室是老人房，靠窗加厚床头做半墙，作为老人起夜的扶手，上面加了一层红色金属支架，兼具床头置物功能，旁边整墙衣柜满足收纳，布局简洁安静。

The north-facing bedroom is for the elderly. The area by the window was thickened to create a half-wall headboard, serving as support for getting up at night. A red metal bracket was added on top, doubling as a bedside shelf. A full-wall wardrobe provides ample storage. The layout is simple and quiet.

▼适老安逸的老人房，Age-friendly and serene ©方立明

主卧：腾出面积，开拓衣帽间
Master Bedroom: Freeing Up Area to Create a Walk-in Closet

主卧门口隔出了一个独立衣帽间，超窄房遵循一个杂物能放外面，绝不进卧室。主卧床尾也做了金属架衣柜，堪比第二间步入式衣帽间，里面隐藏办公区，帘子一拉，保持空间干净松弛。

An independent walk-in closet was partitioned off at the entrance to the master bedroom, adhering to the principle of keeping clutter outside the sleeping area whenever possible.A metal frame wardrobe was also placed at the foot of the master bed, comparable to a second walk-in closet. It conceals a workspace; drawing the curtain keeps the space clean and relaxed.

▼主卧门口隔出独立衣帽间，An independent walk-in closet was partitioned off at the entrance to the master bedroom ©方立明

写在后面
Afterword

这套95㎡的两居改三居，没有砸墙扩面，没有牺牲采光，更没有拥挤压抑。有的，是斜角儿童房带来的灵动视角，是玻璃砖墙引光的温柔，是定制家具对尺寸的极致尊重，是每一寸空间都被真正“用”起来的巧思。在这个房子里，每个成员都能找到属于自己的角落，又能相聚在明亮的公共区域。三代同堂不是将就，而是用设计让每个世代都能舒适地生活在一起。

This transformation of a 95㎡ two-bedroom into a three-bedroom home did not involve knocking down walls to expand the footprint, nor did it sacrifice lighting or become crowded and oppressive. Instead, it features the dynamic perspectives brought by the angled children’s room, the gentle light introduced through glass brick walls, the utmost respect for dimensions through custom furniture, and the cleverness of truly “using” every inch of space. In this home, every member can find their own corner while still being able to gather in the bright common areas. Multi-generational living isn’t about compromise; it’s about using design to allow every generation to live together comfortably.

▼空间轴测图，space axonometric ©七巧天工设计

▼家具尺寸图，Furniture Dimensions Drawing ©七巧天工设计

项目名称：在“一线天”户型里三世同堂
项目类型：室内设计
设计方：七巧天工设计
主案设计：郑昊鸿
设计：团队李晓玉
联系邮箱：2456342943@qq.com
项目设计：2025.1
完成年份：2025.6
项目地址：北京石景山
建筑面积：95㎡
摄影版权：方立明
施工方：一尺一界
材料：玻璃砖、莱姆石、手工砖

Project Name: Multi-Generational Living in a Narrow layout
Project Type: Interior Design
Design Firm:7 Design
Leader designer： Haohong
Team：Koral Li
Contact Email: 2456342943@qq.com
Design Period:January 2025
Completion Year: June 2025
Project Address: Shijingshan, Beijing
Floor Area: 95㎡
Photography Credits: Liming Fang
Partners：YICHIYIJIE
Materials: Glass Bricks, Limestone, Handmade Tiles

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