Double-height living room with a white stair and gallery rising above the seating

08Architectural Space Planning

The Contemporary Family Home

Design Study

Category: Architectural Space Planning
Project Type: Space planning study
Design Style: Contemporary, adaptable
Design Scope: Space planning study

Project Overview

A family’s needs change far more quickly than its house does. This study focuses less on style and more on the plan itself: how can a home work for young children today, older parents soon, and perhaps grown children with families of their own later on?

Design Details

01A central stair hall brings light into the middle of the home
02A step-free ground floor suits older family members
03Stacked plumbing allows the upper floor to become independent later

The Design Challenge

The study imagines a young family with ageing parents, who are building once and want the house to remain useful for decades.

A ground-floor bedroom suite accessible for older parents
Shared family spaces with visibility of children’s play areas
An upper floor that could one day work as an independent unit
Efficient circulation, with minimal space lost to corridors

Design Concept

A central double-height stair hall acts as the “street” of the house. It brings light into the middle of the plan and connects the floors visually, so the family stays connected. Because it is also the only shared link between levels, the floors can later be separated with little disruption.

Stair hall with timber treads, a slim balustrade and a suspended light fitting

Space Planning Approach

The ground floor keeps parents’ rooms and shared living at the same level, with no steps. The first floor holds the children’s rooms and a family lounge that overlooks the stair hall. Plumbing is stacked to allow a future kitchenette upstairs, and the stair is positioned so that a second entrance could be introduced later on.

A central stair hall connects the floors now, and allows them to be separated later. Schematic diagram, not to scale.

Interior Design Approach

The interior design supports the plan: robust finishes in the shared hall, and built-in furniture that can be reconfigured as children grow. Timber treads and a simple steel balustrade make the stair the main feature of the home.

Exterior Design Approach

A simple composition of a rendered base and a timber-clad upper volume hints at the two-part organisation of the home inside, with a second entrance position already considered in the design of the front elevation.

Material & Finish Direction

Timber treadsMain stair
Painted steelBalustrade
Vitrified stone tileGround floor
Painted plasterWalls
Timber claddingUpper volume

Lighting Approach

A skylight over the stair hall brings daylight to the centre of the plan and to both floors. Stair lighting is built in at low level for safety, with extra attention given to the routes older family members will use at night.

Layout Considerations

Step-free access on the ground floor, with door widths suited to future mobility needs
Stacked plumbing allows a future upstairs kitchenette
Separate electrical distribution can be planned for each floor
Short circulation leaves more of the plan available for use

3D Visualization & Rendering

For this study, simple massing models and floor-by-floor views would matter more than photo-real renders, showing the family how the house could change over time.