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2025

Preliminary design beach house Spain

Preliminary design & concept

"Little space, two families, right on the beach: an architectural puzzle that requires a concept."
Interior view of the living and dining area in the preliminary design beach house Spain: Central lounge with open floor plan, focus on quality of stay and connection to the outside space

PHASE

Preliminary design & concept

SERVICE

Architektur

DURATION

12 weeks

READING TIME

5-minute read

The concern

Is the available space actually sufficient for two families plus optional rental income?

What we did

Develop a holistic concept for space, usage, and furniture, and work with dual functions.

What was the goal?

A holiday home that works convincingly for two families and as a rental property.

What was the initial situation?

The existing house, located directly on the beach, offered a unique location but limited space. The owners wanted to share it with another family and optionally rent it out, which required a spatial and usage concept that went far beyond a classic floor plan.

They gave us a house into which two families will move.

Private owner, Spain

What have we accomplished?

I developed a concept with dual-purpose rooms, optimised sleeping capacities, and an outdoor space that can be used as a fully-fledged living area. The floor plan was reorganized to allow for multiple sleeping arrangements without creating the impression of makeshift beds, and to ensure the privacy of both families in every configuration.

What was the result?

The preliminary design allows two families to use the property simultaneously and offers an optional rental, providing a compelling living experience that befits its beachfront location.

Holiday home with multiple uses in existing buildings?

A well-thought-out preliminary design determines whether a concept really works in everyday life.

eigenheimwissen.ch, the companion knowledge platform by raumwert plus

Free, no-obligation initial consultation (approx. 30 min). Discreet initial assessment of your project situation.

Simon Käslin, SIA-certified architect and owner's construction advisor in Uster
This is how the collaboration went
01

Get to know

Discuss the needs of both families and the rental request.

02

Spatial analysis

Incorporate existing spaces, local building regulations and outdoor space.

03

Concept development

Develop dual functions, sleeping capacity and privacy.

04

Preliminary design

Develop floor plans, sections, and furniture concepts for implementation.

05

Diploma

Complete preliminary design handed over, local architect briefed.

Plain text from the project
In a small space, the concept is what matters, not the floor plan.
What was the added value for the customer?

Efficient land use

Maximum benefit in a limited space.

Dual use possible

Owner-occupancy and rental within the same concept.

High quality of stay

The indoor and outdoor areas are actively connected.

Reliable basis for implementation

Preliminary design as a basis for the local architect.

Holiday home with multiple uses in existing buildings?

A well-thought-out preliminary design determines whether a concept really works in everyday life.

eigenheimwissen.ch, the companion knowledge platform by raumwert plus

Free, no-obligation initial consultation (approx. 30 min). Discreet initial assessment of your project situation.

Simon Käslin, SIA-certified architect and owner's construction advisor in Uster
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