BCN 41.3851° N, 2.1734° E   —   VLC 39.4699° N, 0.3763° W

From blueprint to finished build.
Construction company in Barcelona.

Catalonia  —  Valencian Community

Specialist construction company for high-end full renovations in Barcelona and Valencia. +100 completed projects that speak for themselves. Third generation of builders. Contract with deadline guarantee and real-time digital project tracking.

+100 Projects completed
4.8 101 Google reviews
+50 Years of family trade
3rd Generation construction firm
Standard of Execution

Technical rigor,
legal commitment.

Behind Nosolo Design are three generations of builders, with roots in Buenos Aires, and 100+ projects completed across the Mediterranean arc, where technical precision and design sensibility combine to ensure your renovation or new build turns out exactly as you imagined, from start to finish.

01

Contractual Shielding

We work under contract with financial penalties for non-compliance. Our commitment to deadlines is absolute and auditable.

02

24/7 Traceability

Technology applied to tracking. We have a private client portal where you can monitor construction progress minute by minute.

Discover the system →
03

Design Culture

We are young entrepreneurs who speak the same language as the architect. We love detail and participate in the sector's leading global events.

04

Full Guarantee

We provide a technical guarantee for every project executed. Our qualified team covers every critical link in the construction process.

The architect designs,
we materialize.

We execute high-end renovations and new builds, resolving every technical detail between design and final delivery. For demanding private clients, architects and interior designers who accept no compromise: construction precision and design fidelity are non-negotiable.

Construction Rigor / Fidelity to Detail / Expert Execution

Manifest Official

New Build

Technical materialization of singular buildings and single-family residences. We manage every construction phase, from foundation to the most demanding finishes, ensuring total respect for the designer's vision.

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Full Renovations

Transforming real estate assets into contemporary spaces of high architectural value. We elevate project materiality by ensuring absolute fidelity to the conceived interior design.

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Restoration

Experts in heritage conservation and advanced technical solutions for historic buildings. We improve efficiency and structural safety without sacrificing architectural identity or original value.

Rehabilitation
Promotion & Technical Investment

Real estate promotion and
asset viability.

Developer Role

We acquire strategic assets using our own capital for construction revaluation and subsequent positioning in the Barcelona and Valencia markets.

Viability Studies

We analyze project economic profitability for investor clients in Flipping operations or returns through short or long-term rentals.

Areas of Operation

Renovations across
all of Barcelona.

We operate across every neighbourhood of Barcelona, its metropolitan area and Valencia. The same standard of technical excellence on every project, no exceptions.

Sarrià · Sant Gervasi View guide →

High-end full renovations in the most residential and exclusive neighbourhood of Barcelona.

Eixample View guide →

Restoration of modernist flats, penthouses and principal floors in the heart of Barcelona.

Gràcia View guide →

Renovations of character properties, design apartments and commercial spaces in Barcelona's most creative district.

Les Corts · Pedralbes View guide →

New builds and high-end renovations in Barcelona's most affluent residential zones.

Poblenou · 22@ View guide →

Conversion of industrial warehouses into lofts and high-design workspaces.

Poble Sec · Sant Antoni View guide →

Full renovations in one of Barcelona's fastest-growing and most dynamic neighbourhoods.

Sant Cugat del Vallès View guide →

Single-family homes and high-efficiency new builds in the first metropolitan belt.

Premià de Mar See guide →

Our office is at Carrer Gibraltar 44. Renovations of flats, terraced houses and shops in the town.

Premià de Dalt See guide →

Houses on slopes, extensions and new builds, a few minutes from the office.

Vilassar de Mar See guide →

Flats and village houses, with a project in design published step by step: plans and new layout.

Maresme View guide →

Premià de Mar, Alella, Mataró, Vilassar, Arenys. High-level renovations along Barcelona's northern coast.

Alella View guide →

Full renovation delivered at Priorat. Houses between vineyard and sea, minutes from the Premià office.

Sitges · Garraf View guide →

Second homes and luxury new builds on the most exclusive stretch of the Mediterranean coast.

Valencia View guide →

Full renovations, new builds and technical rehabilitation in Valencia city and the surrounding metropolitan area.

Comprehensive renovations in Barcelona → Construction for architects →
Request a quote in your area →

Journal · Practical guides

Resources to decide your renovation wisely

Barcelona renovation cost 2026

€/m² ranges and real cost drivers.

Valencia renovation cost

Cost guide for the Valencian Community.

How to choose a contractor

Checklist before you sign.

Book a meeting

Office or Meet with a professional.