The Journal

Insights & expertise.

Pricing, methods, pitfalls to avoid: what ten years of high-end projects have taught us — shared candidly.

August 21, 2026

Which permits does a renovation in Paris need?

Prior declaration or planning permit, heritage architect, co-ownership consent, change of use: the formalities to plan for and their real timelines.

August 9, 2026

Renovating offices in Paris: the design & build guide

The six stages of an office project, working back from a lease deadline, budgets per m², occupied-site works and public-access compliance.

July 27, 2026 · Case study

Le Vénitien: 240 m² designed as a family cocoon

7 months on site, 9 coordinated trades: how an intention — “somewhere we feel good” — becomes a works programme, phase by phase.

July 11, 2026

How long does renovating an apartment in Paris take?

From design to handover: the real timeline of a renovation, phase by phase, by surface — and our actual on-site completion times.

July 4, 2026 · Case study

Le Trocadéro: from law firm to a 227 m² apartment

10 months, 16 trades, a complete change of use: inside our most ambitious project, from office floor to luxury residence.

July 2, 2026

How much does renovating a Haussmann apartment in Paris cost?

Real price ranges per m², the line items that drive the budget, what makes Haussmann buildings special, and how to protect your budget.

July 2, 2026

General contractor or architect + trades: which setup to choose?

Single point of contact or separate coordination? Both models compared — responsibilities, budget, timelines — so you can decide with clarity.

July 2, 2026

Renovating to rent: the high-end furnished market in Paris

What level of finish to aim for, what budget to plan, which mistakes to avoid — the trade-off that maximises rent per euro invested.

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