FAQs Archive - Herold Design

Q: What is a mood board and what is its purpose before the construction site ?

Creating mood boards is a key step for our interior architects in defining the overall decorative style of your project. Using actual material samples or selections from catalogues makes it easier for you to truly appreciate the colors, textures, and finishes. These mood boards are an indispensable tool, as they allow us to confirm the aesthetic coherence of your project.

Q: Regarding the design study for my project, what are your fees based on the surface area ?

0 to20 m² : 800 € HT ( not including the three-dimensional perspectives: + 400 € HT ) 20 to40 m² : 900€ HT ( not including the three-dimensional perspectives: + 500 € HT ) 40 to60 m² : 1000 € HT ( not including the three-dimensional perspectives: + 600 € HT ) 60 to80 m² : 1200 € HT ( not including the three-dimensional perspectives: + 700 € HT ) 80 to100 m² : 1400 € HT ( not including the three-dimensional perspectives: + 800 € HT ) 100 to130 m² : 1600 € HT ( not including the three-dimensional perspectives: + 900 € HT ) 130 to160 m² : 1800 € HT ( not including the three-dimensional perspectives: + 1000 € HT ) 160 to200 m² : 2000 € HT ( not including the three-dimensional perspectives: + 1200 € HT ) 200 to260 m² : 2600 € HT ( not including the three-dimensional perspectives: + 1400 € HT ) 260 to350 m² : 3000 € HT ( not including the three-dimensional perspectives: + 1600 € HT ) Increase of 20% all duplex apartments. Increase of 20% all individual houses. Increase of 20% for any additional service room separate from the apartment. (Paris proper rates ; supplement for travel expenses outside Paris) Flat rates for existing plan + projected plans : 560 € HT (surface area of less than 100 m2)

What guaranties do you provide after project completion ?

As your general contractor (Global Constructor – SMABTP), you benefit [...]

By Lionel Barde|2026-10-14T17:36:38+02:00October 13th, 2026|0 Comments

How does the selection of materials, fixtures and fittings take place during the works ?

Throughout the project, we provide personal assistance in selecting every [...]

By Lionel Barde|2026-10-14T13:29:32+02:00October 13th, 2026|0 Comments

What is a mood board and what is its purpose before the construction site ?

Creating mood boards is a key step for our interior [...]

By Lionel Barde|2026-10-14T13:24:42+02:00October 13th, 2026|0 Comments

How do i appoint your agency to obtain a detailed quotation ?

A detailed quote is obtained by signing a service agreement [...]

By Lionel Barde|2026-10-14T13:28:12+02:00October 13th, 2026|0 Comments

Regarding the design study for my project, what are your fees based on the surface area ?

0 to20 m² : 800 € HT ( not including [...]

By Lionel Barde|2026-10-14T13:31:23+02:00October 13th, 2026|0 Comments