General building contractor · Yvelines & Île-de-France

Your project, a single point of contact.

Full renovation, fit-out and all-trades work for apartments, houses and commercial premises.

Request a quote See our projects
  • RGE Qualibat
  • Ten-year warranty
  • Yvelines & Île-de-France
Attic living room with exposed beams, a bespoke bookcase and light parquet
Backlit storage column and kitchen
19 years of experience
since 2007
Living room with herringbone parquet and a Haussmann-style window
Shower room with glass screen and wooden vanity unit
All trades under one roof

Complete expertise for your renovation projects

Since 2007, DecoSev has supported homeowners and businesses with their renovation, fit-out and building projects.

Thanks to a versatile team, we coordinate all the trades to ensure simple follow-up and a well-controlled job from A to Z.

years of experience
19+
areas of work
6
single point of contact
1
Learn more about the company

One partner for all your work

From interior renovation to insulation, including the kitchen, the bathroom or the façade, we support you on every type of project.

Projects designed down to the last detail

Improve the energy performance of your home

DecoSev supports you with your insulation and energy renovation work to improve the comfort of your home and reduce heat loss.

  • External thermal insulation
  • Roof insulation
  • Façade work
  • Improving the building envelope
Talk about my project

RGE Qualibat company

Ten-year warranty

Mineral wool insulation between metal studs

Why choose DecoSev?

Simple support, a versatile team and full follow-up for your renovation and building projects.

  • A single point of contact

    Simpler follow-up of your project, from the first conversation to handover of the job.

  • A versatile team

    Several trades coordinated to limit middlemen and simplify organisation.

  • More than 19 years of experience

    A company established since 2007, with hands-on experience of renovation projects.

  • Support from A to Z

    From site preparation to the finishing touches, we follow every stage closely.

  • RGE Qualibat company
  • Ten-year warranty
Large living area with open kitchen and oak parquet

A people-sized company since 2007

Since 2007, DecoSev has supported its clients with their renovation and building projects in Île-de-France.

Our strength lies in a versatile team, simple coordination between the different trades and a close relationship throughout the job.

Every project is different. We value listening, clear communication and attentive follow-up, from the first visit to the finishing touches.

Every project deserves special attention.

Séverine Bashev DecoSev management
  • Since 2007
  • Yvelines
  • All trades
Discover DecoSev

General building contractor · Yvelines & Île-de-France

Got a project? Let’s talk.

Tell us what you need and let’s discuss your renovation or building project.

Request a quote 06 63 15 27 35

Yvelines · Île-de-France